Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (Haie und Rochen) (sharks and rays) > Carcharhiniformes (Ground sharks) > Triakidae (Houndsharks) > Triakinae
Etymology: Mustelus: Latin for weasel, an ancient name for sharks, possibly referring to the pointed snouts, swift movements and/or rapacious feeding behavior of smaller predatory sharks [strictly not tautonymous with Squalus mustelus Linnaeus 1758 since type was designated by the ICZN]. (See ETYFish); norrisi: In honor of American zoologist Harry Waldo Norris (1862-1946), Grinnell College (Iowa), who studied the cranial nerves of the Spiny Dogfish Squalus acanthias. (See ETYFish).

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

seewasser demersal; tiefenbereich 1 - 100 m (Ref. 55584), usually 3 - 40 m (Ref. 55311). Subtropical; 32°N - 36°S, 99°W - 47°W (Ref. 55311)

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Western Atlantic: Florida, USA and the northern Gulf of Mexico to Venezuela; also southern Brazil.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 110 cm TL Männchen/unbestimmt; (Ref. 40637); common length : 80.0 cm TL Männchen/unbestimmt; (Ref. 5217); max. veröff. Gewicht: 13.8 kg (Ref. 40637)

Found on the continental shelves, on muddy or sandy bottoms to about 80 m depth. Feeds on crabs and shrimps, and also bony fishes. Viviparous (with a yolk-sac placenta), with 7 to 14 young in a litter. Size at birth 30 cm.

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Viviparous (with a yolk-sac placenta) (Ref. 244). Distinct pairing with embrace (Ref. 205).

Hauptreferenz Upload your references | Referenzen | Koordinator : Compagno, Leonard J.V. | Partner

Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)

IUCN Rote Liste Status (Ref. 130435)

Gefährdung zunehmend (NT) (A2bd); Date assessed: 21 June 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

Fischereien: weniger kommerziell

FAO - Publication: search | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 123201): 22.6 - 28, mean 25.7 °C (based on 450 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00170 (0.00096 - 0.00301), b=3.11 (2.96 - 3.26), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.9 ±0.67 se; based on food items.

Widerstandsfähigkeit (Ref. 120179): sehr niedrig, Verdopplung der Population dauert mehr als 14 Jahre. (Fec=7).

Fishing Vulnerability (Ref. 59153): High to very high vulnerability (66 of 100).

Preiskategorie (Ref. 80766): Medium.

Mustelus norrisi Springer, 1939