Actinopteri (ray-finned fishes) > Anguilliformes
(Eels and morays) > Ophichthidae
(Snake eels) > Ophichthinae
Etymology: Ophichthus: Greek, ophis = serpent + Greek, ichthys = fish (Ref. 45335); pullus: Name from Latin 'pullu' meaning dark-colored; referring to its appearance. More on author: McCosker.
Environment: milieu / climate zone / depth range / distribution range
Marine; benthopelagic; depth range 106 - 154 m (Ref. 86730), usually - m (Ref. ). Tropical; 0°C -
Eastern Atlantic: off Angola and Guinea-Bissau.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 58.5 cm TL male/unsexed; (Ref. 86730)
Morphology | Morphometrics
This moderately elongate species is distinguished by the following characters: head 8.5-8.9%, tail 57-61%, body depth at gill opening 2.8-3.3% of TL; origin of dorsal-fin well behind pectoral-fin tips; rounded pectoral fin, not elongate and well-developed; posterior nostril a hole above the upper lip, covered by a flap that extends to or below the edge of the mouth; upper lip with no barbels between anterior and posterior nostrils; small pores conspicuous, SO 1 + 4, IO 4 + 2, POM 6 + 2; small and conical teeth, biserial on anterior vomer and jaws; uniform gray-brown to nearly black in color; total vertebrae 149-153, mean vertebral formula 20.3-56.3-151.3 (Ref. 86730).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
McCosker, J.E., 2005. A new species of deepwater snake eel, Ophichthus pullus (Anguilliformes: Ophichthidae), from Angola and Guinea-Bissau. Proc. Calif. Acad. Sci. 56(36):669-674. (Ref. 86730)
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
): 14.2 - 16.2, mean 15.6 °C (based on 8 cells).
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
): 3.9 ±0.7 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low to moderate vulnerability (33 of 100) .