Elasmobranchii (hajar och rockor) (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); whitneyi: In honor of American fisheries biologist Richard R. Whitney (1927-2011), for his teachings and guidance during the author’s study of sharks (See ETYFish).
Eponymy: Dr Richard R Whitney (1927–2011) was a fisheries biologist. [...] (Ref. 128868), visit book page.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina bottenlevande; djupintervall 16 - 211 m, usually 70 - 100 m (Ref. 9253). Tropical; 1°N - 45°S, 83°W - 70°W
Southeast Pacific: Ecuador to southern Chile.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 87.0 cm TL (female)
An offshore bottom-dwelling shark found on the continental shelf. Prefers rocky bottom around islands. Feeds on crabs, mantis shrimp, and small bony fishes. Viviparous, with 5 to 10 young per litter. Size at birth about 25 cm.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Viviparous (Ref. 244). Distinct pairing with embrace (Ref. 205).
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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: kommersiellt viktig; sportfisk: ja
Verktyg
Särskilda rapporter
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Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00229 (0.00106 - 0.00496), b=3.14 (2.97 - 3.31), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.7 ±0.0 se; based on diet studies. |
Resiliens (Ref. 120179) |
Mycket låg, lägsta populationsfördubblingstid mer än 14 år (Fec=4). |
Sårbarhet i fisket (Ref. 59153) |
Moderate to high vulnerability (48 of 100). 🛈 |
Priskategori (Ref. 80766) |
Medium.
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Näringsämnen (Ref. 124155) |
Calcium = 33.5 [9.6, 163.5] mg/100g; Iron = 0.511 [0.154, 1.840] mg/100g; Protein = 21 [19, 23] %; Omega3 = 0.0958 [, ] g/100g; Selenium = 83 [22, 289] μg/100g; VitaminA = 13.1 [5.0, 32.5] μg/100g; Zinc = 0.954 [0.422, 1.897] mg/100g (wet weight); |