Actinopteri (ray-finned fishes) > Anguilliformes
(Eels and morays) > Heterenchelyidae
Etymology: Pythonichthys: Greek, python = the huge serpent or monster slain near Delphi by Apollo in the Greek mithology (1590) Greek, ichthys = fish (Ref. 45335). More on author: Regan.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 40 - 150 m (Ref. 6534), usually - m (Ref. ). Tropical; 0°C -
Eastern Atlantic: Mauritania to Angola.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 50.5 cm TL male/unsexed; (Ref. 6534)
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Smith, D.G., 1990. Heterenchelyidae. p. 153-155. 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. 6534)
IUCN Red List Status (Ref. 124695)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 15.9 - 20.5, mean 17.5 °C (based on 30 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5664 [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), in cm total length, based on all LWR estimates for this body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.8 ±0.6 se; based on size and trophs of closest relatives
Vulnerability (Ref. 59153
): Low to moderate vulnerability (26 of 100) .