Country Species Summary

Acipenser gueldenstaedtii in Germany, Fed. Rep.
Russian sturgeon

Acipenser gueldenstaedtii Brandt & Ratzeburg, 1833
Family:	Acipenseridae (Sturgeons) , subfamily: Acipenserinae	picture (Acgue_u6.jpg) by Hippocampus-Bildarchiv
Order:	Acipenseriformes (sturgeons and paddlefishes)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:	Russian sturgeon
Max. size:	235 cm TL (male/unsexed; Ref. 719); max. published weight: 115.0 kg (Ref. 6866); max. reported age: 46 years
Environment:	demersal; anadromous ; depth range - 1 m
Climate:	temperate; 10 - 20°C; 61°N - 35°N
Global Importance:	fisheries: commercial; aquaculture: commercial; aquarium: public aquariums
Resilience:	Very low, minimum population doubling time more than 14 years (tm=11; Fec = 26,000)
Distribution:	Eurasia: Black Sea, Sea of Azov and Caspian Sea, entering all main rivers that empty into them (Don, Kuban, Danube, Dnieper (rare), Dniester). International trade restricted (CITES II, since 1.4.98; CMS Appendix II).
Diagnosis:	Dorsal spines (total): 0-0; Dorsal soft rays (total): 27-48; Anal soft rays: 16-35. Under the name A. g. colchicus. Lower lip not continuous, interrupted at center. Five rows of scutes: dorsal 7-19, lateral 24-44 on each side, ventral 6-13 on each side, with lines of smaller stellate bony plates between the dorsal and ventral rows. Color of back olivaceous grey, flanks lighter, and belly white.
Biology:	Found mainly near the shore over sand and mud. Usually solitary, but swarms when hibernating or during spawning migrations. Occasionally forms schools (Ref. 3241). Feeds on mollusks, crustaceans and small fishes (anchovies, sprats, gobies). Spawning occurs from May to June. Mainly propagated through artificial reproduction
Threatened:	Endangered, see IUCN Red List (A2d) , (Ref. 36508)
Dangerous:	harmless
Coordinator:
Main Ref:	Sokolov, L.I. and L.S. Berdicheskii. 1989. (Ref. 9953)
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Germany, Fed. Rep. country information
Common names:	Donau-Stör, Osetr, Osietra, Russischer Stör, Waxdick, Stör	Ref: Bundesanstalt für Landwirtschaft und Ernährung, 2003
Status:	extirpated	Ref: Monnerjahn, U., 1999
Salinity:	freshwater, marine
Regulations:	no regulations	Ref:
Uses:	no uses
Comments:	Southeastern Germany, Danube river, in historic times. Now extirpated (Ref. 27368). Reported as seen in the Plöner See in 1995 (Ref. 27975). Also Ref. 36252.
Country Information:	www.cia.gov/cia/publications/factbook/geos/gm.html
Occurrences:	Occurrences Point map
Main Ref:	Gerstmeier, R. and T. Romig, 1998
National Database:	AGRDEU
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Modified: Casal, Christine Marie V.

Entered: Froese, Rainer

CGNET - US

Page created by: Eli, 20.10.03, last modified by Eli, 26.06.07

	Ref.:		Glossary
		(e.g. 9948)		(e.g. cephalopods)
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