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> Ophidiiformes (Cusk eels) > Bythitidae (Livebearing brotulas)
Etymology: iselini: Named for the R/V Columbus Iselin from which a number of deep sea aphyonids have been caught.
Eponymy: ‘Columbus Iselin’ is a research vessel from which this species was caught. (Ref. 128868), visit book page.

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

marina batypelagisk; djupintervall 4279 - 5011 m (Ref. 105129). Deep-water

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Western Central Atlantic: Venezuela and the Sargasso Sea.

Size / Vikt / Age

Maturity: L_m ? range ? - ? cm
Max length : 10.1 cm SL hane/ej könsbestämd; (Ref. 105129); 11.8 cm SL (female)

Short description Bestämningsnycklar | Morfologi | Morfometri

Mjukstrålar i ryggfenan (totalt) : 59 - 65. This species is distinguished from its congeners by the following set of characters: long rakers on first gill arch 11-13; D 59-65, precaudal vertebrae 26-28, preanal length 57-61% SL; height of head 18.5-19.0 % SL (Ref. 105129).

Viviparous with a female (6.1 cm SL) with distinct embryos (Ref. 105129).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

Nielsen, J.G., 2015. Revision of the aphyonid genus Aphyonus (Teleostei: Ophidiiformes) with a new genus and two new species. Zootaxa 4039(2):323-344. (Ref. 105129)

IUCN Red List Status (Ref. 130435: Version 2024-2)

Data deficient (DD) ; Date assessed: 11 October 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fiskeri: saknar intresse

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Ytterligare information

Trophic ecology
Födoslag
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Food rations
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Ecology
Ekologi

Population dynamics
Tillväxtparametrar
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
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Life cycle
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Maturity/Gills rel.
Fecundity
Lek
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Ägg
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Larver
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Distribution
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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = No PD50 data [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).

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

Resiliens (Ref. 120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).

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

Paraphyonus iselini Nielsen, 2015