Teleostei (teleosts) >
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
Ecology
Marine; demersal; depth range 0 - 17 m (Ref. 9328). Tropical; 24°N - 4°N
Eastern Pacific: Mexico to Colombia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 35.0 cm TL male/unsexed; (Ref. 96339)
Short description
Identification keys | Morphology | Morphometrics
Vertebrae: 144 - 151. 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; second pore displaced medially when viewed from above (Ref. 27478).
Inhabits sandy bottoms, from the intertidal zone up to a depth of 17 m.
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae
McCosker, J.E. and R.H. Rosenblatt, 1995. Ophichthidae. Tiesos, serpentones. p. 1326-1341. In W. Fischer, F. Krupp, W. Schneider, C. Sommer, K.E. Carpenter and V. Niem (eds.) Guia FAO para Identification de Especies para lo Fines de la Pesca. Pacifico Centro-Oriental. 3 Vols. FAO, Rome. (Ref. 9328)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
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Estimates based on models
Preferred temperature (Ref.
123201): 27 - 29.1, mean 28.3 °C (based on 102 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00089 (0.00039 - 0.00204), b=3.00 (2.80 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.7 ±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.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (25 of 100).