Elasmobranchii (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
Ecology
Marine; bathydemersal; depth range 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 / Size / Weight / Age
Maturity: Lm ?, range 26 - ? cm
Max length : 31.0 cm TL male/unsexed; (Ref. 31236); 33.8 cm TL (female)
Ovoviviparous (Ref. 205).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
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)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
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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).
Trophic level (Ref.
69278): 4.1 ±0.5 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Low vulnerability (24 of 100).