Élasmobranches (requins et raies) (sharks and rays) >
Squaliformes (Sleeper and dogfish sharks) >
Etmopteridae (Lantern sharks)
Etymology: Etmopterus: Greek, ethmos, -ou = sieve or ethmoides bone + Greek, pteron = wing, fin (Ref. 45335).
More on author: Lowe.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin bathydémersal; océanodrome (Ref. 51243); profondeur 0 - 1120 m (Ref. 106604), usually 400 - 700 m (Ref. 36731). Deep-water; 45°N - 55°S, 98°W - 171°W
Western Atlantic: northern Gulf of Mexico and southern Brazil to Argentina (Ref. 247, 6871); one specimen collected off the Guianas (Ref. 13608). Eastern Atlantic: Portugal to Namibia (Ref. 247, 127434). Also in oceanic waters between Argentina and South Africa (Ref. 247). Western Indian Ocean: South Africa, and Arabian Sea (Ref.85183). Western Pacific: Australia (Ref. 6871), New Zealand (Ref. 26346), and Japan (Ref. 247). Southeast Pacific: Amber Seamount, Nasca and Sala-y-Gomez.
Longueur à la première maturité / Taille / Poids / Âge
Maturité: Lm 42.5, range 38 - 47 cm
Max length : 50.0 cm TL mâle / non sexé; (Ref. 36731)
Épines dorsales (Total) : 2; Épines anales: 0. Bladelike unicuspidate teeth in lower jaw and teeth with cusps and cusplets in upper jaw, relatively short snout, low, truncated denticles (Ref. 247). Blackish brown dorsally, with an obscure broad black mark running above, in front and behind pelvic fins (Ref. 247).
Body shape (shape guide): elongated.
Found on or near the bottom of continental and insular slopes at depths from 275 to 1,000 m (possibly to 2,000 m); also oceanic in the south Atlantic from the surface to 710 m (Ref. 6871), possibly as deep as 1998 m (Ref. 58302). Feeds on fish eggs, lanternfish, squid, and other small dogfish (Ref. 5578). Ovoviviparous (Ref. 205). Utilized dried salted for human consumption and for fishmeal (Ref. 247).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Ovoviviparous (Ref. 247). 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 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: intérêt commercial mineur
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Température préférée (Réf.
123201): 5.3 - 13.6, mean 8.9 °C (based on 409 cells).
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00355 (0.00233 - 0.00541), b=3.04 (2.91 - 3.17), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 4.2 ±0.4 se; based on diet studies.
Résilience (Réf.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Fec assumed to be <100).
Vulnérabilité de la pêche (Ref.
59153): Moderate vulnerability (40 of 100).
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Nutriments (Ref.
124155): Calcium = 11 [2, 59] mg/100g; Iron = 0.361 [0.083, 1.174] mg/100g; Protein = 19.3 [16.7, 21.6] %; Omega3 = 0.335 [0.121, 1.064] g/100g; Selenium = 12.6 [3.9, 37.7] μg/100g; VitaminA = 19 [4, 88] μg/100g; Zinc = 0.336 [0.161, 0.660] mg/100g (wet weight);