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Anguilliformes (Eels and morays) >
Synaphobranchidae (Cutthroat eels) > Ilyophinae
Etymology: Dysomma: Greek, dys, dyo = two + Greek, omma = eye; taiwanense: Named for its type locality, Taiwan.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien benthopelagisch; diepte 200 - 400 m (Ref. 106136). Tropical
Western Pacific: Taiwan.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ? range ? - ? cm
Max length : 49.6 cm TL mannelijk / geslacht onbekend; (Ref. 106136)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Wervels: 137 - 139. This species is distinguished by the following characters: with pectoral fin; dorsal-fin origin slightly in front of level of pectoral-fin base; anus is well behind tip of pectoral fin; very short trunk; 2 intermaxillary teeth; 4 compound teeth on vomer; single row of 7-10 large compound teeth on lower jaw; head pores: IO 4, SO 3, M 6, POP 0, AD 1, F 0, ST 0; lateral-line pores: predorsal 4-5, prepectoral 5-7, preanal 9-12, total 40-48, he last to about half of total length; vertebrae: predorsal 9-10, preanal 13-17, total 137-139; MVF 9-15-138; colour of body uniformly brownish, with the lower part of posterior one-eighth of body darker, with black base and margin on rear part of anal fin and lower part of caudal fin (Ref. 106136).
Body shape (shape guide): eel-like; Cross section: circular.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Ho, H.-C., D.G. Smith and K.A. Tighe, 2015. Review of the arrowtooth eel genera Dysomma and Dysommina in Taiwan, with the description of a new species (Anguilliformes: Synaphobranchidae: Ilyophinae). Zootaxa 4060(1):86-104. (Ref. 106136)
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
Speciale rapporten
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00102 (0.00046 - 0.00225), b=3.06 (2.88 - 3.24), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.9 ±0.4 se; based on size and trophs of closest relatives
Kwetsbaarheid van de visserij (Ref.
59153): Moderate vulnerability (40 of 100).
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