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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); dianthus: From the pinkish upper body coloration. More on authors: Last, Burgess & Séret.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; pelagic-oceanic; depth range 108 - 880 m (Ref. 45056). Deep-water

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Pacific: Australia and New Caledonia.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 40.9 cm TL male/unsexed; (Ref. 45056); 40.8 cm TL (female)

Short description Morphology | Morphometrics

Vertebrae: 79 - 85. Body soft fusiform, stout, subcylindrical. Dorsal and ventral coloration moderately contrasted; upper surface pinkish before preservation. Head relatively short (usually < 21% TL). Mouth broad, subequal to eye length. Eyes narrow; upper eyelid without pale naked patch. First dorsal fin well behind rear tip of pectoral fin. Caudal peduncle short (ca 1.6-2 times greatest horizontal length of D1 including spine, <1/6 of TL). Denticles minute, bristle-like, mostly randomly arranged. Flank-marking with posterior branch truncate; anterior part of caudal base marking not extended anteriorly; central caudal marking absent. Monospondylous centra 40-43 (Ref. 45056).

Ovoviviparous (Ref. 205).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Distinct pairing with embrace (Ref. 205).

Main reference Upload your references | References | Coordinator | Collaborators

Last, P., G.H. Burgess and B. Séret, 2002. Description of six new species of lantern-sharks of the genus Etmopterus (Squaloidea: Etmopteridae) from the Australasian region. Cybium 26(3):203-223. (Ref. 45056)

IUCN Red List Status (Ref. 123251)

Least Concern (LC) ; Date assessed: 27 April 2015

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO(Publication : search) | FishSource |

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Estimates based on models

Preferred temperature (Ref. 115969): 12.9 - 19.4, mean 15.7 °C (based on 32 cells).

Phylogenetic diversity index (Ref. 82805): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00380 (0.00178 - 0.00811), b=3.08 (2.89 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 4.1 ±0.4 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).

Vulnerability (Ref. 59153): Low to moderate vulnerability (34 of 100) .

Entered by Capuli, Estelita Emily

Modified by Bailly, Nicolas

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Etmopterus dianthus Last, Burgess & Séret 2002