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Anguilliformes (Eels and morays) >
Synaphobranchidae (Cutthroat eels) > Ilyophinae
Etymology: Dysomma: Greek, dys, dyo = two + Greek, omma = eye; longirostrum: Specific name refers to its long snout.
Environment: milieu / Klimaatzone / Diepte / distribution range
Ecologie
marien benthopelagisch; diepte 100 - 150 m (Ref. 39632). Temperate
Western Pacific: Taiwan and New Caledonia.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ? range ? - ? cm
Max length : 28.5 cm TL mannelijk / geslacht onbekend; (Ref. 106136)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Wervels: 130. This species is characterized by the following: with pectoral fin; origin of dorsal fin above tip of pectoral fin, predorsal length 17.9-18.6% TL; without intermaxillary teeth; snout very long, its length 25.7-32.1% HL; jaw long and slender, upper jaw length 42.0-52.1% HL; anus posterior, far behind pectoral fin, preanal length 24.0-24.3% TL; trunk is moderately long, trunk length 9.7-10.3% TL; upper jaw with multiple rows of teeth on upper jaw; multiple rows of small teeth on lower jaw, those on inner row larger than the rest; vomer with 5 compound teeth; head pores: SO 5, IO 8 (2 between nostrils, 2 below eye, 4 behind eye), M 7, POP 2, AD 1, ST 0, F 1; lateral-line pores: predorsal 11, prepectoral 3-6, preanal 20, total ca. 77 or ca. 96, the last at 2/3 HL before caudal fin; MVF 14-24-130 (holotype only); colour of body uniformly brown when preserved (Ref. 39632, 106136).
Body shape (shape guide): eel-like; Cross section: oval.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Chen, Y.-Y. and H.-K. Mok, 2001. A new synaphobranchid eel, Dysomma longirostrum (Anguilliformes: Synaphobranchidae), from the northeastern coast of Taiwan. Zool. Stud. 40(2):79-83. (Ref. 39632)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
Tools
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Estimates based on models
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): 3.7 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (19 of 100).
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