Classificatie / Namen
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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.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien bathypelagisch; diepte 4279 - 5011 m (Ref. 105129). Deep-water
Western Central Atlantic: Venezuela and the Sargasso Sea.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 10.1 cm SL mannelijk / geslacht onbekend; (Ref. 105129); 11.8 cm SL (female)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale zachte stralen (totaal) : 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).
Cross section: compressed.
Viviparous with a female (6.1 cm SL) with distinct embryos (Ref. 105129).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
Tools
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00468 (0.00186 - 0.01174), b=3.03 (2.81 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
3.4 ±0.5 se; based on size and trophs of closest relatives |
Weerstandsvermogen (Ref. 120179) |
Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low vulnerability (23 of 100). 🛈 |