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Teleostei (teleosts) > 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..

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

Marine; bathypelagic; depth range 4279 - 5011 m (Ref. 105129). Deep-water

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

Western Central Atlantic: Venezuela and the Sargasso Sea.

Size / Weight / Age

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

Short description Identification keys | Morphology | Morphometrics

Dorsal soft rays (total): 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 Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

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)

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

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Ecology
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Internet sources

Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = No PD50 data [Uniqueness, from 0.5 = low to 2.0 = high].

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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Paraphyonus iselini Nielsen, 2015