Actinopterygii (ray-finned fishes) > Anguilliformes
(Eels and morays) > Synaphobranchidae
(Cutthroat eels) > Ilyophinae
Etymology: Ilyophis: Greek, ilyos, -ou = cave + Greek, ophis = serpent (Ref. 45335). More on author: Gilbert.
Environment / Climate / Range
Marine; bathypelagic; depth range 450 - 3120 m (Ref. 26895). Deep-water; 3°C - 5°C (Ref. 26895); 51°N - 42°S, 180°W - 180°E
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 58.0 cm TL male/unsexed; (Ref. 3973)
Morphology | Morphometrics
Dark brown tinged with violet on snout (Ref. 3973).
Atlantic, Indian and Pacific (Ref. 5235). Circumtropical, except the Northeast Pacific (Ref. 26895).
Found along the slope and upper abyssal zone. Feeds on annelids and crustaceans.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Smith, D.G. and P.H.J. Castle, 1990. Synaphobranchidae. p. 195-198. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 1. (Ref. 5235)
IUCN Red List Status (Ref. 96402)
CITES (Ref. 94142)
Threat to humans
Fisheries: of no interest
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5156 [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), based on all LWR estimates for this body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.2 ±0.37 se; Based on food items.
Resilience (Ref. 69278
): Low, minimum population doubling time 4.5 - 14 years (Assuming tmax>10).
Vulnerability (Ref. 59153
): Moderate to high vulnerability (46 of 100) .