Elasmobranchii (haaien en roggen) (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
Ecologie
marien bathydemersaal; diepte 200 - 500 m (Ref. 247). Deep-water; 0°S - 31°S, 30°E - 51°E
Western Indian Ocean: Kenya to South Africa, including Madagascar (Ref. 5578).
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - 27 cm
Max length : 27.0 cm TL mannelijk / geslacht onbekend; (Ref. 247)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 2; Anale stekels: 0. A slim lanternshark with 2 longitudinal rows of greatly enlarged, hooked denticles along the flanks; other denticles small, conical and not arranged in lines (Ref. 5578). Grayish black above, underside black with an elongated broad black mark above, in front of and behind the pelvic fins; other elongated black marks at base and along axis of caudal fin (Ref. 5578).
Found on the upper slope, on or near the bottom (Ref. 5578). Length recorded is from an immature specimen; size of adults unknown (Ref. 247). Ovoviviparous (Ref. 205).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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 op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
Tools
Speciale rapporten
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Estimates based on models
Preferred temperature (Ref.
123201): 11.6 - 16.4, mean 14.2 °C (based on 13 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00194 - 0.00745), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 4.0 ±0.5 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Low vulnerability (17 of 100).
