Etmopterus brosei, Barrie's lanternshark

Etmopterus brosei Ebert, Leslie & Weigmann, 2021

Barrie's lanternshark
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Image of Etmopterus brosei (Barrie\
No image available for this species;
drawing shows typical species in Etmopteridae.

Classificatie / Namen Lokale 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)brosei: Named for the late Barrie Rose, affectionately known as 'Brose' to his friends.
Eponymy: ‘Brose’ was a nickname of Barrie Rose (1947–2016), a South African naturalist and tour guide (see Barrie). (Ref. 128868), visit book page.

Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied Ecologie

marien pelagic-oceanic; diepte 480 - 1200 m (Ref. 124468). Subtropical

Verspreiding Gebieden | FAO regio's | Ecosystemen | Voorkomen | Verspreidingskaart | Introducties | Faunafri

Southeast Atlantic and Southwest Indian Ocean: South Africa, southern Mozambique and Madagascar Ridge.

Lengte bij maturiteit / Grootte / Gewicht / Leeftijd

Maturiteit: Lm ?, range 38 - ? cm
Max length : 45.1 cm TL mannelijk / geslacht onbekend; (Ref. 124468); 50.9 cm TL (female)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Wervels: 85 - 88. This relatively large linear-denticled lanternshark of the E. lucifer clade is distinguished from all other clade members, except for three species, by an anterior flank marking branch longer than its posterior branch; differs from its closest congener E. sculptus by an indistinct color gradation between the flank and abdomen (vs. a sharp demarcation between the flank and abdomen), a V-shape arrangement of ampullae on the ventral snout surface with evenly distributed dermal denticles (vs. U-shape with sparse denticle coverage, dorsal fins densely covered with dermal denticles (vs. sparse or mostly bare dorsal fins), higher vertebral count 85-88 (vs. 78-85), and spiral valve turn 11 (vs. 8-9) counts; differs from the other two closest species, E. lailae and E. lucifer, by a longer posterior flank marking branch extending to or beyond the end of the second dorsal fin free rear tip (vs. shorter branch not reaching the rear tip), an upper caudal lobe with a dark terminal band or spot, which is absent in these other two species, and biogeography with the new species occurring in the southern African region (vs. the central and western Pacific Ocean) (Ref. 124468).
Body shape (shape guide): fusiform / normal; Cross section: oval.

Biologie     Verklarende woordenlijst (bv. epibenthic)

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

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Ebert, D.A., R.W. Leslie and S. Weigmann, 2021. Etmopterus brosei sp. nov.: a new lanternshark (Squaliformes: Etmopteridae) from the southeastern Atlantic and southwestern Indian oceans, with a revised key to the Etmopterus lucifer clade. Marine Biodiversity 51(53):1-17. (Ref. 124468)

Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))

  Niet bedreigd (LC) ; Date assessed: 07 March 2022

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

Visserij: van geen belang
FAO - Publication: search | FishSource |

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Schattingen op basis van modellen

Fylogenetische diversiteitsindex
(Ref. 82804)
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
Trofisch niveau
(Ref. 69278)
4.2   ±0.6 se; based on size and trophs of closest relatives
Weerstandsvermogen
(Ref. 120179)
laag, minimale populatieverdubbelingstijd 4,5-14 jaar (Preliminary K or Fecundity.).
Kwetsbaarheid van de visserij
(Ref. 59153)
High vulnerability (57 of 100). 🛈