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Acipenser nudiventris in Azerbaijan
Fringebarbel sturgeon

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Acipenser nudiventris   Lovetsky, 1828
Family:	Acipenseridae (Sturgeons) , subfamily: Acipenserinae			picture (Acnud_u2.jpg) by CAFS
Order:	Acipenseriformes  (sturgeons and paddlefishes)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:	Fringebarbel sturgeon
Max. size:	200 cm TL (male/unsexed; Ref. 3397); max. published weight: 80.0 kg (Ref. 52332)
Environment:	demersal; anadromous ; depth range 30 - 60 m
Climate:	temperate; 10 - 20°C; 57°N - 36°N
Global Importance:	fisheries: commercial; aquaculture: commercial
Resilience:	Low, minimum population doubling time 4.5 - 14 years (K=0.04-0.12; tmax=30; Fec=165,000)
Distribution:	Europe and Former USSR: Caspian and Aral seas, very rarely in the Black Sea and Sea of Azov. Artificially propagated; extinct in Aral Sea (Ref. 6866). International trade restricted (CITES II, since 1.4.98; CMS Appendix II).
Diagnosis:	Dorsal spines (total): 0-0; Dorsal soft rays (total): 45-57; Anal soft rays: 23-37. Snout moderately long and pointed at tip. Lower lip continuous, not interrupted at centre. Barbels halfway between tip of snout and mouth, reaching the latter. Five rows of scutes, dorsal 11-17, lateral 49-70, but usually 55-56 on each side, ventral 10-16, with no smaller plates between dorsal and ventral rows. Color of back grey, flanks lighter, belly white.
Biology:	Found over mud and usually solitary. Feeds on mollusks, amphipods and chironomid larvae. Spawns from end of April to June (end of May in Rioni River, Black Sea) (Ref. 3193)
Threatened:	Endangered, see IUCN Red List  (A1acde+2d) , (Ref. 36508)
Dangerous:	harmless
Coordinator:
Main Ref:	Bauchot, M.-L.. 1987. (Ref. 3397)
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Azerbaijan country information
Common names:	Ship		Ref:  Blanc, M., J.-L. Gaudet, P. Banarescu and J.-C. Hureau, 1971
Status:	native		Ref:
Salinity:	freshwater, brackish
Uses:	no uses
Country Information:	www.cia.gov/cia/publications/factbook/geos/aj.html
Occurrences:	Occurrences    Point map
Main Ref:	Svetovidov, A.N., 1984
Update

More information:	Countries FAO areas Occurrences Introductions Ecosystem Ecology Diet Food items Food consumption Ration Predators Ciguatera Fish loss Common names Synonyms Pictures Sounds Reproduction Maturity Spawning Eggs Egg dev. Larvae Larval dynamics References Growth L-W relationship L-L relationship Length frequencies Recruitment Max. age & size Metabolism Morphology Morphometrics Gill area Brains Vision Collaborators Genetics Allele frequencies Heritability Strains Aquaculture Aquaculture profile Diseases Ecotoxicology Processing Speed Swim. type Stamps
	Note: No data are available if label is black .
Tools:	Biogeographic modelling | Bio-Quiz | E-book | Field guide | Identification keys | Length-frequency Wizard | Life-history tool |
Internet sources:	BiOSC Point Data | CISTI | Google | GOBASE | FIGIS | GenBank ( genome, nucleotide ) | National databases | PubMed | Scirus | Tree of Life | Zoological Record
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	Modified:  Casal, Christine Marie V.	Entered:  Agustin, Liza Q.

	Ref.:				Glossary
		(e.g. 9948)				(e.g. cephalopods)
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Page created by: Eli, 20.10.03, last modified by Eli, 26.06.07