Teleostei (teleosts) >
Ophidiiformes (Cusk eels) >
Bythitidae (Livebearing brotulas)
Etymology: Barathronus: Greek, barathron = abyss + ending -ites, that lives there; the Barathron was a deep pit in Athens where criminals were thrown; 1849 +Greek, onos = hake.
Eponymy: The research vessel ‘Anton Bruun’, from which the holotypes of these species were collected, is named after the Danish oceanographer and marine biologist Dr Anton Frederik Bruun (above). [...] (Ref. 128868), visit book page.
More on author: Nielsen.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathypelagic; depth range 0 - 1710 m (Ref. 123477). Deep-water
Southwest Indian Ocean. High Seas only.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 3.9 cm SL (female)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 81; Anal soft rays: 73; Vertebrae: 86. This species is distinguished from the other five Barathronus species with pigmented peritoneum by the following set of characters: D 81, A 73, pectoral-fin rays 25; anterior gill arch with 33 long rakers; vertebrae, precaudal 36, total 86; no ventral flexure of anteriormost vertebrae; vomer with 3 fangs; with a distinct brown streak in midline of body and a concentration of brown pigment between dorsal fin and nape; rounded, 1 mm long otoliths seen through of the skull (Ref. 121928).
Cross section: compressed.
Rare species (Ref. 34024).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Nielsen, J.G., 2019. Revision of the circumglobal genus Barathronus (Ophidiiformes, Bythitidae) with a new species from the eastern North Atlantic Ocean. Zootaxa 4679(2):231-256. (Ref. 121928)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
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