Teleostei (teleosts) >
Anguilliformes (Eels and morays) >
Synaphobranchidae (Cutthroat eels) > Ilyophinae
Etymology: Dysomma: Greek, dys, dyo = two + Greek, omma = eye.
More on author: Barnard.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; benthopelagic; depth range 30 - 270 m (Ref. 11230). Tropical
Widespread in the Indo-West Pacific: and Atlantic.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 60.0 cm TL male/unsexed; (Ref. 124490)
Vertebrae: 119 - 130. This species is distinguished by the following characters: presence of pectoral fin; dorsal-fin origin is slightly anterior to pectoral-fin base, predorsal length 10.7-13.1% TL; anus anterior, below tip of pectoral fin, preanal length 15.9-18.9% TL; very short trunk, 2.8-5.5% TL; intermaxillary teeth 2; compound teeth on vomer 4; single row of 9-11 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 3-6, prepectoral 6-9, preanal 8-12, total 57-75, the last at posterior two-thirds of total length; MVF 8-14-124, total vertebrae 119-128 (up to 130 in Robins & Robins, 1989) (Ref. 106136).
Body shape (shape guide): eel-like; Cross section: oval.
Inhabits coastal waters. Prefers muddy bottoms, often off mouths of large rivers.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Castle, P.H.J., 1986. Synaphobranchidae. p. 188-190. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 3973)
IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))
Threat to humans
Harmless
Human uses
Fisheries: of no interest
Tools
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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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). |
Trophic level (Ref. 69278) |
4.0 ±0.4 se; based on size and trophs of closest relatives |
Fishing Vulnerability (Ref. 59153) |
Low to moderate vulnerability (28 of 100). 🛈 |