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Genus + Species (e.g. Gadus morhua)
Actinopterygii (ray-finned fishes) >
(Sturgeons and paddlefishes) >
(Sturgeons) > Acipenserinae
Latin, acipenser = sturgeon, 1853 (Ref.
. More on author:
Environment: milieu / climate zone / depth range / distribution range
Marine; freshwater; brackish; demersal; anadromous (Ref.
); depth range 10 - 40 m (Ref.
). Temperate; 46°N - 37°N, 10°E - 20°E
Europe: Adriatic Sea and its tributaries between Po (Italy) and Buna (Albania) drainages. Recorded from Corfu; present in lowermost part of Adriatic rivers from Soca to Drin. Records from Tyrrhenian slope of Italy, Spain and France are erroneous. In Appendix II of the Bern Convention (strictly protected fauna). International trade restricted (
II, since 1.4.98;
Appendix II). Only a single surviving naturally- spawning population at confluence of Ticino and Po; occasional records from Adriatic Sea and coastal rivers; spawning populations survived in Albania, but have possibly been extirpated. Status of threat: critically endangered.
Size / Weight / Age
range ? - ? cm
Max length : 200 cm TL male/unsexed; (Ref.
); max. published weight: 25.0 kg (Ref.
: 24 - 31. Snout moderate, very broad and rounded at tip. Lower lip continuous, interrupted at center. Barbels nearer to tip of snout than to mouth and not touching it. Five rows of scutes, dorsal 10-14 (the middle ones deeper and usually larger than those at front), lateral 32-42 on each side, ventral 8-11 on each side, with no smaller plates between dorsal and lateral rows. Back is olivaceous brown, flanks lighter, belly white.
Occurs in the sea close to shore and estuaries, not entering pure marine waters. In freshwater, it inhabits large deep rivers (Ref.
). A long-lived species which is found mainly over sand and mud. Feeds on bottom-living invertebrates and small fishes. Reproduction takes place from May to July. Is threatened by habitat destruction, pollution and overfishing (Ref.
). The flesh is used for food but the eggs are not consumed as caviar (Ref.
Enters rivers from March to May, and presumably spawns then.
Kottelat, M. and J. Freyhof
, 2007. Handbook of European freshwater fishes. Publications Kottelat, Cornol and Freyhof, Berlin. 646 pp. (Ref.
IUCN Red List Status (Ref.
Critically Endangered (CR)
(A2bcde; B2ab(i,ii,iii,iv,v)); Date assessed:
24 October 2009
International trade monitored
Migratory species conserved through agreements
Threat to humans
; publication :
Stamps, Coins Misc.
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Websites from users
Catalog of Fishes
) | GloBI |
| IGFA World Record |
Otolith Atlas of Taiwan Fishes
| Reef Life Survey |
Tree of Life
World Records Freshwater Fishing
Estimates based on models
Preferred temperature (Ref.
): 14.7 - 18.2, mean 17.4 (based on 12 cells).
Phylogenetic diversity index (Ref.
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00316 (0.00140 - 0.00713), b=3.17 (2.99 - 3.35), in cm Total Length, based on LWR estimates for this Genus-body shape (Ref.
Trophic Level (Ref.
): 3.4 ±0.50 se; Based on food items.
): Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.).
): Very high vulnerability (86 of 100) .
Price category (Ref.
Luna, Susan M.
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