Teleostei (teleosts) >
Anguilliformes (Eels and morays) >
Congridae (Conger and garden eels) > Congrinae
Etymology: Macrocephenchelys: Greek, makros = great + Greek,kephale = head + Greek, enchelys, -yos = eel (Ref. 45335).
More on author: Fowler.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathydemersal; depth range 635 - 1012 m (Ref. 129313). Deep-water
Indo-West Pacific: few widely scattered locations, east coast of Madagascar; Indonesia (Makassar Strait), Malaysia (northeastern Borneo), Taiwan and Vanuatu.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 80.0 cm TL male/unsexed; (Ref. 129313)
Vertebrae: 173 - 183. This species is distinguished from its congeners the following characters: body is more elongate with depth at anus 2.2-5.9 %TL, more delicate and flexible; head is shorter 7.1-9.5 %TL, 25.6-36.2 %PAL, 1.8-2.8 times in trunk; dorsal-fin origin is well behind the tip of pectoral fin; vertebrae more numerous 173-183; supratemporal pore present; fleshy papillae on lower jaw, but not dorsally on head; no sensory pits on the ventral surface of head and anterior body (Ref. 129313).
Body shape (shape guide): eel-like; Cross section: oval.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Lin, J., K.-T. Shao and D.G. Smith, 2018. The eel genus Macrocephenchelys (Anguilliformes: Congridae) in Taiwan, with description of a new species. Zootaxa 4454(1):186-199. (Ref. 129313)
IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))
Threat to humans
Harmless
Human uses
Fisheries: of no interest
Tools
Special reports
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Internet sources
Estimates based on models
Phylogenetic diversity index (Ref. 82804) |
PD50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00062 (0.00028 - 0.00135), b=3.19 (3.01 - 3.37), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trophic level (Ref. 69278) |
4.0 ±0.5 se; based on size and trophs of closest relatives |
Resilience (Ref. 120179) |
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.). |
Fishing Vulnerability (Ref. 59153) |
Moderate to high vulnerability (51 of 100). 🛈 |