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.
More on authors: Nielsen & Eagle.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathypelagic; depth range 3334 - 3860 m (Ref. 34024). Deep-water
Atlantic and Pacific Oceans.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 11.6 cm SL male/unsexed; (Ref. 121928); 12.8 cm SL (female)
Short description
Identification keys | Morphology | Morphometrics
Dorsal soft rays (total): 63 - 80; Anal soft rays: 55 - 72; Vertebrae: 78 - 89. This species is distinguished by the following characters: a pair of small bulbs at base of penis; with a transparent peritoneum; D 63-80, A 55-72, pectoral-fin rays 22-27; precaudal vertebrae 35-40, total vertebrae 78-89; anterior gill arch with 28-35 long rakers; vomer with 4-8 fangs; small otolith, rounded and thick (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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