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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.
Environment: milieu / climate zone / depth range / distribution range
Οικολογία
Θαλασσινό(ά) βαθύβιο(ς); μη μεταναστευτικό(ά); εύρος βάθους 250 - 980 m (Ref. 1371). Deep-water; 5°S - 30°S, 85°W - 70°W (Ref. 1371)
Southeast Pacific: northern Peru to central Chile.
Μέγεθος / Βάρος / Age
Maturity: Lm ? range ? - ? cm
Max length : 44.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 1371)
Ραχιαίες άκανθες (συνολικά) : 0; Εδρικές άκανθες: 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.
Life cycle and mating behavior
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
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)
IUCN Red List Status (Ref. 130435: Version 2024-2)
Threat to humans
Harmless
Human uses
αλιεία: περιορισμένης εμπορικότητας
Εργαλεία
Special reports
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Διαδικτυακές πηγές
Estimates based on models
Preferred temperature (Ref.
123201): 1.9 - 4.4, mean 2.4 °C (based on 38 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00309 (0.00119 - 0.00804), b=3.12 (2.90 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 3.5 ±0.4 se; based on size and trophs of closest relatives
Ελαστικότητα (Ref.
120179): Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (34 of 100).
