Actinopterygii (ray-finned fishes) > Anguilliformes
(Eels and morays) > Ophichthidae
(Snake eels) > Ophichthinae
Etymology: Letharchus: Greek, letheia = apathetic + Greek, archos = anus (Ref. 45335). More on authors: Goode & Bean.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal. Subtropical; 37°N - 25°N
Western Atlantic: North Carolina to northeastern Florida in USA and northeastern Gulf of Mexico.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 51.0 cm TL male/unsexed; (Ref. 7251)
Morphology | Morphometrics
Vertebrae: 135 - 142. Brown or black head with white markings; uniformly dark brown to black body and tail; white dorsal fin. No anal fin. Anterior nostril hole without raised rim. Suborbital pores 4; linear when viewed from the top (Ref. 27478).
Commonly found on scallop grounds.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Robins, C.R. and G.C. Ray, 1986. A field guide to Atlantic coast fishes of North America. Houghton Mifflin Company, Boston, U.S.A. 354 p. (Ref. 7251)
IUCN Red List Status (Ref. 120744)
CITES (Ref. 115941)
Threat to humans
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00126 (0.00053 - 0.00299), 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
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (30 of 100) .