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> Acipenseriformes (Sturgeons and paddlefishes) > Acipenseridae (Sturgeons) > Scaphirhynchinae
Etymology: Scaphirhynchus: Greek, skaphe, -eos = boat + Greek, rhyngchos = snout (Ref. 45335); platorynchus: From the words platy, meaning broad and rynchus, meaning snout (Ref. 10294).
More on author: Rafinesque.

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

; acqua dolce demersale; potamodromo (Ref. 51243). Temperate; 10°C - 20°C (Ref. 2060); 50°N - 30°N

Distribuzione Stati | Aree FAO | Ecosystems | Presenze | Point map | Introduzioni | Faunafri

North America: USA in Mississippi River basin from west Pennsylvania to Montana and south to Louisiana; Mobile Bay drainage, Alabama and Mississippi; upper Rio Grande, New Mexico.

Length at first maturity / Size / Peso / Age

Maturity: L_m 54.7, range 45 - ? cm
Max length : 108 cm TL maschio/sesso non determinato; (Ref. 86798); common length : 72.0 cm TL maschio/sesso non determinato; (Ref. 12193); peso massimo pubblicato: 4.9 kg (Ref. 4699); Età massima riportata: 43 anni (Ref. 50937)

Short description Chiavi di identificazione | Morfologia | Morfometria

Bases of outer barbels in line with or ahead of inner barbels (Ref. 86798).

Occurs in the bottom of main channels and embayments of large turbid rivers; frequently in flowing water over sand and mixed with gravel and mud. Feeds primarily on larvae of aquatic insects (especially burrowing mayflies, caddis larvae and midge larvae (Ref. 10294)), worms, and crustaceans (Ref. 50937). Spawning occurs from April to June in large rivers in areas of swift current and coarse substrates (Ref. 10294).

Life cycle and mating behavior Maturities | Riproduzione | Spawnings | Egg(s) | Fecundities | Larve

Main reference Upload your references | Bibliografia | Coordinatore | Collaboratori

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. Publ. (20):183 p. (Ref. 3814)

IUCN Red List Status (Ref. 130435)

Vulnerabile, vedi Lista Rossa IUCN (VU) (A2bce); Date assessed: 14 September 2019

CITES

Appendix II: International trade monitored

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Pesca: commerciale; Pesce da pesca sportiva: si; Acquario: Acquari pubblici

FAO - pesca: species profile; Publication: search | FishSource |

Informazioni ulteriori

Trophic ecology
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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00407 (0.00149 - 0.01114), b=3.16 (2.92 - 3.40), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.5 ±0.3 se; based on diet studies.

Resilienza (Ref. 120179): Molto basso, tempo minimo di raddoppiamento della popolazione più di 14 anni (tm=5; tmax=37-43; K=0.13).

Fishing Vulnerability (Ref. 59153): High to very high vulnerability (69 of 100).

Price category (Ref. 80766): Unknown.

Scaphirhynchus platorynchus (Rafinesque, 1820)