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Teleostei (teleosts) > Ophidiiformes (Cusk eels) > Bythitidae (Livebearing brotulas)
Etymology: Cataetyx: Greek, kata = down + Greek, etix, stixo, stizo = to prick, to puncture; nielseni: Named for Prof. Jørgen Nielsen..

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

Marine; bathypelagic; depth range ? - 265 m (Ref. 58053). Deep-water

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

Southwest Pacific: Heracles Bank, the South-Pacific Rise.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 18.0 cm TL male/unsexed; (Ref. 58053)

Short description Identification keys | Morphology | Morphometrics

Dorsal soft rays (total): 129; Anal soft rays: 93. Distinguished by having a granule-like teeth on jaws; dorsal rays 129; anal rays 93; pectoral rays 30; lateral basibranchial tooth-plates 2 in the insertion of the third pair of gill arches; snout of moderate length (about 4 times HL); large eye (15.9% HL); body dark colored (Ref. 58053).

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

Main reference Upload your references | References | Coordinator | Collaborators

Balushkin, A.V. and A.M. Prokofiev, 2005. A new species of the genus Cataetyx (Ophididiiformes: Bythitidae) from Heracles Banks (South-Pacific Rise). J. Ichthyol. 45(7):541-545. (Ref. 58053)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 15 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Trophic ecology
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Ecology
Ecology

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Length-frequencies
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Life cycle
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Egg(s)
Egg developments
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Distribution
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Anatomy
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Brains
Otoliths

Physiology
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Swimming type
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Visual pigment(s)
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Diseases / Parasites
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Genetics
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Internet sources

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5002 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00457 (0.00179 - 0.01169), b=3.10 (2.87 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-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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Cataetyx nielseni Balushkin & Prokofiev, 2005