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).
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin bathydémersal; profondeur 400 - 800 m (Ref. 55584), usually 549 - 786 m (Ref. 31236). Deep-water
Western Central Atlantic: off northeastern Florida and the Straits of Florida (USA) south to the offings of Nicaragua, Hispaniola, and the northern Lesser Antilles. It has not been collected in the southern Caribbean Sea and only in the southernmost Gulf of Mexico.
Length at first maturity / Taille / Poids / Âge
Maturity: Lm ?, range 26 - ? cm
Max length : 31.0 cm TL mâle / non sexé; (Ref. 31236); 33.8 cm TL (female)
Description synthétique
Morphologie | Morphométrie
Épines dorsales (Total): 2. Dark-colored (Ref. 31236).
Ovoviviparous (Ref. 205).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Distinct pairing with embrace (Ref. 205).
Schofield, P.J. and G.H. Burgess, 1997. Etmopterus robinsi (Elasmobranchii, Etmopteridae), a new Caribbean species of deepwater lantern shark from the Caribbean Sea and western north Atlantic, with a redescription of Etmopterus hillianus. Bull. Mar. Sci. 60(3):1060-1073. (Ref. 31236)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Plus d'informations
Taille/ÂgeCroissanceLongueur-poidsLongueur-longueurFréquences de longueursMorphométrieMorphologieLarvesDynamique des populations larvairesRecrutementAbondanceBRUVS
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Estimates based on models
Preferred temperature (Ref.
123201): 6 - 12.7, mean 7.8 °C (based on 72 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00191 - 0.00758), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 4.1 ±0.5 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Low vulnerability (24 of 100).