DOCSLIB.ORG

Three New South American Mailed Catfishes of the Genera Rineloricaria and Loricariichthys (Pisces, Siluriformes, Loricariide)

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Three New South American Mailed Catfishes of the Genera Rineloricaria and Loricariichthys (Pisces, Siluriformes, Loricariide) Three new South American mailed catfishes of the genera Rineloricaria and Loricariichthys (Pisces,Siluriformes, Loricariide) by I.J.H. Isbrücker & H. Nijssen Institute of Taxonomic Zoology, University of Amsterdam, The Netherlands Abstract MACN Museo Argentino de Ciencias Naturales "Ber- nardino Rivadavia", Buenos Aires. Three new species belonging to two different genera of South MCZ Museum of Comparative Zoology, Cambridge, American mailed catfishes of the subfamily Loricariinae are Mass. described and figured. A discussion of and comparative notes MNHN Museum National d'Histoire Naturelle, Paris. on related species are added. MZUSP Museu de da Universidade de Sao Rineloricaria described from the Río Zoologia formosa n. sp. is Paulo, Sao Paulo. Inírida/Río Orinoco drainage in Colombia, from the Río NIU Northern Illinois University, DeKalb, 111. (spec- Atabapo (Río Orinoco drainage) in Venezuela, and from the imens in FMNH). Rio Tiquié and Rio Uaupés (Rio Amazonas drainage) in NMW Naturhistorisches Museum, Vienna. Brazil. It is compared with Rineloricaria morrowi Fowler, NRS Naturhistoriska Riksmuseet, Stockholm. 1940, with Rineloricaria melini (Schindler, 1959), and with RMNH Rijksmuseum van Natuurlijke Historie, Leiden. Rineloricaria fallax (Steindachner, 1915). The lectotype of USNM National Museum of Natural the History, formerly the latter species is herein designated, and a discussion on United States National Museum, Washington misidentification of R. fallax with Loricariichthys brunneus D.C. (Hancock, 1828) is added. ZFMK Zoologisches Forschungsinstitut und Museum Rineloricaria hasemani is based three n. sp. on specimens, "Alexander Bonn. of of Rineloricaria from Koenig", two which are paralectotypes fallax ZMA Instituut voor Taxonomische Zoologie (Zoolo- Maguarý. The specimens were collected from streams around gisch Museum), Amsterdam. Belém, Est. Pará, Brazil. This new species seems more closely ZMB Museum fur Naturkunde der Humboldt-Uni- related to Rineloricaria stewarti (C. H. Eigenmann, 1909) versitat, Berlin. than to R. fallax. ZSM des based several Zoologische Sammlung Bayerischen Staates, Loricariichthys platymetopon n. sp. is upon Munich. specimens found in the Río Paraná/Río Paraguay system and hi head length. in the Rio and collected from Uruguay, upon one specimen si standard length. near the Rio Solimões. This species has hitherto erroneously been recorded as Loricaria maculata by Valenciennes (1840, 1847) and by Boulenger (1896), as Loricariichthys maculatus INTRODUCTION AND ACKNOWLEDGE- Lori- by Lüling (1975), and as Loricaria typus (in subgenus MENTS cariichthys) by Regan (1904) and by A. de Miranda Ribeiro It that records of these nominal (1918). seems likely previous forms The present publication part of a series of species (particularly from the Paraná/Paraguay basin) actually studies of taxa within confirmed the the subfamily Lori- concern, at least in part, L. platymetopon. This is for two specimens from the Rio Uruguay. L. platymetopon cariinae. The methods to the employed prepare is compared with Loricariichthys maculatus (Bloch, 1794) — descriptions are the same as in our 1978 publica- of which Parahemiodon typus Bleeker, 1862, provisionally is tion, for the term "odontode", which sub- considered a junior synonym — and with Loricariichthys except of ucayalensis Regan, 1913, the lectotype which is herein stitutes the term "dermal denticle" as previously designated from the two syntypes. used (see 0rvig, 1977). ABBREVIATIONS USED Several colleagues have been helpful in sending specimens ANSP Academy of Natural Sciences of Philadelphia, in their care on loan, as an exchange, or as a gift. We would like Philadelphia, Pa. to express our great appreciation for this cooperation to British Museum London. the Mrs. BMNH (Natural History), following persons: J. Abel (MNHN), Mr. E. CM Carnegie Museum (specimens in FMNH). Ahlander (NRS), Mrs. Dr. M. L. Bauchot (MNHN), Dr. M. FMNH Field Museum of Natural History, Chicago, 111. Boeseman (RMNH), Dr. J. E. Bohlke (ANSP), Dr. H. A. Bel- Britski IRScNB Institut Royal des Sciences Naturelles de (MZUSP), Dr. H. P. Castello (MACN), Mrs. Ph. gique, Brussels. Choanier (MNHN), Dr. W. L. Fink (MCZ), Dr. E. J. 13 Downloaded from Brill.com10/06/2021 08:46:48PM via free access 192 I. J. H. ISBRUCKER & H. NIJSSEN - NEW MAILED CATFISHES Fittkau (ZSM), Mr. G. S. Glodek (FMNH), Dr. J. P. Gosse nando de Atabapo, 04°03'N 67°45'W, along Colombian/ (IRScNB), Mrs. T. A. Greenfield (NIU/FMNH), Dr. P. H. Venezuelan border, coll. H. J. Kopke & M. Jeschke, 5-II-1973. R. Greenwood (BMNH), Mr. G. J. Howes (BMNH), Dr. K. IRScNB 608 (five), ZMA 115.196 (one), si 70.3 to 140 mm, Johnson (FMNH), Mrs. S. Karnella (USNM), Mrs. Dr. C. Brazil, Est. Amazonas, Rio Amazonas drainage, Igarape Karrer (ZMB), Dr. P. Kahsbauer (NMW), Dr. E. A. Lach- Acaraposo, tributary at the right bank of Rio Tiquie, coll. J. P. ner (USNM), Dr. K. H. Liiling (ZFMK), Mr. F. Schari Gosse, 7-XII-1967; IRScNB 609 (twelve), ZMA 115.197 Terofal and Mr. si to (ZSM), Dr. F. (ZSM), Mr. E. Walschaerts (one), 54.7 74.3 mm, Brazil, Est. Amazonas, Rio L. Walschaerts (IRScNB), and Dr. P. J. P. Whitehead Amazonas drainage, tributary at the right bank of Rio Uaupes about (BMNH). at Trovao, 20 km upstream from its mouth, coll. J. P. Mr. L. A. van der Laan (ZMA) made the photographic Gosse, 9-XII-1967. illustrations and Mr. J. Zaagman (ZMA) made the drawings for the present publication. Description. — We are much obliged to Mr. G. J. Howes (BMNH) who commented the of this kindly upon typescript paper. Morphometric and meristic data of the Colombian specimens are presented in tables la and Illa-e, and FIN RAY COUNTS are not repeated here. aberrant Except for a few individuals, all the recorded in this have the usual The paratopes from Venezuela and Brazil were received specimens paper after the of completion the tables, and we may present their fin ray counts for species of Rineloricaria and morphometric and meristic variation here. Data of the which share with of from Loricariichthys, they species specimens Venezuela (ZSM 25281, ZMA 115.182, si and the Pseudohemiodon, 79.6, 113.7, 127.5 are given first, genera Loricaria, Ricola, mm, respectively) followed in parentheses by those of three specimens from Rhadinoloricaria. Planiloricaria. Spatuloricaria, Brazil (IRScNB 608, ZMA 115.196, si 116.8, 136.5, and 140 Pseudoloricaria, Hemiodontichthys, and Reganella: mm, respectively): si 79.6 to 127.5 (116.8 to 140) mm, axial 88 dorsal fin 1,6,i; anal fin 1,4,i; pectoral fin 1,6; length to 139.2 (127.3 of the smallest specimen) mm, total length of the two smaller specimens 109.4 and 143.7 pelvic fin 1,5; and caudal fin 1,10,1. (135.2 and 157.6, of the smallest and of the largest specimen, The of Rineloricaria formosa largest paratype respectively) mm, hi 5.5 to 5.7 (5.4 to 5.6), predorsal length (FMNH 83714, si 151.1 mm) has the caudal fin 3.8 to 3.9 (3.6 to 3.8), postdorsal length 1.5 (1.5 to 1.6), postanal length 1.6 to 1.7 (1.7), dorsal spine length 4.5 to with Three of Rineloricaria 1,9,1 rays. specimens first 4.8 (4.6 to 4.8), dorsal ray 4.5 to 5.0 (4.8 to 5.0), anal were found with fin counts: fallax deviating ray spine length 5.5 to 6.0 (5.6 to 6.0), pectoral spine length of NMW 44868 ("si" 138.5 mm) has 1,8 or 9,1 two larger specimens 5.5 and 5.8 (5.9 to 6.0), pelvic spine length 6.3 to 6.9 (5.7 to 6.0), caudal spine of the two fin has upper caudal rays; ZMA 114.349 (si 104.5 mm) smaller specimens 2.7 and 3.8 (of the smallest and the largest one of the fins with 1,4 last two pelvic rays, rays specimen 6.3 and 9.9, respectively), lower caudal spine of fused to and ZMA 110.662 Dem- the smallest and the 7.7 and 8.0, one; (nontype, largest specimen respectively (of the smallest and the largest specimen 8.1 and 8.0, si has the caudal fin erara River, 109.4 mm) respectively). with 1,9,1 rays. the of Finally, largest paratype Snout length 2.2 (2.1 to 2.2), Lower lip 6.7 to 8.6 (7.2 to Loricariichthys platymetopon in BMNH 1928.1.6: 9.0), thoracic length 1.4 to 1.5 (1.4 to 1.5), abdominal length 1.3 1.4 (1.3 1.4), maximum orbital diameter 4.0 fins to to 1-5 (si 86.1 mm) has one of the pectoral with to 4.2 (4.1), interorbital width 5.6 in the juvenile and 6.0 1,5 rays. to 6.5 in the two larger specimens (5.7 in the two smaller specimens, 6.1 in the largest specimen), cleithral width 1.3 (1.3), supra-cleithral width 1.8 to 1.9 (1.9 to 2.0), head Rineloricariaformosa n. sp. width 1.3 (1.3 to 1.4), head depth 2.9 to 3.0 (2.5 to 2.7), 1-3, 6; tables Ia, (Figs. IIIa-e) body depth at dorsal 2.2 to 2.5 (2.0 to 2.1), body width at dorsal 1.5 to 1.6 (1.4 to 1.5), body width at anal 1.7 to 1.8 Material examined. — (1.6 to 1.7), depth caudal peduncle 16.7 to 18.3 (14.0 to Holotype: FMNH 83713, si 126.8 mm, Colombia, 15.7), width caudal peduncle 6.9 to 8.5 (6.6 to 7.0), rictal lagoon about 1 km upriver from Puerto Inirida, Rio Inirida/ barbel 3.0 to 3.3 (3.1 to 3.5).
Load more

Recommended publications
  • Water Diversion in Brazil Threatens Biodiversit
    See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/332470352 Water diversion in Brazil threatens biodiversity Article in AMBIO A Journal of the Human Environment · April 2019 DOI: 10.1007/s13280-019-01189-8 CITATIONS READS 0 992 12 authors, including: Vanessa Daga Valter Monteiro de Azevedo-Santos Universidade Federal do Paraná 34 PUBLICATIONS 374 CITATIONS 17 PUBLICATIONS 248 CITATIONS SEE PROFILE SEE PROFILE Fernando Pelicice Philip Fearnside Universidade Federal de Tocantins Instituto Nacional de Pesquisas da Amazônia 68 PUBLICATIONS 2,890 CITATIONS 612 PUBLICATIONS 20,906 CITATIONS SEE PROFILE SEE PROFILE Some of the authors of this publication are also working on these related projects: Freshwater microscrustaceans from continental Ecuador and Galápagos Islands: Integrative taxonomy and ecology View project Conservation policy View project All content following this page was uploaded by Philip Fearnside on 11 May 2019. The user has requested enhancement of the downloaded file. The text that follows is a PREPRINT. O texto que segue é um PREPRINT. Please cite as: Favor citar como: Daga, Vanessa S.; Valter M. Azevedo- Santos, Fernando M. Pelicice, Philip M. Fearnside, Gilmar Perbiche-Neves, Lucas R. P. Paschoal, Daniel C. Cavallari, José Erickson, Ana M. C. Ruocco, Igor Oliveira, André A. Padial & Jean R. S. Vitule. 2019. Water diversion in Brazil threatens biodiversity: Potential problems and alternatives. Ambio https://doi.org/10.1007/s13280-019- 01189-8 . (online version published 27 April 2019) ISSN: 0044-7447 (print version) ISSN: 1654-7209 (electronic version) Copyright: Royal Swedish Academy of Sciences & Springer Science+Business Media B.V.
    [Show full text]
  • FAMILY Loricariidae Rafinesque, 1815
    FAMILY Loricariidae Rafinesque, 1815 - suckermouth armored catfishes SUBFAMILY Lithogeninae Gosline, 1947 - suckermoth armored catfishes GENUS Lithogenes Eigenmann, 1909 - suckermouth armored catfishes Species Lithogenes valencia Provenzano et al., 2003 - Valencia suckermouth armored catfish Species Lithogenes villosus Eigenmann, 1909 - Potaro suckermouth armored catfish Species Lithogenes wahari Schaefer & Provenzano, 2008 - Cuao suckermouth armored catfish SUBFAMILY Delturinae Armbruster et al., 2006 - armored catfishes GENUS Delturus Eigenmann & Eigenmann, 1889 - armored catfishes [=Carinotus] Species Delturus angulicauda (Steindachner, 1877) - Mucuri armored catfish Species Delturus brevis Reis & Pereira, in Reis et al., 2006 - Aracuai armored catfish Species Delturus carinotus (La Monte, 1933) - Doce armored catfish Species Delturus parahybae Eigenmann & Eigenmann, 1889 - Parahyba armored catfish GENUS Hemipsilichthys Eigenmann & Eigenmann, 1889 - wide-mouthed catfishes [=Upsilodus, Xenomystus] Species Hemipsilichthys gobio (Lütken, 1874) - Parahyba wide-mouthed catfish [=victori] Species Hemipsilichthys nimius Pereira, 2003 - Pereque-Acu wide-mouthed catfish Species Hemipsilichthys papillatus Pereira et al., 2000 - Paraiba wide-mouthed catfish SUBFAMILY Rhinelepinae Armbruster, 2004 - suckermouth catfishes GENUS Pogonopoma Regan, 1904 - suckermouth armored catfishes, sucker catfishes [=Pogonopomoides] Species Pogonopoma obscurum Quevedo & Reis, 2002 - Canoas sucker catfish Species Pogonopoma parahybae (Steindachner, 1877) - Parahyba
    [Show full text]
  • A Composição E Distribuição Da Ictiofauna De Interesse Ornamental No Estado Do Pará
    Universidade Federal do Pará Núcleo de Ciências Agrárias e Desenvolvimento Rural Empresa Brasileira de Pesquisa Agropecuária - Amazônia Oriental Universidade Federal Rural da Amazônia Programa de Pós-Graduação em Ciência Animal JAIME RIBEIRO CARVALHO JÚNIOR A Composição E Distribuição Da Ictiofauna De Interesse Ornamental No Estado Do Pará Belém 2008 JAIME RIBEIRO CARVALHO JÚNIOR A COMPOSIÇÃO E DISTRIBUIÇÃO DA ICTIOFAUNA DE INTERESSE ORNAMENTAL NO ESTADO DO PARÁ Dissertação apresentada para obtenção do grau de Mestre em Ciência Animal. Programa de Pós- Graduação em Ciência Animal. Núcleo de Ciências Agrárias e Desenvolvimento Rural. Universidade Federal do Pará. Empresa Brasileira de Pesquisa Agropecuária – Amazônia Oriental. Universidade Federal Rural da Amazônia. Área de concentração: Ecologia Aquática e Aqüicultura. Orientadora: Profa. Dra. Luiza Nakayama Belém 2008 JAIME RIBEIRO CARVALHO JÚNIOR A COMPOSIÇÃO E DISTRIBUIÇÃO DA ICTIOFAUNA DE INTERESSE ORNAMENTAL NO ESTADO DO PARÁ Dissertação apresentada para obtenção do grau de Mestre em Ciência Animal. Programa de Pós- Graduação em Ciência Animal. Núcleo de Ciências Agrárias e Desenvolvimento Rural. Universidade Federal do Pará, da Empresa Brasileira de Pesquisa Agropecuária – Amazônia Oriental. Universidade Federal Rural da Amazônia. Área de concentração: Ecologia Aquática e Aqüicultura. Data da aprovação. Belém-PA : ____/____/___ Banca Examinadora: _______________________________ Profa. Dra. Luiza Nakayama Universidade Federal do Pará _______________________________ Prof. Dr. Julio César Pieczarka Universidade Federal do Pará _______________________________ Prof. Dr. Raimundo Aderson Lobão de Souza Universidade Federal Rural da Amazônia Dedico a minha família “CARDUME” (tanto de pernas como de nadadeiras) companheiros amazônicos que me ensinam a cada dia algo diferente, mesmo que seja algo insano...Isso tudo é para vocês.
    [Show full text]
  • (TAXONOMIA E FILOGENIA DAS ESPÉCIES DE Dasyloricaria
    PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO GRANDE DO SUL FACULDADE DE BIOCIÊNCIAS PROGRAMA DE PÓS-GRADUAÇÃO EM ZOOLOGIA TAXONOMIA E FILOGENIA DAS ESPÉCIES DE Dasyloricaria ISBRÜCKER & NIJSSEN, 1979 (SILURIFORMES: LORICARIIDAE) Alejandro Londoño Burbano Orientador: Dr. Roberto Reis DISSERTAÇÃO DE MESTRADO PORTO ALEGRE – RS – BRASIL 2012 PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO GRANDE DO SUL FACULDADE DE BIOCIÊNCIAS PROGRAMA DE PÓS-GRADUAÇÃO EM ZOOLOGIA TAXONOMIA E FILOGENIA DAS ESPÉCIES DE Dasyloricaria ISBRÜCKER & NIJSSEN, 1979 (SILURIFORMES: LORICARIIDAE) Alejandro Londoño Burbano Orientador: Dr. Roberto E. Reis DISSERTAÇÃO DE MESTRADO PORTO ALEGRE – RS – BRASIL 2012 AVISO Esta dissertação é parte dos requisitos necessários para obtenção do título de mestre, área de Zoologia, e como tal, não deve ser vista como uma publicação no senso do Código Internacional de Nomenclatura Zoológica (apesar de disponível publicamente sem restrições). Dessa forma, quaisquer informações inéditas, opiniões e hipóteses, assim como nomes novos, não estão disponíveis na literatura zoológica. Pessoas interessadas devem estar cientes de que referências públicas ao conteúdo desse estudo, na sua presente forma, somente devem ser feitas com aprovação prévia do autor. NOTICE This dissertation is a partial requirement for the MSc. degree in Zoology and, as such, should not be considered as a publication in the sense of the International Code of Zoological Nomenclature (although it is available without restrictions). Therefore, any new information, opinions, and hypotheses,
    [Show full text]
  • Multilocus Molecular Phylogeny of the Suckermouth Armored Catfishes
    Molecular Phylogenetics and Evolution xxx (2014) xxx–xxx Contents lists available at ScienceDirect Molecular Phylogenetics and Evolution journal homepage: www.elsevier.com/locate/ympev Multilocus molecular phylogeny of the suckermouth armored catfishes (Siluriformes: Loricariidae) with a focus on subfamily Hypostominae ⇑ Nathan K. Lujan a,b, , Jonathan W. Armbruster c, Nathan R. Lovejoy d, Hernán López-Fernández a,b a Department of Natural History, Royal Ontario Museum, 100 Queen’s Park, Toronto, Ontario M5S 2C6, Canada b Department of Ecology and Evolutionary Biology, University of Toronto, Toronto, Ontario M5S 3B2, Canada c Department of Biological Sciences, Auburn University, Auburn, AL 36849, USA d Department of Biological Sciences, University of Toronto Scarborough, Toronto, Ontario M1C 1A4, Canada article info abstract Article history: The Neotropical catfish family Loricariidae is the fifth most species-rich vertebrate family on Earth, with Received 4 July 2014 over 800 valid species. The Hypostominae is its most species-rich, geographically widespread, and eco- Revised 15 August 2014 morphologically diverse subfamily. Here, we provide a comprehensive molecular phylogenetic reap- Accepted 20 August 2014 praisal of genus-level relationships in the Hypostominae based on our sequencing and analysis of two Available online xxxx mitochondrial and three nuclear loci (4293 bp total). Our most striking large-scale systematic discovery was that the tribe Hypostomini, which has traditionally been recognized as sister to tribe Ancistrini based Keywords: on morphological data, was nested within Ancistrini. This required recognition of seven additional tribe- Neotropics level clades: the Chaetostoma Clade, the Pseudancistrus Clade, the Lithoxus Clade, the ‘Pseudancistrus’ Guiana Shield Andes Mountains Clade, the Acanthicus Clade, the Hemiancistrus Clade, and the Peckoltia Clade.
    [Show full text]
  • "The "Comb-Toothed" Loricariinae of Surinam, with Reflections on the Phylogenetic Tendencies Within
    THE "COMB-TOOTHED" LORICARIINAE OF SURINAM, WITH REFLECTIONS ON THE PHYLOGENETIC TENDENCIES WITHIN THE FAMILY LORICARIIDAE (SILURIFORMES, SILUROIDEI) by M. BOESEMAN Rijksmuseum van Natuurlijke Historie, Leiden With 5 text-figures, 8 plates, 11 tables and 26 diagrams CONTENTS Introduction 3 The nominal genera and their evaluation 4 The phylogeny of the higher Loricariidae 12 Measurements and methods 18 Collecting localities 19 Miscellaneous remarks 23 The Surinam species 23 Distribution and habitat 23 Key to the Surinam species 25 Descriptions of the Surinam species 25 Acknowledgements 44 Summary 44 Diagrams 44 References 55 INTRODUCTION The present paper is the third in a series intended to present a review of the Surinam representatives of the Loricariid armoured catfishes (Lori- cariidae), of which the previous two dealt with the Surinam species be- longing to the genus Hypostomus Lacépède (Boeseman, 1968, 1969). Like these, the review now presented is mainly based on the extensive material assembled during the period 1963 to 1967 by the zoologists carrying out the Biological Brokopondo Research Project, sponsored by the Netherlands Foundation for the Advancement of Research in Surinam and the Nether- lands Antilles (WOSUNA), the Netherlands Foundation for the Advan- cement of Tropical Research (WOTRO), the Rijksmuseum van Natuur- lijke Historie at Leiden, and the Zoölogisch Museum at Amsterdam. Besides these specimens, now included in the collections of the Museums at Am- sterdam (ZMA) and Leiden (RMNH), additional material was provided by 4 ZOOLOGISCHE VERHANDELINGEN 116 (1971) the British Museum (Natural History) (BM), the Chicago Museum of Natural History (FMNH), and the Museum National d'Histoire Naturelle (MNHN).
    [Show full text]
  • Siluriformes: Loricariidae) from the Western Guiana Shield
    Copeia 2011, No. 2, 216–225 Two New Genera and Species of Ancistrini (Siluriformes: Loricariidae) from the Western Guiana Shield Nathan K. Lujan1,2 and Jonathan W. Armbruster1 Two new ancistrin genera and species are described from main channels and tributaries of the upper Orinoco River in Amazonas, Venezuela. Micracanthicus vandragti is black with white spots and distinguished by its small body-size, large gas-bladder capsules, and highly protrusible mandibles with short tooth cups and five to eight long teeth per tooth cup. The known range of Micracanthicus vandragti is restricted to the lower Ventuari River and portions of the Orinoco River near its rocky, anastomose confluence with the Ventuari River. Soromonichthys stearleyi is green with small yellow-gold spots on the head and thin vertical bars on the body and has long dentary and premaxillary tooth cups with 39–69 teeth per tooth cup. It is distinguished by its coloration and by its unique pattern of plate loss on the snout: plates absent from mesethmoid surface and anteriormost margin of snout. Soromonichthys stearleyi is known only from Soromoni Creek, a northern tributary of the upper Orinoco draining southern slopes of Mount Duida. NGOING ichthyological inventories of the upper process of Weberian complex perforated distally with large Orinoco Basin in Amazonas, Venezuela, by the first foramina (vs. not or only mildly perforated distally); O author and colleagues have yielded many new and branched anal-fin rays five (vs. four); coracoid posterior interesting suckermouth armored catfishes (Loricariidae; process elongated, thin, pointed (vs. distal end about as wide Lujan et al., 2007, 2009; Lujan, 2008).
    [Show full text]
  • Trophic Ecology of Frugivorous Fishes in Floodplain Forests Of
    TROPHIC ECOLOGY OF FRUGIVOROUS FISHES IN FLOODPLAIN FORESTS OF THE COLOMBIAN AMAZON A Dissertation by SANDRA BIBIANA CORREA VALENCIA Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY August 2012 Major Subject: Wildlife and Fisheries Sciences Trophic Ecology of Frugivorous Fishes in Floodplain Forests of the Colombian Amazon Copyright August 2012 Sandra Bibiana Correa Valencia TROPHIC ECOLOGY OF FRUGIVOROUS FISHES IN FLOODPLAIN FORESTS OF THE COLOMBIAN AMAZON A Dissertation by SANDRA BIBIANA CORREA VALENCIA Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY Approved by: Chair of Committee, Kirk Winemiller Committee Members, Spence Behmer Stephen Davis Derbert Gatlin Thomas Olszewski Head of Department, John Carey (Iterim) August 2012 Major Subject: Wildlife and Fisheries Sciences iii ABSTRACT Trophic Ecology of Frugivorous Fishes in Floodplain Forests of the Colombian Amazon. (August 2012) Sandra Bibiana Correa Valencia, B.S., Universidad del Valle; M.S., University of Florida Chair of Advisory Committee: Dr. Kirk Winemiller Diverse fish species consume fruits and seeds in the Neotropics, in particular in the lowland reaches of large rivers, such as the Amazon, Orinoco, and Paraná in South America. Floodplains of the Amazon River and its lowland tributaries are characterized by marked hydrological seasonality and diverse assemblages of frugivorous fishes, including closely related and morphologically similar species of several characiform families. Here, I investigated whether or not these fishes are capable of detecting fluctuations in food availability and if they are, how they adjust their feeding strategies.
    [Show full text]
  • A New Species of Limatulichthys Isbrücker & Nijssen
    Zootaxa 3884 (4): 360–370 ISSN 1175-5326 (print edition) www.mapress.com/zootaxa/ Article ZOOTAXA Copyright © 2014 Magnolia Press ISSN 1175-5334 (online edition) http://dx.doi.org/10.11646/zootaxa.3884.4.5 http://zoobank.org/urn:lsid:zoobank.org:pub:70AC996B-0D18-4F0C-9650-150A58986F2C A new species of Limatulichthys Isbrücker & Nijssen (Loricariidae, Loricariinae) from the western Guiana Shield ALEJANDRO LONDOÑO-BURBANO1,2,3, STÉPHANIE L. LEFEBVRE2,3 & NATHAN K. LUJAN2,3,4 1Pontifícia Universidade Católica do Rio Grande do Sul, Laboratório de Sistemática de Vertebrados, Avenida Ipiranga 6681, P. O. Box 1429, 90619-900 Porto Alegre, RS, Brazil. E-mail: [email protected] 2Department of Natural History, Royal Ontario Museum, 100 Queen’s Park, Toronto, ON, M5S 2C6, Canada. E-mail: stephanie.lefeb- [email protected], [email protected] 3Department of Ecology and Evolutionary Biology, University of Toronto, 25 Willcocks St., Toronto, ON, M5S 3B2, Canada. 4Current address: Center for Systematic Biology and Evolution, Academy of Natural Sciences of Drexel University, 1900 Benjamin Franklin Parkway, Philadelphia, PA 19103, USA. Abstract Limatulichthys nasarcus n. sp. is described as a new species based on 15 specimens from the Ventuari and Caura Rivers in Southern Venezuela. The new species can be distinguished from its only congener, L. griseus, by the presence of ante- rior abdominal plates half the size of those at center of abdomen (vs. plates similar in size); distinct spots less than half of diameter of naris across entire dorsum, including snout and head (vs. indistinct dorsal spots larger or equal than diameter of naris); lateral portions of head and opercle with dark well-defined spots larger than those on dorsum (vs.
    [Show full text]
  • Population Structure and Reproductive Biology of Loricariichthys Melanocheilus Reis & Pereira, 2000 (Siluriformes: Loricariidae) in the Rio Ibicuí, Brazil
    Neotropical Ichthyology, 13(2): 371-382, 2015 Copyright © 2015 Sociedade Brasileira de Ictiologia DOI: 10.1590/1982-0224-20140052 Population structure and reproductive biology of Loricariichthys melanocheilus Reis & Pereira, 2000 (Siluriformes: Loricariidae) in the rio Ibicuí, Brazil Éverton Luís Zardo1 and Everton Rodolfo Behr2 The objective of this study was to analyze population structure (spatial distribution, seasonal distribution and distribution by length classes, sex ratio and length-weight relationship) and aspects of the reproductive biology of Loricariichthys melanocheilus. Fish were sampled bimonthly using gillnets and trammel nets in lentic and lotic environments in the rio Ibicuí, between the years 2000 and 2001. Were collected 410 specimens: 230 females, 164 males and 16 specimens whose sex could not be determined. A greater number of specimens were collected in October/November and December/January and in lentic environments. The greater length classes had a higher amount of females (p < 0.05) and the sex ratio in all sampling periods was 1.38 females per male. Both males and females showed positive allometric growth (b = 3.299 and b =3.487, respectively). The highest values for gonadosomatic index (GSI) and gonadal condition factor (K) were observed from August/September and peaked in October/November, just like the highest frequencies of females at maturity stage C (mature), which is indicative that the breeding season occurs at this time. O objetivo deste trabalho foi analisar a estrutura populacional (distribuição espacial, sazonal e por classes de comprimento, proporção sexual e relação peso-comprimento) e aspectos da biologia reprodutiva de Loricariichthys melanocheilus. Os peixes foram amostrados bimestralmente com redes de espera e feiticeiras em ambientes lêntico e lóticos no rio Ibicuí, entre os anos de 2000 e 2001.
    [Show full text]
  • Siluriformes: Loricariidae) Com a Descrição De
    MUSEU PARAENSE EMÍLIO GOELDI UNIVERSIDADE FEDERAL DO PARÁ PROGRAMA DE PÓS-GRADUAÇÃO EM ZOOLOGIA Sistemática das espécies de cascudos “acari-cachimbo” do gênero Hemiodontichthys Bleeker, 1862 (Siluriformes: Loricariidae) com a descrição de quatro espécies novas MARINA BARREIRA MENDONÇA Belém 2012 MARINA BARREIRA MENDONÇA Sistemática das espécies de cascudos “acari-cachimbo” do gênero Hemiodontichthys Bleeker, 1862 (Siluriformes: Loricariidae) com a descrição de quatro espécies novas Dissertação apresentada ao Programa de Pós- Graduação em Zoologia da Universidade Federal do Pará/Museu Paraense Emílio Goeldi, para a obtenção do título de Mestre. Orientador: Dr. Wolmar Benjamin Wosiacki Belém 2012 Advertência Este dissertação não constitui uma publicação científica. Consequentemente, os novos dados, opiniões e hipóteses aqui apresentadas não estão disponíveis na literatura zoológica. Pede-se, com instância, que qualquer referência ao conteúdo desta tese seja feita mediante consulta ao autor. Notice This dissertation does not constitute a scientific publication. As a consequence, the new data, opinions and hypothesis herein presented are not available in the scientific literature. It is urged that any reference about the contents of the present thesis to be made only after correspondence with the author. MARINA BARREIRA MENDONÇA Sistemática das espécies de cascudos “acari-cachimbo” do gênero Hemiodontichthys Bleeker, 1862 (Siluriformes: Loricariidae) com a descrição de quatro espécies novas ______________________________________________________________________
    [Show full text]
  • Proceedings of the United States National Museum
    PROCEEDINGS OF THE UNITED STATES NATIONAL MUSEUM FOR THE YEAR 1S91. Volume XIV. A CATALOGUE OF THE FRESH-WATER FISHES OF SOUTH AMERICA BY Carl H. Eigenmann and Rosa S. Eigenmann. The present paper is an enumeration of the fishes so far recorded from the streams and lakes of South America, with a few preliminary remarks on the extent, peculiarity, and origin of the fauna an<l the division of the ueotropics into provinces. An attempt has been made to include those marine forms which have been found in the rivers beyond brackish water and to exclude those which probably enter fresh waters, bnt have not actually been found in any streams. Central American species are not enumerated. The aim being to present a synopsis of what has been accomplished rather than a list of the species which in our estimation are valid, all the doubtful species are enumerated and the synonyms of each species are given. All the names given to South American fishes prior to 1890 are therefore to be found here. We have endeavored to adopt and incorporate the results of the latest investigations, chiefly those of Giinther, Gill, Cope, Boulenger, Steindachner, and Eigenmann and Eigenmann. Since works of a re- visionary character on South American fishes are few, and many of the species have been recorded but once, many changes in the present list will doubtless become necessary. We have critically reviewed about half of the species enumerated. (See bibliography.) This catalogue was intended to accompany a Catalogue of the Fresh- water Fishes of North America by Dr.
    [Show full text]