Etmopterus samadiae White, Ebert, Mana & Corrigan, 2017
Papuan lanternshark

Family:  Etmopteridae (Lantern sharks)
Max. size:  26.5 cm TL (male/unsexed); 27.7 cm TL (female)
Environment:  bathypelagic; marine; depth range 340 - 785 m
Distribution:  Western Pacific: Papua New Guinea.
Diagnosis:  Vertebrae: 80-86. This relatively small, slender, species of linear-denticled Etmopterus can be distinguished from its closest congeners within the E. lucifer clade by the following set of characters: length of its anterior flank markings slightly shorter than its posterior branch; long caudal base marking; irregular and variable number of black, horizontal, dash-like marks on sides of body; differs from E. brachyurus in having a shorter posterior caudal marking (2.8-4.4 vs. 4.2-6.1% TL), longer caudal base marking (10.6-14.1 vs. 7.0-7.8% TL), and flank marking with a slightly shorter posterior branch (9.1-11.2 vs. 11.4-12.6% TL) (Ref. 116206).
Biology:  The female individual (27.7 cm TL) was found to be pregnant and the 2 males (23 cm and 26.5 cm TL) were determined to be mature (Ref. 116206).
IUCN Red List Status: Least Concern (LC); Date assessed: 21 November 2019 Ref. (130435)
Threat to humans:  harmless

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