Actinopteri (ray-finned fishes) > Anguilliformes
(Eels and morays) > Muraenesocidae
Etymology: Gavialiceps: Hindi, ghariyal = gavial, saurian of Ganges, 1825 + Greek, kephale = head (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; bathydemersal; depth range 380 - 497 m (Ref. 44791). Deep-water
Western Indian Ocean: Gulf of Aden, southeastern Arabian Sea from Socotra, Yemen to Maldives.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 84.0 cm TL male/unsexed; (Ref. 44791)
Morphology | Morphometrics
soft rays: 283;
Vertebrae: 220 - 231. Color is dark brown, head is black, gill chamber dark but does not show through the skin. The peritoneum is pigmented, the stomach is bright and long, but does not reach above the anus, its length is 1.2-1.9 times the length of the head (Ref. 44791).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Karmovskaya, E.S., 1994. Systematics and distribution of the eel genus Gavialiceps (Congridae) in the Indo-West Pacific. J. Ichthyol. 34(3):73-89. (Ref. 44791)
IUCN Red List Status (Ref. 125652)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 123201
): 10.2 - 14.7, mean 12.1 °C (based on 13 cells).
Phylogenetic diversity index (Ref. 82804
= 0.5313 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00129 (0.00055 - 0.00304), b=2.93 (2.73 - 3.13), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.8 ±0.6 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 (54 of 100).