Elasmobranchii (hajar och rockor) (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: Günther.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina pelagic-oceanic; djupintervall 220 - 1638 m (Ref. 132203), usually 400 - 600 m (Ref. 124555). Deep-water; 29°S - 59°S
Indian Ocean, Southern Pacific and Southern Atlantic (Ref. 106604). Reported from off the western Cape coast but the identity of South African specimens is questionable (Ref. 127434).
Längd vid första mognad / Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - 75 cm
Max length : 67.0 cm TL hane/ej könsbestämd; (Ref. 132178); 94.0 cm TL (female); publicerad maxvikt: 1.7 kg (Ref. 132178); publicerad maxvikt: 1.7 kg
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 2; Taggstrålar i analfenan: 0. A large, heavy-bodied lanternshark with a big head (Ref. 5578), bladelike unicuspidate teeth in lower jaw and teeth with cusps and cusplets in upper jaw, stocky body, conspicuous lines of denticles on body, conspicuous black markings on underside of body and tail, with tail marking short and not extending far posteriorly (Ref. 247). Dark brown or black in color, possibly darker below (Ref. 26346).
Body shape (shape guide): elongated.
Found on outermost continental shelves and upper slopes (Ref. 247). Feeds on bony fishes including lanternfish, barracudina, synaphobranchid eels, oreo dories, hake, rattails, bathylagids, idiacanthids; also on squids (including histioteuthids and ommastrephids), octopuses, euphausiids, mysids, penaeid shrimp, salps, sponges and ribbonworms (Nemertina) (Ref. 124555). Bioluminescence observed, with the dorsal photophores, flank markings, and brighter pectoral fin and claspers are likely to be used for intraspecific communications and the ventrally emitted light is likely to be used for counterillumination (Ref. 123656). Ovoviviparous (Ref. 205), with 10-13 in a litter, size at birth about 18 cm (Ref. 6871) to possibly 30 cm (Ref. 124555), Minimum depth reported taken from Ref. 247.
Ovoviviparous, with 10-13 in a litter (Ref. 6871). Size at birth about 18 cm (Ref. 6871). 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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: saknar intresse
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Särskilda rapporter
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00380 (0.00314 - 0.00460), b=3.07 (3.01 - 3.13), in cm total length, based on LWR estimates for this species (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
4.2 ±0.2 se; based on diet studies. |
Resiliens (Ref. 120179) |
Låg, lägsta populationsfördubblingstid 4,5-14 år (Fec=10). |
Sårbarhet i fisket (Ref. 59153) |
High to very high vulnerability (72 of 100). 🛈 |
Sårbarhet för klimatet (Ref. 125649) |
Low to moderate vulnerability (27 of 100). 🛈 |
Näringsämnen (Ref. 124155) |
Calcium = 7.13 [1.44, 36.37] mg/100g; Iron = 0.343 [0.085, 1.239] mg/100g; Protein = 19.4 [16.8, 21.5] %; Omega3 = 0.328 [0.118, 1.004] g/100g; Selenium = 12.4 [3.4, 39.9] μg/100g; VitaminA = 20.1 [4.0, 113.6] μg/100g; Zinc = 0.385 [0.186, 0.758] mg/100g (wet weight); |