FB-48261 http://www.fishbase.org/summary/SpeciesSummary.php?id=48261 Animalia Chordata Teleostei Gobiiformes Gobiidae Ponticola Ponticola constructor (Nordmann, 1840) Caspian monkey goby Caspian sand goby Belyi bychok Kaspiiskii bychok-pesochnik Gobius fluviatilis pallasi Berg, 1916 Neogobius fluviatilis pallasi (Berg, 1916) 1998-05-06 2024-05-16 Berg, L.S.0 Freshwater fishes of the U.S.S.R. and adjacent countries. volume 3, 4th edition. Israel Program for Scientific Translations Ltd, Jerusalem. (Russian version published 1949). (Ref. 2058) Vasil'ev, V.P.0 The evolutionary karyology of fishes. (Evoljuzionnaja kariologiya ryb). 300p. Moscow: Nauka. (Ref. 30007) Rass, T.S.0 Fish. Vol. 4, Life of animals. V.E. Sokolov (ed.), Moscow: Prosveschenie. 575p. (Ref. 30503) Anonymous0 Fish collection database of the Natural History Museum, London (formerly British Museum of Natural History (BMNH)). Natural History Museum, London (formerly British Museum of Natural History (BMNH)). (Ref. 31982) Stolyarov, I.A.0 Dietary features of catfish, Silurus glanis, and pike-perch Stizostedion lucioperca, in Kyzlyarsk Bay, northern Caspian Sea. J. Ichthyol. 25(2):140-145. (Ref. 33670) Klinkhardt, M, M. Tesche and H. Greven0 Database of fish chromosomes. Westarp Wissenschaften. (Ref. 34370) Anonymous0 Fish collection database of the National Museum of Natural History (Smithsonian Institution). Smithsonian Institution-Division of Fishes. (Ref. 38732) Kottelat, M. and J. Freyhof0 Handbook of European freshwater fishes. Publications Kottelat, Cornol and Freyhof, Berlin. 646 pp. (Ref. 59043) Tsykhon-Lukanina, E.A.0 Feeding of gobies of the northern Caspian Sea. Trudy Vsesoyuznogo Gidrobiologicheskogo Obshchestva 9:214-239. (Ref. 75130) Beolens, B., M. Grayson and M. Watkins0 Eponym dictionary of Fishes. Dunbeath, Caithness (Scotland, UK): Whittles Publishing Limited, 1300 p. (Ref. 128868) Tajbakhsh, F., A.A. Abdoli, H. Rajabi Maham, I. Hashemzadeh Segherloo and B. Kiabi0 A study of food consumption of the deepwater Goby, Ponticola bathybius (Kessler, 1877), during spring migration in the southern Caspian Sea. Iranian J. Fish Sci. 15(4):1616-1623. (Ref. 129379) IUCN0 The IUCN Red List of Threatened Species. 1964 - onwards. https://www.iucnredlist.org/ (Ref. 130435) FB-GeneralDescr-48268 http://purl.org/dc/dcmitype/Text text/html Pascualita Sa-a 1998-05-06 00:00:00 2024-05-16 00:00:00 Biology http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=48268 http://rs.tdwg.org/ontology/voc/SPMInfoItems#TrophicStrategy Occurs in lagoons and lakes, large- to medium- size rivers, on sand or mud bottom; usually on open sand or sand-shell bottom. Lives up to 3 years. Spawns for the first time at 1 year, rarely at 2. Spawns in April-September. Individual females may repeat spawning during a season. Adhesive eggs are deposited on stones, shells and aquatic plants and are guarded by males until hatching. Feeds on a wide variety of invertebrates (mainly crustaceans and insect larvae) and small fish (Ref.59043). Is the most important commercial species of goby in the Caspian Sea (Ref. 2058). Kottelat, M. and J. Freyhof 2007 Handbook of European freshwater fishes. Publications Kottelat, Cornol and Freyhof, Berlin. 646 pp. (Ref. 59043) FB-DiagnosticDescr-48268 http://purl.org/dc/dcmitype/Text text/html Estelita Emily Capuli 2010-06-29 00:00:00 2010-06-29 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=48268 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Size This species is distinguished from its congeners entering freshwater in the Caspian Sea basin by the following characters: first branched ray of second dorsal about as long as penultimate ray; nape completely scaled; pelvic-disc fraenum with small rounded lobes and the length is less than 1/6 of width at base; pelvic disc reaching 90-100% of distance between its origin and anus; scales in midlateral series 55-63 + 2-3; in juveniles at least, posterior part of first dorsal with black spot (Ref. 59043). Kottelat, M. and J. Freyhof 2007 Handbook of European freshwater fishes. Publications Kottelat, Cornol and Freyhof, Berlin. 646 pp. (Ref. 59043) FB-Distribution-48268 http://purl.org/dc/dcmitype/Text text/html Pascualita Sa-a 1998-05-06 00:00:00 2025-11-05 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=48268 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Threats Europe and Asia: Caspian basin; common in Volga drainage, upriver to Moscow. Introduced in Aral basin. Kottelat, M. and J. Freyhof 2007 Handbook of European freshwater fishes. Publications Kottelat, Cornol and Freyhof, Berlin. 646 pp. (Ref. 59043) FB-Uses-48268 http://purl.org/dc/dcmitype/Text text/html Pascualita Sa-a 1998-05-06 00:00:00 2024-05-16 00:00:00 Importance http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=48268 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Habitat fisheries: commercial Berg, L.S. 1965 Freshwater fishes of the U.S.S.R. and adjacent countries. volume 3, 4th edition. Israel Program for Scientific Translations Ltd, Jerusalem. (Russian version published 1949). (Ref. 2058) FB-Size-48268 http://purl.org/dc/dcmitype/Text text/html Pascualita Sa-a 1998-05-06 00:00:00 2024-05-16 00:00:00 Max. size http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=48268 http://rs.tdwg.org/ontology/voc/SPMInfoItems#Distribution 20.0 cm SL (male/unsexed; (Ref. 59043)) Kottelat, M. and J. Freyhof 2007 Handbook of European freshwater fishes. Publications Kottelat, Cornol and Freyhof, Berlin. 646 pp. (Ref. 59043) FB-Threats-2 http://purl.org/dc/dcmitype/Text text/html Belen Acosta 1990-10-18 00:00:00 2024-03-07 00:00:00 http://creativecommons.org/licenses/by-nc/3.0/ http://www.fishbase.org/summary/SpeciesSummary.php?id=2 Least Concern (LC) , IUCN Grouper and Wrasse Specialist Group IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006. FB-Habitat-48268 http://purl.org/dc/dcmitype/Text text/html Pascualita Sa-a 1998-05-06 00:00:00 2024-05-16 00:00:00 Environment http://creativecommons.org/licenses/by-nc/3.0/ WorldFish Center - FishBase General public http://www.fishbase.org/summary/SpeciesSummary.php?id=48268 http://rs.tdwg.org/ontology/voc/SPMInfoItems#TrophicStrategy benthopelagic; freshwater