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

Actinopterygii (ray-finned fishes) > Acipenseriformes (Sturgeons and paddlefishes) > Acipenseridae (Sturgeons) > Scaphirhynchinae
Etymology: Scaphirhynchus: Greek, skaphe, -eos = boat + Greek, rhyngchos = snout (Ref. 45335); albus: From the word albus, meaning white (Ref. 10294).

Environment / Climate / Range Ecology

Freshwater; demersal; potamodromous (Ref. 51243). Subtropical, preferred ?; 44°N - 30°N

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

North America: nearly restricted to main channels of Missouri River and lower Mississippi River from Montana to Louisiana in USA. International trade restricted (CITES II, since 1.4.98).

Length at first maturity / Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 200 cm TL male/unsexed; (Ref. 58490); common length : 81.7 cm TL male/unsexed; (Ref. 12193); max. published weight: 130.0 kg (Ref. 52332); max. reported age: 41 years (Ref. 32514)

Short description Morphology | Morphometrics

Absence of scalelike scutes on belly; bases of outer barbels usually behind bases of inner barbels (Ref. 86798).

Adults inhabit large, deep, turbid river channels, usually in strong current over firm sand or gravel (Ref. 10294, 58490). They feed on aquatic insect immatures, particularly caddisfly larvae, and small fish (Ref. 10294). Threatened due to over harvesting and habitat loss (Ref. 58490). No length type given but assumed to be in TL.

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

Main reference Upload your references | References | Coordinator | Collaborators

Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott, 1991. Common and scientific names of fishes from the United States and Canada. Am. Fish. Soc. Spec. Pub. (20):183 p. (Ref. 3814)

IUCN Red List Status (Ref. 115185)

Endangered (EN) (A4ce)

CITES (Ref. 94142)

Appendix II:
International trade monitored

Threat to humans

Harmless

Human uses

FAO(fisheries: species profile; publication : search) | FisheriesWiki | Sea Around Us

More information

Countries
FAO areas
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Occurrences
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Ecology
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Common names
Synonyms
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Predators
Ecotoxicology
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Spawning
Fecundity
Eggs
Egg development

Age/Size
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Morphometrics
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Larvae
Larval dynamics
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Summary page | Point data | Common names | Photos

Internet sources

Scaphirhynchus albus (Forbes & Richardson, 1905)