Etmopterus marshae, Marsha’s lanternshark

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Etmopterus marshae Ebert & Van Hees, 2018

Marsha’s lanternshark
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Image of Etmopterus marshae (Marsha’s lanternshark)
No image available for this species;
drawing shows typical species in Etmopteridae.

Classificatie / Names Populaire namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

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);  marshae: Named for Marsha Englebrecht for her innovative contributions to the field of elasmobranch husbandry..

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

; marien; diepteverspreiding 322 - 337 m (Ref. 119149). Deep-water

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Western Pacific: the Philippines.

Size / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 23.4 cm TL mannelijk/geslacht niet bekend; (Ref. 119149); 19.2 cm TL (female)

Korte beschrijving Morfologie | Morfometrie

This species is a relatively small, slender, linear-denticled Etmopterus which can be distinguished from its closest congeners within the E. lucifer clade by the following set of characters: length of its luminescent lateral flank marking branches being relatively equal in length (anterior and posterior flank branches about equal in length); differs from the other species with relatively equal branch lengths (E. burgessi, E. evansi, E. pycnolepis) by having a whitish cheek blotch, purplish lateral body colouration sharply becoming black below line between pectoral and pelvic fins, its distinct pattern of paired dashes along the upper body and between pectoral and pelvic fins and the dark and light banding pattern on its caudal fin, and the central and upper caudal marking lengths distinctly different from the other 3 closely related species (Ref. 119149).

Biologie     Verklarende woordenlijst (b.v. epibenthic)

Occurs on sandy bottom. A 21.3 cm TL male was found to be maturing; birth size uncertain with 3 smallest individuals (9.7-11.6 cm TL) and the smallest with scar slightly open suggesting closeness to birth size (Ref. 119149).

Life cycle and mating behavior Geslachtsrijpheid | Voortplanting | Kuitschieten | Eieren | Fecundity | Larven

Voornaamste referentie Upload your references | Referenties | Coördinator | Medewerkers

Ebert, D.A. and K.E. Van Heels, 2018. Etmopterus marshae sp. nov, a new lanternshark (Squaliformes: Etmopteridae) from the Philippine Islands, with a revised key to the Etmopterus lucifer clade. Zootaxa 4508(2):197-210. (Ref. 119149)

Status op de Rode Lijst van het IUCN (Ref. 125652)

  Niet bedreigd (LC) ; Date assessed: 22 November 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaarlijk voor mensen

  Harmless





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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00363 (0.00181 - 0.00728), b=3.10 (2.93 - 3.27), in cm total length, based on LWR estimates for this Genus-BS (Ref. 93245).
Trophic level (Ref. 69278):  3.9   ±0.5 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref. 120179):  Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (13 of 100) .
Climate Vulnerability (Ref. 125649):   (0 of 100) .