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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.

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

Marine; bathypelagic; depth range 579 - 2030 m (Ref. 121928). Deep-water

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Indo-West Pacific: Madagascar to Japan and Tonga.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 10.1 cm SL male/unsexed; (Ref. 121928)

Short description Identification keys | Morphology | Morphometrics

Dorsal soft rays (total): 58 - 73; Anal soft rays: 48 - 61; Vertebrae: 66 - 75. s from the other five species of the genus with dark-pigmented peritoneum by the following combination of characters: D 58-73, A 48-61; anterior gill arch with 25-35 long rakers; vertebrae, precaudal 30-35, total 66-75; vomer with 1-5 fangs; paired bulbs at basis of penis not developed; no ventral flexure of anteriormost vertebrae; ripe males have rather thick penis; fresh specimens bright red while preserved ones light-brownish with dark-blue peritoneum; its otolith similar to that of B. bicolor (Ref. 121928).

Rare species (Ref. 34024).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

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)

Least Concern (LC) ; Date assessed: 16 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: of no interest

FAO - Publication: search | FishSource |

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Trophic ecology
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Food consumptions
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Predators

Ecology
Ecology

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Length-length rel.
Length-frequencies
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Life cycle
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Maturities
Fecundities
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Egg(s)
Egg developments
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Distribution
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Anatomy
Gill areas
Brains
Otoliths

Physiology
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Swimming type
Swimming speeds
Visual pigment(s)
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Diseases / Parasites
Toxicities (LC50s)

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Genetics
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Estimates based on models

Preferred temperature (Ref. 123201): 2.9 - 5.9, mean 4.6 °C (based on 458 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.4 ±0.5 se; based on size and trophs of closest relatives

Resilience (Ref. 120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

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