Actinopteri (ray-finned fishes) > Anguilliformes
(Eels and morays) > Ophichthidae
(Snake eels) > Ophichthinae
Etymology: Apterichtus: From the Greek απτερόν (apteron), without fins, and ίχθύς (ichtus, more correctly written ichthys;
masculine), fish.. More on author: Kaup.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range - 75 m (Ref. 101270), usually - m (Ref. ). Tropical; 0°C -
Eastern Central Atlantic: Guinea.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 31.9 cm TL male/unsexed; (Ref. 4455)
Morphology | Morphometrics
This species is distinguished by the following characters: tail 1.7, head 14, and body depth 67-100 in total length; preopercular pores 4 pores in supratemporal canal 5; teeth conical and uniserial on jaws and vomer (with 2-3 teeth); color of body in preservative, ochre and slightly darker dorsally; total vertebrae 129-132 (Ref. 101270).
Burrows in sand or mud on the continental shelf (Ref. 4455).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
McCosker, J.E. and Y. Hibino, 2015. A review of the finless snake eels of the genus Apterichtus (Anguilliformes: Ophichthidae), with the description of five new species. Zootaxa 3941(1):49-78. (Ref. 101270)
IUCN Red List Status (Ref. 124695)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00129 (0.00054 - 0.00308), b=2.92 (2.72 - 3.12), 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
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (23 of 100) .