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Gadiformes (Cods) >
Trachyrincidae (Armoured grenadiers)
Etymology: Trachyrincus: Greek, trachys, -eia, -ys = rough + Greek, rhyngchos = snout (Ref. 45335).
Eponymy: Luis Villegas was a marine biologist at the Department of Fisheries, University of Valparaiso, Peru. (Ref. 128868), visit book page.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina djupbottenlevande; ej vandrande; djupintervall 250 - 980 m (Ref. 1371). Deep-water; 5°S - 30°S, 85°W - 70°W (Ref. 1371)
Southeast Pacific: northern Peru to central Chile.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 44.0 cm TL hane/ej könsbestämd; (Ref. 1371)
Taggstrålar i ryggfenan (totalt) : 0; Taggstrålar i analfenan: 0. Snout long, sharply pointed, broad in juveniles becoming narrower and relatively long in adults. Scute-like scales bluntly pointed and denticulate; scales deeply embedded and covered with thick skin, the margins obscure. Row of enlarged scute-like scales along the base of the anal fin does not extend forward of anus. Overall color is grayish.
Body shape (shape guide): elongated; Cross section: oval.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Cohen, D.M., T. Inada, T. Iwamoto and N. Scialabba, 1990. FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 125(10). Rome: FAO. 442 p. (Ref. 1371)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: mindre kommeriell
Verktyg
Särskilda rapporter
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5176 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00316 (0.00122 - 0.00820), b=3.13 (2.90 - 3.36), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.5 ±0.4 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Low to moderate vulnerability (35 of 100). 🛈 |
Priskategori (Ref. 80766) |
Medium.
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