Actinopteri (ray-finned fishes) > Anguilliformes
(Eels and morays) > Ophichthidae
(Snake eels) > Myrophinae
Etymology: Scolecenchelys: Greek, skolex = worm (1855) + Greek, enchlys, -yos = eel (Ref. 45335); aoki: Named for its type locality.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range - 80 m (Ref. 104540), usually - m (Ref. ). Temperate; 0°C -
Northwest Pacific: restricted to Japanese waters, excluding northern Hokkaido and Ryukyu Archipelago, and southern Korea (Ref. 104540).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 46.0 cm TL male/unsexed; (Ref. 104540)
Morphology | Morphometrics
Vertebrae: 130 - 138. This elongate species of Scolecenchelys is distinguished by the following set of characters: head 7.6-10 % TL, tail 51-57 % TL; infraorbital pores 3 at postorbital area; median groove present ventrally on snout, extending anteriorly beyond level of anterior margin of tubular anterior-nostril base; acute snout; rictus of mouth slightly posterior to a vertical line through posterior margin of eye; conical and pointed teeth on upper jaw and vomer forming uniserial or biserial rows; dorsal-fin origin located posterior to a vertical line through the anus, horizontal distance between the origin and the vertical line 10-77% HL; total vertebrae 130-138, predorsal 56-65 and preanal 53-58; mean vertebral formula (MVF) 60-56-135 (Ref. 92899).
Occurs in shallow tide pools to a depth of 80 m (Ref. 104540).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Hibino, Y. and S. Kimura, 2015. Revision of the Scolecenchelys gymnota species group with descriptions of two new species (Anguilliformes: Ophichthidae: Myrophinae). Ichthyol Res (Ref. 104540)
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
): 17.5 - 21.4, mean 20.5 °C (based on 20 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00076 (0.00029 - 0.00199), b=3.06 (2.84 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 4.2 ±0.7 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 to moderate vulnerability (28 of 100) .