Acipenser naccarii, Adriatic sturgeon : fisheries

Acipenser naccarii Bonaparte, 1836

Adriatic sturgeon
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Acipenser naccarii   AquaMaps   Data sources: GBIF OBIS
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Image of Acipenser naccarii (Adriatic sturgeon)
Acipenser naccarii
Picture by Andreoli, R.

Classification / Names Populärnamn | synonymer | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (strålfeniga fiskar) > Acipenseriformes (Sturgeons and paddlefishes) > Acipenseridae (Sturgeons) > Acipenserinae
Etymology: Acipenser: Latin, acipenser = sturgeon, 1853 (Ref. 45335).  More on author: Bonaparte.

Environment: milieu / climate zone / depth range / distribution range Ekologi

; marina; sötvatten; brackvatten bottenlevande; anadrom (Ref. 51243); djupintervall 10 - 40 m (Ref. 93286).   Temperate; 46°N - 37°N, 10°E - 20°E

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

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 (CITES II, since 1.4.98; CMS 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 / Vikt / Age

Maturity: Lm ?  range ? - ? cm
Max length : 200 cm TL hane/ej könsbestämd; (Ref. 3397); publicerad maxvikt: 25.0 kg (Ref. 3193)

Short description Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt): 0; Mjukstrålar i ryggfenan (totalt): 36-48; Mjukstrålar i analfenan: 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.

Biologi     Ordlista (t.ex. epibenthic)

Occurs in the sea close to shore and estuaries, not entering pure marine waters. In freshwater, it inhabits large deep rivers (Ref. 59043). 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. 26100). The flesh is used for food but the eggs are not consumed as caviar (Ref. 6866).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Enters rivers from March to May, and presumably spawns then.

Main reference Upload your references | referenser | Koordinator | Medarbetare

Kottelat, M. and J. Freyhof, 2007. Handbook of European freshwater fishes. Publications Kottelat, Cornol and Freyhof, Berlin. 646 pp. (Ref. 59043)

IUCN Red List Status (Ref. 123251)

  Critically Endangered (CR) (A2bcde; B2ab(i,ii,iii,iv,v)); Date assessed: 24 October 2009

CITES (Ref. 118484)


Threat to humans

  Harmless





Human uses

Fiskeri: kommersiell
FAO(Vattenbruk: produktion; fiskeri: species profile; publication : search) | FishSource |

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Estimates based on models

Preferred temperature (Ref. 115969): 14.7 - 18.2, mean 17.4 °C (based on 12 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00316 (0.00141 - 0.00709), b=3.17 (2.99 - 3.35), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trofisk nivå (Ref. 69278):  3.4   ±0.50 se; based on food items.
Resiliens (Ref. 120179):  Mycket låg, lägsta populationsfördubblingstid mer än 14 år (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Very high vulnerability (86 of 100) .
Price category (Ref. 80766):   Unknown.