Actinopterygii (ray-finned fishes) >
Anguilliformes (Eels and morays) >
Muraenesocidae (Pike congers)
Etymology: Gavialiceps: Hindi, ghariyal = gavial, saurian of Ganges, 1825 + Greek, kephale = head (Ref. 45335); bertelseni: Named in memory of Erik Bertelsen, leading ichthyologist and outstanding person (Ref. 44791).
Environment / Climate / Range
Ecology
Marine; bathydemersal; depth range 670 - 1200 m (Ref. 44791). Deep-water, preferred ?
Western Indian Ocean: southwestern slope of Madagascar.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 84.0 cm TL male/unsexed; (Ref. 44791)
Short description
Morphology | Morphometrics
Bright brown, the back is somewhat darker than the belly. The edges of the dorsal and anal fin rays are dark in the caudal section of the body. The gill and mouth cavities are dark but do not show through the skin. The stomach and peritoneum are bright. The stomach is long, 2.2-2.3 times the length of the head, but does not reach above the anus (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. 115185)
CITES (Ref. 94142)
Not Evaluated
Threat to humans
Harmless
Human uses
More information
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
Age/SizeGrowthLength-weightLength-lengthLength-frequenciesMorphometricsMorphologyLarvaeLarval dynamicsRecruitmentAbundance
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
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Estimates of some properties based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5313 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00129 (0.00054 - 0.00305), b=2.93 (2.72 - 3.14), 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.
69278): .
Vulnerability (Ref.
59153): Moderate to high vulnerability (51 of 100) .