Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
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); westraliensis: Name 'westraliensis' from the type locality of the species, western Australia. A noun in apposition.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathydemersal; depth range 362 - 610 m (Ref. 138111). Tropical
Eastern Indian Ocean: Australia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.1 cm TL (female)
Short description
Identification keys | Morphology | Morphometrics
This species is distinguished from its congeners by the following set of characters: hook-like denticles; dorsal fins covered with denticles (except in juveniles); origin of the flank-marking base well anterior to the second dorsal-fin origin; underside of snout with a reversed ‘W’-shaped naked area; length of the ventral portion of caudal-base marking much longer than its width; and caudal-base marking 9.5%-10.0% TL, with tip tapering (Ref. 138111).
Body shape (shape guide): elongated.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Ng, S.-L., W.T. White, K.-M. Liu and S.-J. Joung, 2025. Etmopterus westraliensis, a new species of lanternshark (Squaliformes: Etmopteridae) from Western Australia, with redescription of Etmopterus brachyurus. J Fish Biol. 2025;1-18. (Ref. 138111)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
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