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> Ophidiiformes (Cusk eels) > Bythitidae (Livebearing brotulas)
Etymology: Pseudonus: Greek, pseudes = false + Greek, onos = hake.
More on author: Garman.

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

seewasser bathydemersal; tiefenbereich 915 - 1620 m (Ref. 34024). Deep-water

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Eastern Central Pacific: Gulf of Panama, off Ecuador and northern Peru, Galapagos Is.

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 12.1 cm SL Männchen/unbestimmt; (Ref. 86869)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenweichstrahlen (insgesamt) : 101 - 119; Afterflossenweichstrahlen: 74 - 85; Wirbelzahl: 61 - 63. This species is distinguished by the following characters: D 101-119; A 74-85; vertebrae 61-63; pelvic fin absent (Ref. 86869).

Rare species (Ref. 34024).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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Nielsen, J.G., 2011. Revision of the bathyal fish genus Pseudonus (Teleostei, Bythitidae); P. squamiceps a senior synonym of P. platycephalus, new to Australian waters. Zootaxa 2867:59-66. (Ref. 86869)

IUCN Rote Liste Status (Ref. 130435: Version 2024-1)

nicht bedroht (LC) ; Date assessed: 16 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

Fischereien: nicht kommerziell

FAO - Publication: search | FishSource |

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Estimates based on models

Preferred temperature (Ref. 123201): 3.6 - 4.3, mean 4.1 °C (based on 19 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00447 (0.00172 - 0.01163), 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

Widerstandsfähigkeit (Ref. 120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).

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

Pseudonus acutus Garman, 1899