Species Assessments
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Female Social Dominance Does Not Establish Mating Priority in Nile Tilapia
Revista de Etologia 2004, Vol.6, N°1,Social 33-37 dominance and mating in the Nile tilapia Female Social Dominance does not Establish Mating Priority in Nile Tilapia ELIANE GONÇALVES-DE-FREITAS AND ALINE CHIMELLO FERREIRA Universidade Estadual Paulista, São José do Rio Preto Female dominance and size are important features for mating choices in fishes. As dominants are also the largest females in some species, we tested whether dominance per se favours mating priority in Nile tilapia females. Three matched-size adult females (n = 13) were grouped in a 140 l-aquarium during 3 days for hierarchical settlement. On the 4th day a male larger than the females was introduced in the group and kept there for 12 consecutive days until reproduction. Spawning occurred in 8 out of 13 replicates, and the alpha female was the first to mate in only 50% of the cases. Males may thus choose females according to size and not according to rank, as occurs in other cichlid species. As confrontations and the establishment of hierarchical dominance involve high energetic expenditure in Nile tilapias, the reason why females invest in such behaviors is still a question to be elucidated. Index terms: Reproductive behavior. Mate choice. Nile tilapias. Oreochromis niloticus. A dominância social da fêmea não promove prioridade de acasalamento em fêmeas de tilápia-do-Nilo. A dominância e o tamanho da fêmea são características importantes para a escolha do parceiro sexual em peixes. Como as fêmeas dominantes também são as maiores em várias espécies, procuramos verificar se a dominância em si promove a prioridade de acasalamento em fêmeas de tilápia-do-Nilo. -
§4-71-6.5 LIST of CONDITIONALLY APPROVED ANIMALS November
§4-71-6.5 LIST OF CONDITIONALLY APPROVED ANIMALS November 28, 2006 SCIENTIFIC NAME COMMON NAME INVERTEBRATES PHYLUM Annelida CLASS Oligochaeta ORDER Plesiopora FAMILY Tubificidae Tubifex (all species in genus) worm, tubifex PHYLUM Arthropoda CLASS Crustacea ORDER Anostraca FAMILY Artemiidae Artemia (all species in genus) shrimp, brine ORDER Cladocera FAMILY Daphnidae Daphnia (all species in genus) flea, water ORDER Decapoda FAMILY Atelecyclidae Erimacrus isenbeckii crab, horsehair FAMILY Cancridae Cancer antennarius crab, California rock Cancer anthonyi crab, yellowstone Cancer borealis crab, Jonah Cancer magister crab, dungeness Cancer productus crab, rock (red) FAMILY Geryonidae Geryon affinis crab, golden FAMILY Lithodidae Paralithodes camtschatica crab, Alaskan king FAMILY Majidae Chionocetes bairdi crab, snow Chionocetes opilio crab, snow 1 CONDITIONAL ANIMAL LIST §4-71-6.5 SCIENTIFIC NAME COMMON NAME Chionocetes tanneri crab, snow FAMILY Nephropidae Homarus (all species in genus) lobster, true FAMILY Palaemonidae Macrobrachium lar shrimp, freshwater Macrobrachium rosenbergi prawn, giant long-legged FAMILY Palinuridae Jasus (all species in genus) crayfish, saltwater; lobster Panulirus argus lobster, Atlantic spiny Panulirus longipes femoristriga crayfish, saltwater Panulirus pencillatus lobster, spiny FAMILY Portunidae Callinectes sapidus crab, blue Scylla serrata crab, Samoan; serrate, swimming FAMILY Raninidae Ranina ranina crab, spanner; red frog, Hawaiian CLASS Insecta ORDER Coleoptera FAMILY Tenebrionidae Tenebrio molitor mealworm, -
Sex Differences in Visual Perception in Melanochromis Auratus
SEX DIFFERENCES IN VISUAL PERCEPTION IN MELANOCHROMIS AURATUS Margaret Coniam A Thesis Submitted to the Graduate College of Bowling Green State University in partial fulfillment of the requirements for the degree of MASTER OF SCIENCE August 2014 Committee: Moira van Staaden, Advisor Sheryl Coombs Robert Huber ii ABSTRACT Moira van Staaden, Advisor The cichlid fishes of Lake Malawi have undergone explosive speciation in the past 1.5 million years with the production of between 500-1000 species of cichlid 1. Sensory factors such as visual, olfactory and acoustic signals are all believed to play a role in this differentiation process. Vision is by far the most studied and best understood of the sensory modalities, but there is a distinct gap between our understanding of the molecular components of the cichlid visual system and whether, or how exactly, these impact the behavior displayed. Recent research has shown that the type of visual pigment expressed in the retina differs by sex in Melanochromis auratus 11. We aimed to determine whether such differences are reflected in sex- dependent variation in hue sensitivity and hue discrimination in M. auratus. To test this, we used a modified optomotor discrimination task to assess (i) differences in the luminance curves for each sex and (ii) sex differences in the minimum angular distance of adjacent hues required to elicit recognition as two distinct stimuli. Our results indicate significant variation in the minimum brightness required for the perception of hues across the color spectrum, but no sex- specific difference in detection thresholds. Similarly, results for the minimum angular distance required to discriminate between adjacent hues suggest there are areas of the color spectrum to which vision is tuned, but again no difference between the sexes. -
Modifications of the Digestive Tract for Holding Air in Loricariid and Scoloplacid Catfishes
Copeia, 1998(3), pp. 663-675 Modifications of the Digestive Tract for Holding Air in Loricariid and Scoloplacid Catfishes JONATHAN W. ARMBRUSTER Loricariid catfishes have evolved several modifications of the digestive tract that • appear to fWIction as accessory respiratory organs or hydrostatic organs. Adapta tions include an enlarged stomach in Pterygoplichthys, Liposan:us, Glyptoperichthys, Hemiancistrus annectens, Hemiancistrus maracaiboensis, HyposWmus panamensis, and Lithoxus; a U-shaped diverticulum in Rhinelepis, Pseudorinelepis, Pogonopoma, and Po gonopomoides; and a ringlike diverticulum in Otocinclus. Scoloplacids, closely related to loricariids, have enlarged, clear, air-filled stomachs similar to that of Lithoxus. The ability to breathe air in Otocinclus was confirmed; the ability of Lithoxus and Scoloplax to breathe air is inferred from morphology. The diverticula of Pogonopomoides and Pogonopoma are similar to swim bladders and may be used as hydrostatic organs. The various modifications of the stomach probably represent characters that define monophyletic clades. The ovaries of Lithoxus were also examined and were sho~ to have very few (15--17) mature eggs that were large (1.6-2.2 mm) for the small size of the fish (38.6-41.4 mm SL). Los bagres loricariid an desarrollado varias modificaciones del canal digestivo que aparentan fWIcionar como organos accesorios de respiracion 0 organos hidrostati cos. Las adaptaciones incluyen WI estomago agrandado en Pterygoplichthys, Liposar cus, Glyproperichthys, Hemiancistrus annectens, Hemiancistrus maracaiboensis, Hyposto mus panamensis, y Lithoxus; WI diverticulum en forma de U en Rhinelepis, Pseudori nelepis, Pogonopoma, y Pogonopomoides; y WI diverticulum en forma de circulo en Otocinclus. Scoloplacids, de relacion cercana a los loricariids, tienen estomagos cla ros, agrandados, llenos de aire similares a los de Lithoxus. -
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 -
The Pandas Are Coming, the Pandas Are Coming!!! by DRAS Member Derek P.S
WTFish?: The Pandas Are Coming, The Pandas Are Coming!!! by DRAS Member Derek P.S. Tustin ometimes it is interesting living in the Greater Toronto Area, isn’t it? S Recently deemed to be the fourth largest city in North America (leaping past Chicago by 84,000 people) behind Mexico City, New York and Los Angeles, we truly are a world class city. (Interestingly enough, the Greater Toronto Area, that being the recognized metropolitan area of the city and those living in the immediate suburbs, is actually the 51st largest metropolitan area in the world with 6,139,000 people. Tokyo is first with 37,126,000 and Chicago is 28th, with 9,121,000(1). So we still have some catching up to do...) And since I seem to be heading off on tangents today, have you ever considered what makes a city “world class”? According to some, it is a “city generally considered to be an important node in the global economic system.”(2) Given Toronto’s impact on the national economy, and the subsequent influence within the international economic community, it can easily be argued that Toronto is such a city. But there are also cultural factors that come into play. Toronto is blessed with many such attractions, but the one that stands out in my mind is the Toronto Zoo. Sometimes I think we all take for granted what a wonderful facility we have right next door. The Toronto Zoo is consistently ranked as one of the top ten zoos in the world (3, 4, 5), and acknowledged as being one of the largest zoos in the world (6). -
Populacional Structure of Apistogramma Agassizii
Acta Fish. Aquat. Res. (2017) 5 (3): 61-67 DOI 10.2312/ActaFish.2017.5.3.61-67 ARTIGO ORIGINAL Acta of Acta of Fisheries and Aquatic Resources Populacional structure of Apistogramma agassizii (Steindachner, 1875) (Perciformes: Cichlidae) in aquatic environments of the Amana Sustainable Development Reserve (Amazonas - Brazil) Estrutura populacional de Apistogramma agassizii (Steindachner, 1875) (Perciformes: Cichlidae) em ambientes aquáticos da Reserva de Desenvolvimento Sustentável Amanã (Amazonas - Brasil) Jomara Cavalcante de Oliveira1,2*, Sidinéia Aparecida Amadio2 & Helder Lima de Queiroz1 1 Instituto de Desenvolvimento Sustentável Mamirauá - IDSM 2 Coordenação de Pesquisas em Biologia Aquática (CPBA), Instituto Nacional de Pesquisas da Amazônia - INPA *E-mail [email protected] Recebido: 16 de março de 2017 / Aceito: 20 de novembro de 2017 / Publicado: 9 de dezembro de 2017 Abstract Apistogramma agassizii is a dwarf cichlid Resumo Apistogramma agassizii é uma espécie de species endemic of the Amazon basin, about which ciclídeo anão endêmico da bacia amazônica, a qual there is little biological and ecological information poucas informações sobre biologia e ecologia são in their natural habitat, despite their ornamental conhecidas para seu habitat natural, apesar de sua importance. This study evaluated the populacional importância ornamental. Neste estudo avaliamos a structure A. agassizii at Amana Sustainable estrutura populacional de A. agassizii na Reserva de Development Reserve, Middle Solimões basin, Desenvolvimento Sustentável Amanã (RDSA), Amazonas, Brazil. Positive sexual dimorphism bacia do Médio Solimões, Amazonas, Brasil. O found is probably related to the reproductive dimorfismo sexual positivo encontrado behavior of the species. Some management provavelmente está relacionado ao comportamento suggestions are offered to support the sustainable reprodutivo da espécie. -
A New Black Baryancistrus with Blue Sheen from the Upper Orinoco (Siluriformes: Loricariidae)
Copeia 2009, No. 1, 50–56 A New Black Baryancistrus with Blue Sheen from the Upper Orinoco (Siluriformes: Loricariidae) Nathan K. Lujan1, Mariangeles Arce2, and Jonathan W. Armbruster1 Baryancistrus beggini, new species, is described from the upper Rı´o Orinoco and lower portions of its tributaries, the Rı´o Guaviare in Colombia and Rı´o Ventuari in Venezuela. Baryancistrus beggini is unique within Hypostominae in having a uniformly dark black to brown base color with a blue sheen in life, and the first three to five plates of the midventral series strongly bent, forming a distinctive keel above the pectoral fins along each side of the body. It is further distinguished by having a naked abdomen, two to three symmetrical and ordered predorsal plate rows including the nuchal plate, and the last dorsal-fin ray adnate with adipose fin via a posterior membrane that extends beyond the preadipose plate up to half the length of the adipose-fin spine. Se describe una nueva especie, Baryancistrus beggini, del alto Rı´o Orinoco y las partes bajas de sus afluentes: el rı´o Guaviare en Colombia, y el rı´o Ventuari en Venezuela. Baryancistrus beggini es la u´ nica especie entre los Hypostominae que presenta fondo negro oscuro a marro´ n sin marcas, con brillo azuloso en ejemplares vivos. Las primeras tres a cinco placas de la serie medioventral esta´n fuertemente dobladas, formando una quilla notable por encima de las aletas pectorales en cada lado del cuerpo. Baryancistrus beggini se distingue tambie´n por tener el abdomen desnudo, dos o tres hileras de placas predorsales sime´tricas y ordenadas (incluyendo la placa nucal) y el u´ ltimo radio de la aleta dorsal adherido a la adiposa a trave´s de una membrana que se extiende posteriormente, sobrepasando la placa preadiposa y llegando hasta la mitad de la espina adiposa. -
Comparison of Evolutionary Rates in the Mitochondrial DNA Cytochrome B Gene and Control Region and Their Implications for Phylog
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Institute of Hydrobiology, Chinese Academy Of Sciences Molecular Phylogenetics and Evolution 39 (2006) 347–357 www.elsevier.com/locate/ympev Comparison of evolutionary rates in the mitochondrial DNA cytochrome b gene and control region and their implications for phylogeny of the Cobitoidea (Teleostei: Cypriniformes) Qiongying Tang a,b, Huanzhang Liu a,¤, Richard Mayden c, Bangxi Xiong b a Institute of Hydrobiology, Chinese Academy of Sciences, Hubei, Wuhan 430072, PR China b College of Fishery, Huazhong Agricultural University, Hubei, Wuhan 430070, PR China c Department of Biology, Saint Louis University, 3507 Laclede Ave., St. Louis, MO 63103-2010, USA Received 6 July 2005; revised 15 August 2005; accepted 18 August 2005 Available online 4 October 2005 Abstract It is widely accepted that mitochondrial DNA (mtDNA) control region evolves faster than protein encoding genes with few excep- tions. In the present study, we sequenced the mitochondrial cytochrome b gene (cyt b) and control region (CR) and compared their rates in 93 specimens representing 67 species of loaches and some related taxa in the Cobitoidea (Order Cypriniformes). The results showed that sequence divergences of the CR were broadly higher than those of the cyt b (about 1.83 times). However, in considering only closely related species, CR sequence evolution was slower than that of cyt b gene (ratio of CR/cyt b is 0.78), a pattern that is found to be very common in Cypriniformes. Combined data of the cyt b and CR were used to estimate the phylogenetic relationship of the Cobitoidea by maximum parsimony, neighbor-joining, and Bayesian methods. -
Tese Inpa.Pdf
INSTITUTO NACIONAL DE PESQUISAS DA AMAZÔNIA UNIVERSIDADE FEDERAL DO AMAZONAS PROGRAMA DE PÓS-GRADUAÇÃO EM GENÉTICA, CONSERVAÇÃO E BIOLOGIA EVOLUTIVA ESTRUTURAÇÃO E DINÂMICA POPULACIONAL DE Pellona castelnaeana, VALENCIENNES, 1847, E EVIDÊNCIAS DE UNIDADES EVOLUTIVAS EM Pellona flavipinnis (VALENCIENNES, 1837) NA BACIA AMAZÔNICA ALINE MOURÃO XIMENES Manaus, Amazonas Novembro de 2014 ALINE MOURÃO XIMENES ESTRUTURAÇÃO E DINÂMICA POPULACIONAL DE Pellona castelnaeana, VALENCIENNES, 1847, E EVIDÊNCIAS DE UNIDADES EVOLUTIVAS EM Pellona flavipinnis (VALENCIENNES, 1837) NA BACIA AMAZÔNICA ORIENTADORA: DRA. IZENI PIRES FARIAS CO-ORIENTADOR: DR. EMIL JOSÉ HERNÁNDEZ RUZ Dissertação apresentada ao Programa de Pós-Graduação do Instituto Nacional de Pesquisas da Amazônia como parte dos requisitos para obtenção do título de Mestre em Genética, Conservação e Biologia Evolutiva. Manaus, Amazonas Novembro de 2014 ii FICHA CATALOGRÁFICA CDD 597.092 X4 Ximenes, Aline Mourão Estruturação e dinâmica populacional de Pellona castelnaeana, valenciennes, 1847, e evidências de unidades evolutivas em Pellona / Aline Mourão Ximenes. --- Manaus: [s.n.], 2014. xii, 86 f. : il. color. Dissertação (Mestrado) --- INPA/UFAM, Manaus, 2014. Orientador : Izeni Pires Farias. Coorientador : Emil José Hernández Ruz. Área de concentração : Genética, Conservação e Biologia Evolutiva. 1. DNA mitocondrial. 2. Microssatélites. 3. Apapás. I. Título. Sinopse: Foram caracterizados locos de microssatélites para estudo de genética de população em Pellona. Utilizou-se esses microssatélites e região D-loop para o estudo de dinâmica populacional e estrutura genética de Pellona castelnaeana, os resultados a partir da região D-loop indicaram que esta forma uma população panmítica na bacia Amazônica e os resultados a partir dos microssátiles mostraram um padrão de estruturação em megarregiões, ambos microssatélites e região D-loop foram concordantes em indicar que as corredeiras do alto rio Madeira atuaram restrigindo o fluxo gênico em P. -
Panaque (Panaque), with Descriptions of Three New Species from the Amazon Basin (Siluriformes, Loricariidae)
Copeia 2010, No. 4, 676–704 Revision of Panaque (Panaque), with Descriptions of Three New Species from the Amazon Basin (Siluriformes, Loricariidae) Nathan K. Lujan1, Max Hidalgo2, and Donald J. Stewart3 The Panaque nigrolineatus group (subgenus Panaque) is revised; three nominal species—P. cochliodon, P. nigrolineatus, and P. suttonorum—are redescribed and three new species are described. Panaque armbrusteri, new species, is widespread in the Tapajo´ s River and its tributaries in Brazil and is distinguished by having a supraoccipital hump, higher numbers of jaw teeth and an ontogenetic increase in interpremaxillary and intermandibular tooth-row angles, relatively short paired-fin spines, and dorsal margin of infraorbital six flared laterally. Panaque schaeferi, new species, is widespread in main-channel habitats of the upper Amazon (Solimo˜es) River basin in Brazil and Peru; it is distinguished by having a coloration consisting of dark or faded black spots evenly distributed on a pale gray to brown base, and by its large adult body size (.570 mm SL). Panaque titan, new species, is distributed in larger, lowland to piedmont rivers of the Napo River basin in Ecuador, and is distinguished by having a postorbital pterotic region bulged beyond the ventral pterotic margin, coloration consisting of irregular and widely spaced dark gray to brown stripes on light brown to tan base, and large adult body size (.390 mm SL). A relatively large pterotic, indicative of an enlarged gas bladder and gas bladder capsule, and allometric increases in tooth number are hypothesized to be synapomorphies uniting members of the subgenus Panaque. Se reviso´ el grupo Panaque nigrolineatus (subge´nero Panaque); se redescriben tres especies nominales—P. -
Amazon Alive: a Decade of Discoveries 1999-2009
Amazon Alive! A decade of discovery 1999-2009 The Amazon is the planet’s largest rainforest and river basin. It supports countless thousands of species, as well as 30 million people. © Brent Stirton / Getty Images / WWF-UK © Brent Stirton / Getty Images The Amazon is the largest rainforest on Earth. It’s famed for its unrivalled biological diversity, with wildlife that includes jaguars, river dolphins, manatees, giant otters, capybaras, harpy eagles, anacondas and piranhas. The many unique habitats in this globally significant region conceal a wealth of hidden species, which scientists continue to discover at an incredible rate. Between 1999 and 2009, at least 1,200 new species of plants and vertebrates have been discovered in the Amazon biome (see page 6 for a map showing the extent of the region that this spans). The new species include 637 plants, 257 fish, 216 amphibians, 55 reptiles, 16 birds and 39 mammals. In addition, thousands of new invertebrate species have been uncovered. Owing to the sheer number of the latter, these are not covered in detail by this report. This report has tried to be comprehensive in its listing of new plants and vertebrates described from the Amazon biome in the last decade. But for the largest groups of life on Earth, such as invertebrates, such lists do not exist – so the number of new species presented here is no doubt an underestimate. Cover image: Ranitomeya benedicta, new poison frog species © Evan Twomey amazon alive! i a decade of discovery 1999-2009 1 Ahmed Djoghlaf, Executive Secretary, Foreword Convention on Biological Diversity The vital importance of the Amazon rainforest is very basic work on the natural history of the well known.