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CRAYFISH IDENTIFICATION with DICHOTOMOUS KEYS As The
CRAYFISH IDENTIFICATION WITH DICHOTOMOUS KEYS As the name implies, a dichotomous key includes a series of paired choices called couplets. Each couplet contains alternative identification characteristics that allow you to advance step by step through the key, until you reach an endpoint (species). Once you reach your endpoint, read through the associated species account, and review the range map to make sure it fits what you found. If after reviewing the account and the map, you think you reached the species in error, go back to the key, and think about where you had to make a difficult decision on which way to proceed in the key. Then, try the opposite choice to see if it leads you to a better answer. When starting out, using dichotomous keys can be frustrating. Sometimes the characteristics presented in the key are straightforward, while other times the differences are extremely subtle. Seldom will every characteristic presented in a couplet match your specimen exactly. Be patient, choose the “best” answer, and as mentioned above, be ready to try alternative routes within the key. Keep in mind also that the photo included within a given species account represents a single, clean individual. There will often be variability in color and size depending on the sex and age class of the individual you are attempting to identify. You will see a good example of this when you are using one of the keys where Cambarus latimanus is present. The common name of this species is Variable Crayfish, and the name is fitting. This species is so variable that in some keys it appears in two places. -
National Monitoring Program for Biodiversity and Non-Indigenous Species in Egypt
UNITED NATIONS ENVIRONMENT PROGRAM MEDITERRANEAN ACTION PLAN REGIONAL ACTIVITY CENTRE FOR SPECIALLY PROTECTED AREAS National monitoring program for biodiversity and non-indigenous species in Egypt PROF. MOUSTAFA M. FOUDA April 2017 1 Study required and financed by: Regional Activity Centre for Specially Protected Areas Boulevard du Leader Yasser Arafat BP 337 1080 Tunis Cedex – Tunisie Responsible of the study: Mehdi Aissi, EcApMEDII Programme officer In charge of the study: Prof. Moustafa M. Fouda Mr. Mohamed Said Abdelwarith Mr. Mahmoud Fawzy Kamel Ministry of Environment, Egyptian Environmental Affairs Agency (EEAA) With the participation of: Name, qualification and original institution of all the participants in the study (field mission or participation of national institutions) 2 TABLE OF CONTENTS page Acknowledgements 4 Preamble 5 Chapter 1: Introduction 9 Chapter 2: Institutional and regulatory aspects 40 Chapter 3: Scientific Aspects 49 Chapter 4: Development of monitoring program 59 Chapter 5: Existing Monitoring Program in Egypt 91 1. Monitoring program for habitat mapping 103 2. Marine MAMMALS monitoring program 109 3. Marine Turtles Monitoring Program 115 4. Monitoring Program for Seabirds 118 5. Non-Indigenous Species Monitoring Program 123 Chapter 6: Implementation / Operational Plan 131 Selected References 133 Annexes 143 3 AKNOWLEGEMENTS We would like to thank RAC/ SPA and EU for providing financial and technical assistances to prepare this monitoring programme. The preparation of this programme was the result of several contacts and interviews with many stakeholders from Government, research institutions, NGOs and fishermen. The author would like to express thanks to all for their support. In addition; we would like to acknowledge all participants who attended the workshop and represented the following institutions: 1. -
New Alien Crayfish Species in Central Europe
NEW ALIEN CRAYFISH SPECIES IN CENTRAL EUROPE Introduction pathways, life histories, and ecological impacts DISSERTATION zur Erlangung des Doktorgrades Dr. rer. nat. der Fakultät für Naturwissenschaften der Universität Ulm vorgelegt von Christoph Chucholl aus Rosenheim Ulm 2012 NEW ALIEN CRAYFISH SPECIES IN CENTRAL EUROPE Introduction pathways, life histories, and ecological impacts DISSERTATION zur Erlangung des Doktorgrades Dr. rer. nat. der Fakultät für Naturwissenschaften der Universität Ulm vorgelegt von Christoph Chucholl aus Rosenheim Ulm 2012 Amtierender Dekan: Prof. Dr. Axel Groß Erstgutachter: Prof. Dr. Manfred Ayasse Zweitgutachter: Prof. apl. Dr. Gerhard Maier Tag der Prüfung: 16.7.2012 Cover picture: Orconectes immunis male (blue color morph) (photo courtesy of Dr. H. Bellmann) Table of contents Part 1 – Summary Introduction ............................................................................................................................ 1 Invasive alien species – a global menace ....................................................................... 1 “Invasive” matters .......................................................................................................... 2 Crustaceans – successful invaders .................................................................................. 4 The case of alien crayfish in Europe .............................................................................. 5 New versus Old alien crayfish ....................................................................................... -
Decapod Crustacean Grooming: Functional Morphology, Adaptive Value, and Phylogenetic Significance
Decapod crustacean grooming: Functional morphology, adaptive value, and phylogenetic significance N RAYMOND T.BAUER Center for Crustacean Research, University of Southwestern Louisiana, USA ABSTRACT Grooming behavior is well developed in many decapod crustaceans. Antennular grooming by the third maxillipedes is found throughout the Decapoda. Gill cleaning mechanisms are qaite variable: chelipede brushes, setiferous epipods, epipod-setobranch systems. However, microstructure of gill cleaning setae, which are equipped with digitate scale setules, is quite conservative. General body grooming, performed by serrate setal brushes on chelipedes and/or posterior pereiopods, is best developed in decapods at a natant grade of body morphology. Brachyuran crabs exhibit less body grooming and virtually no specialized body grooming structures. It is hypothesized that the fouling pressures for body grooming are more severe in natant than in replant decapods. Epizoic fouling, particularly microbial fouling, and sediment fouling have been shown r I m ans of amputation experiments to produce severe effects on olfactory hairs, gills, and i.icubated embryos within short lime periods. Grooming has been strongly suggested as an important factor in the coevolution of a rhizocephalan parasite and its anomuran host. The behavioral organization of grooming is poorly studied; the nature of stimuli promoting grooming is not understood. Grooming characters may contribute to an understanding of certain aspects of decapod phylogeny. The occurrence of specialized antennal grooming brushes in the Stenopodidea, Caridea, and Dendrobranchiata is probably not due to convergence; alternative hypotheses are proposed to explain the distribution of this grooming character. Gill cleaning and general body grooming characters support a thalassinidean origin of the Anomura; the hypothesis of brachyuran monophyly is supported by the conservative and unique gill-cleaning method of the group. -
A New Species of Crayfish (Decapoda: Cambaridae) Of
CAMBARUS (TUBERICAMBARUS) POLYCHROMATUS (DECAPODA: CAMBARIDAE) A NEW SPECIES OF CRAYFISH FROM OHIO, KENTUCKY, INDIANA, ILLINOIS AND MICHIGAN Roger F Thoma Department of Evolution, Ecology, and Organismal Biology Museum of Biological Diversity 1315 Kinnear Rd., Columbus, Ohio 43212-1192 Raymond F. Jezerinac Deceased, 21 April 1996 Thomas P. Simon Division of Crustaceans, Aquatic Research Center, Indiana Biological Survey, 6440 South Fairfax Road, Bloomington, Indiana 47401 2 Abstract. --A new species of crayfish Cambarus (Tubericambarus) polychromatus is described from western Ohio, Indiana, southern and east-central Illinois, western Kentucky, and southern Michigan areas of North America. Of the recognized members of the subgenus, it is most closely related to Cambarus (T.) thomai, found primarily in eastern Ohio, Kentucky, and Tennessee and western West Virginia. It is easily distinguished from other recognized members of the subgenus by its strongly deflected rostral tip. __________________________________ Raymond F. Jezerinac (RFT) studied the Cambarus diogenes species complex for two decades. He described one new species and erected the subgenus Tubericambarus (Jezerinac, 1993) before his untimely death in 1996. This paper is the continuing efforts of the senior author (RFT) to complete Ray’s unfinished work. Ray had long recognized this species as distinct, but was delayed in its description by his work on the crayfishes of West Virginia (Jezerinac et. al., 1995). After his death, a partial manuscript was found on Ray’s computer at the Ohio State University Museum of Biodiversity, Columbus, Ohio. That manuscript served as the impetus for this paper. This species first came to the 3 attention of RFJ and RFT in 1978 when conducting research into the Cambarus bartonii species complex. -
Life Cycle of the Lime Blue Butterfly Chilades Lajus
Journal on New Biological Reports ISSN 2319 – 1104 (Online) JNBR 4(2) 164 - 168 (2015) Published by www.researchtrend.net Life Cycle of the Lime Blue Butterfly Chilades Lajus (Stoll) (Lepidoptera: Rhopalocera: Lycaenidae) from Sri Lankamalleswara Reserve Forest in the Eastern Ghats of Southern Andhra Pradesh P. Harinatha, K. Suryanarayanab, M. Venkata Reddyc, and S. P. Venkata Ramana*d a,b,d Department of Zoology, School of life Sciences, Yogi Vemana University Kadapa – 516 003, Andhra Pradesh, India c Department of Zoology, S. K. University, Anantapur, Andhra Pradesh, India Corresponding author: [email protected] | Received: 06 July 2015 | Accepted: 06 August 2015 | ABSTRACT The Chilades lajus (Stoll) Lime blue was univalent and seasonal. It was on wing almost throughout the year breeds with high frequency during the periods of monsoon and post monsoon seasons. Studies were conducted during January 2014 to December 2014 at Sri Lankamalleswara Reserve forest study area in the Eastern Ghats of Southern Andhra Pradesh. The growth from egg to adult was 19 - 22 days with four larval instar stages. There was no dormancy stage in the life history. Short life cycle and high success development of life stages suggest the production of more number of broods yearly. Besides, the population index of Chilades lajus on same ovipostion host plant leaves was discussed. Key Words: Chilades lajus , Life cycle, Population index, Sri Lankamalleswara Reserve forest, Eastern Ghats. INTRODUCTION The lime blue butterfly (Chilades lajus) was a of The ‘Species biology’ help to define small butterfly found in India belongs to management needs. In India where the exact status Lycaenidaes or blue family. -
The Marbled Crayfish (Decapoda: Cambaridae) Represents an Independent New Species
Zootaxa 4363 (4): 544–552 ISSN 1175-5326 (print edition) http://www.mapress.com/j/zt/ Article ZOOTAXA Copyright © 2017 Magnolia Press ISSN 1175-5334 (online edition) https://doi.org/10.11646/zootaxa.4363.4.6 http://zoobank.org/urn:lsid:zoobank.org:pub:179512DA-1943-4F8E-931B-4D14D2EF91D2 The marbled crayfish (Decapoda: Cambaridae) represents an independent new species FRANK LYKO 1Division of Epigenetics, DKFZ-ZMBH Alliance, German Cancer Research Center, 69120 Heidelberg, Germany Correspondence: Deutsches Krebsforschungszentrum Im Neuenheimer Feld 580 69120 Heidelberg, Germany phone: +49-6221-423800 fax: +49-6221-423802 E-mail: [email protected] Abstract Marbled crayfish are a globally expanding population of parthenogenetically reproducing freshwater decapods. They are closely related to the sexually reproducing slough crayfish, Procambarus fallax, which is native to the southeastern United States. Previous studies have shown that marbled crayfish are morphologically very similar to P. fallax. However, different fitness traits, reproductive incompatibility and substantial genetic differences suggest that the marbled crayfish should be considered an independent species. This article provides its formal description and scientific name, Procambarus virgin- alis sp. nov. Key words: parthenogenesis, annulus ventralis, genetic analysis, mitochondrial DNA Introduction Marbled crayfish were first described in 2001 as the only known obligatory parthenogen among the approximately 15,000 decapod crustaceans (Scholtz et al., 2003). The animals were first described in the German aquarium trade in the late 1990s (Scholtz et al., 2003) and became widely distributed in subsequent years under their German name "Marmorkrebs". Stable populations have developed from anthropogenic releases in various countries including Madagascar, Germany, Czech Republic, Hungary, Croatia and Ukraine (Chucholl et al., 2012; Jones et al., 2009; Kawai et al., 2009; Liptak et al., 2016; Lokkos et al., 2016; Novitsky & Son, 2016; Patoka et al., 2016). -
A Migratory Shrimp's Perspective on Habitat Fragmentation in The
A MIGRATORY SHRIMP’S PERSPECTIVE ON HABITAT FRAGMENTATION IN THE NEOTROPICS: EXTENDING OUR KNOWLEDGE FROM PUERTO RICO BY MARCIA N. SNYDER1,3), ELIZABETH P. ANDERSON2,4) and CATHERINE M. PRINGLE1,5) 1) Odum School of Ecology, University of Georgia, Athens, Georgia 30602, U.S.A. 2) Global Water for Sustainability Program, Florida International University, Miami, FL 33199, U.S.A. ABSTRACT Migratory freshwater fauna depend on longitudinal connectivity of rivers throughout their life cycles. Amphidromous shrimps spend their adult life in freshwater but their larvae develop into juveniles in salt water. River fragmentation resulting from pollution, land use change, damming and water withdrawals can impede dispersal and colonization of larval shrimps. Here we review current knowledge of river fragmentation effects on freshwater amphidromous shrimp in the Neotropics, with a focus on Puerto Rico and Costa Rica. In Puerto Rico, many studies have contributed to our knowledge of the natural history and ecological role of migratory neotropical shrimps, whereas in Costa Rica, studies of freshwater migratory shrimp have just begun. Here we examine research findings from Puerto Rico and the applicability of those findings to continental Costa Rica. Puerto Rico has a relatively large number of existing dams and water withdrawals, which have heavily fragmented rivers. The effects of fragmentation on migratory shrimps’ distribution have been documented on the landscape-scale in Puerto Rico. Over the last decade, dams for hydropower production have been constructed on rivers throughout Costa Rica. In both countries, large dams restrict shrimps from riverine habitat in central highland regions; in Puerto Rico 27% of stream kilometers are upstream of large dams while in Costa Rica 10% of stream kilometers are upstream of dams. -
Updated Checklist of Marine Fishes (Chordata: Craniata) from Portugal and the Proposed Extension of the Portuguese Continental Shelf
European Journal of Taxonomy 73: 1-73 ISSN 2118-9773 http://dx.doi.org/10.5852/ejt.2014.73 www.europeanjournaloftaxonomy.eu 2014 · Carneiro M. et al. This work is licensed under a Creative Commons Attribution 3.0 License. Monograph urn:lsid:zoobank.org:pub:9A5F217D-8E7B-448A-9CAB-2CCC9CC6F857 Updated checklist of marine fishes (Chordata: Craniata) from Portugal and the proposed extension of the Portuguese continental shelf Miguel CARNEIRO1,5, Rogélia MARTINS2,6, Monica LANDI*,3,7 & Filipe O. COSTA4,8 1,2 DIV-RP (Modelling and Management Fishery Resources Division), Instituto Português do Mar e da Atmosfera, Av. Brasilia 1449-006 Lisboa, Portugal. E-mail: [email protected], [email protected] 3,4 CBMA (Centre of Molecular and Environmental Biology), Department of Biology, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal. E-mail: [email protected], [email protected] * corresponding author: [email protected] 5 urn:lsid:zoobank.org:author:90A98A50-327E-4648-9DCE-75709C7A2472 6 urn:lsid:zoobank.org:author:1EB6DE00-9E91-407C-B7C4-34F31F29FD88 7 urn:lsid:zoobank.org:author:6D3AC760-77F2-4CFA-B5C7-665CB07F4CEB 8 urn:lsid:zoobank.org:author:48E53CF3-71C8-403C-BECD-10B20B3C15B4 Abstract. The study of the Portuguese marine ichthyofauna has a long historical tradition, rooted back in the 18th Century. Here we present an annotated checklist of the marine fishes from Portuguese waters, including the area encompassed by the proposed extension of the Portuguese continental shelf and the Economic Exclusive Zone (EEZ). The list is based on historical literature records and taxon occurrence data obtained from natural history collections, together with new revisions and occurrences. -
The Timescale of Early Land Plant Evolution PNAS PLUS
The timescale of early land plant evolution PNAS PLUS Jennifer L. Morrisa,1, Mark N. Putticka,b,1, James W. Clarka, Dianne Edwardsc, Paul Kenrickb, Silvia Presseld, Charles H. Wellmane, Ziheng Yangf,g, Harald Schneidera,d,h,2, and Philip C. J. Donoghuea,2 aSchool of Earth Sciences, University of Bristol, Bristol BS8 1TQ, United Kingdom; bDepartment of Earth Sciences, Natural History Museum, London SW7 5BD, United Kingdom; cSchool of Earth and Ocean Sciences, Cardiff University, Cardiff CF10, United Kingdom; dDepartment of Life Sciences, Natural History Museum, London SW7 5BD, United Kingdom; eDepartment of Animal and Plant Sciences, University of Sheffield, Sheffield S10 2TN, United Kingdom; fDepartment of Genetics, Evolution and Environment, University College London, London WC1E 6BT, United Kingdom; gRadclie Institute for Advanced Studies, Harvard University, Cambridge, MA 02138; and hCenter of Integrative Conservation, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Yunnan 666303, China Edited by Peter R. Crane, Oak Spring Garden Foundation, Upperville, VA, and approved January 17, 2018 (received for review November 10, 2017) Establishing the timescale of early land plant evolution is essential recourse but to molecular clock methodology, employing the for testing hypotheses on the coevolution of land plants and known fossil record to calibrate and constrain molecular evolu- Earth’s System. The sparseness of early land plant megafossils and tion to time. Unfortunately, the relationships among the four stratigraphic controls on their distribution make the fossil record principal lineages of land plants, namely, hornworts, liverworts, an unreliable guide, leaving only the molecular clock. However, mosses, and tracheophytes, are unresolved, with almost every the application of molecular clock methodology is challenged by possible solution currently considered viable (14). -
Chilades Lempkei Blom, 1979, a Synonym of Chilades Parrhasius (Fabricius, 1793) (Lepidoptera, Lycaenidae) By
ENTOMOLOGISCHE BERICHTEN, DEEL 40, 1 .III. 1980 47 Chilades lempkei Blom, 1979, a synonym of Chilades parrhasius (Fabricius, 1793) (Lepidoptera, Lycaenidae) by TORBEN B. LARSEN ABSTRACT. — Chilades lempkei Blom, 1979, is sunk in synonymy of C. parrhasius Fabricius, 1793, a species often, but incorrectly, placed in Euchrysops. It is suggested that C. parrhasius and the narrowly sympatric C. galba (Freyer) are members of a superspecies complex. Recently in this journal a species of Lycaenidae from the Fars Province of Iran was described as Chilades lempkei by Blom (1979). This is a junior synonym of Chilades parrhasius (Fabricius, 1793), a solution which was probably overlooked by the author, because parrhasius (= contracta Butler, 1880) in Indian literature was conventionally placed in Euchrysops, an error which I have unfortunately been guilty of perpetuating (Larsen 1977), although for instance Howarth correctly placed it in Chilades (Howarth & Povolny 1976) and noted its presence in Iran. The genitalia of Chilades are very distinct from Euchrysops. The genitalia of C. lempkei figured by Blom match exactly specimens from Oman (Oman, Batina Coast, al Barqa, II. 1979, T. B. Larsen leg., slide AQX) and from India (India, New Delhi, VII. 1977, T. B. Larsen leg., slide AQY). The description is also in accordance with the normal habitus of C. parrhasius though it should be underlined that the species displays considerable variation, in fact so much that subspecies of parrhasius would be difficult to accept, although several names from the Indian subcontinent are available. However, in researching this relatively simple problem, a more interesting problem emerged. The genitalia of Chilades galba (Freyer, 1855) are almost identical to those of parrhasius in two specimens examined (Jordan, Ghor Nimrin, IV.1977, T. -
Nematode and Acanthocephalan Parasites of Marine Fish of the Eastern Black Sea Coasts of Turkey
Turkish Journal of Zoology Turk J Zool (2013) 37: 753-760 http://journals.tubitak.gov.tr/zoology/ © TÜBİTAK Research Article doi:10.3906/zoo-1206-18 Nematode and acanthocephalan parasites of marine fish of the eastern Black Sea coasts of Turkey Yahya TEPE*, Mehmet Cemal OĞUZ Department of Biology, Faculty of Science, Atatürk University, Erzurum, Turkey Received: 13.06.2012 Accepted: 04.07.2013 Published Online: 04.10.2013 Printed: 04.11.2013 Abstract: A total of 625 fish belonging to 25 species were sampled from the coasts of Trabzon, Rize, and Artvin provinces and examined parasitologically. Two acanthocephalan species (Neoechinorhynchus agilis in Liza aurata; Acanthocephaloides irregularis in Scorpaena porcus) and 4 nematode species (Hysterothylacium aduncum in Merlangius merlangus euxinus, Trachurus mediterraneus, Engraulis encrasicholus, Belone belone, Caspialosa sp., Sciaena umbra, Scorpaena porcus, Liza aurata, Spicara smaris, Gobius niger, Sarda sarda, Uranoscopus scaber, and Mullus barbatus; Anisakis pegreffii in Trachurus mediterraneus; Philometra globiceps in Uranoscopus scaber and Trachurus mediterraneus; and Ascarophis sp. in Scorpaena porcus) were found in the intestines of their hosts. The infection rates, hosts, and morphometric measurements of the parasites are listed in this paper. Key words: Turkey, Black Sea, nematode, Acanthocephala, teleost 1. Introduction Bilecenoğlu (2005). The descriptions of the parasites were This is the first paper on the endohelminth fauna of executed using the works of Yamaguti (1963a, 1963b), marine fish from the eastern Black Sea coasts of Turkey. Golvan (1969), Yorke and Maplestone (1962), Gaevskaya The acanthocephalan fauna of Turkey includes 11 species et al. (1975), and Fagerholm (1982). The preparation of the (Öktener, 2005; Keser et al., 2007) and the nematode fauna parasites was carried out according to Kruse and Pritchard includes 16 species (Öktener, 2005).