Actinopteri (ray-finned fishes) > Anguilliformes
(Eels and morays) > Ophichthidae
(Snake eels) > Ophichthinae
Etymology: Letharchus: Greek, letheia = apathetic + Greek, archos = anus (Ref. 45335). More on author: McCosker.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range - m (Ref. ), usually - m (Ref. ). Tropical; 0°C -
Southwest Atlantic: Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 21.5 cm TL male/unsexed; (Ref. 31241)
Morphology | Morphometrics
Vertebrae: 157 - 164. Brown or black head with white markings; cream-colored body and tail, with a broad mid-lateral stripe running the entire length of the body; white dorsal fin. No anal fin. Anterior nostril hole without raised rim. Suborbital pores 4 (Ref. 27478).
Taken at depth between 0-1 m over a rock tide pool and sand bottom.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
McCosker, J.E., 1974. A revision of the ophichthid eel genus Letharcus. Copeia 1974(3):619-628. (Ref. 31241)
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
= 0.6250 [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
): 3.6 ±0.5 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 (15 of 100) .