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Acipenser brevirostrum  Lesueur, 1818

Shortnose sturgeon
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Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Acipenseriformes (Sturgeons and paddlefishes) > Acipenseridae (Sturgeons) > Acipenserinae
Etymology: Acipenser: Latin, acipenser = sturgeon, 1853 (Ref. 45335).   More on author: Lesueur.

Environment / Climate / Range Ecology

Marine; freshwater; brackish; demersal; anadromous (Ref. 51243); depth range 6 - 53 m (Ref. 93286), usually 6 - 34 m (Ref. 93286).   Subtropical; 49°N - 28°N, 82°W - 65°W (Ref. 54259)

Length at first maturity / Size / Weight / Age

Maturity: Lm ?, range 45 - 55 cm
Max length : 143 cm TL male/unsexed; (Ref. 6866); common length : 50.0 cm TL male/unsexed; (Ref. 12193); max. published weight: 23.0 kg (Ref. 6866); max. reported age: 67 years (Ref. 6866)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 33-42; Anal spines: 0; Anal soft rays: 18 - 24. Snout short, bluntly V-shaped, not upturned at tip. Barbels short (Ref. 7251). Absence of fontanelle and post dorsal shields. Single row of pre anal shields, 6-11 (Ref. 4639). Dorsal shields 7-13, lateral shields 22-34 (Ref. 4639). Blackish viscera (Ref. 37032). Head and back dark, lower surface white (Ref. 37032). Anal fin origin beneath dorsal fin origin (Ref. 86798).

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

North America: St. John River in Canada to St. Johns River in Florida, USA. International trade banned (CITES I since 1.7.75).

Biology     Glossary (e.g. epibenthic)

Inhabit river mouths, lakes, estuaries, and bays; occasionally enters the open sea. Maximum known age is 67 years for females and 30 years for males. Flesh of good quality; eggs are suitable for caviar (Ref. 3192).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)

IUCN Red List Status (Ref. 96402)

  Vulnerable (VU) (A2ce; B1ab(iii))

CITES (Ref. 94142)

Threat to humans

  Harmless




Human uses

Fisheries: minor commercial; gamefish: yes; aquarium: public aquariums
FAO(fisheries: species profile; publication : search) | FisheriesWiki | Sea Around Us

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Trophic Level (Ref. 69278):  3.3   ±0.39 se; Based on food items.
Resilience (Ref. 69278):  Very Low, minimum population doubling time more than 14 years (K=0.04; tm=14-17; tmax=67; Fec=48,000).
Vulnerability (Ref. 59153):  Very high vulnerability (84 of 100) .
Price category (Ref. 80766):   Unknown.