Teleostei (teleosts) > Ophidiiformes
(Cusk eels) > Carapidae
(Pearlfishes) > Carapinae
Etymology: Echiodon: Greek, echieys, eos = a little viper + Greek, odous = teeth (Ref. 45335); coheni: Named after Daniel M. Cohen..
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 75 - 175 m (Ref. 6347). Tropical
Western Indian Ocean. Western Central Pacific (Ref. 47711).
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 14.3 cm TL male/unsexed; (Ref. 6347)
Morphology | Morphometrics
Eel-like, shallow body depth; 1 to several symphyseal fangs on dentary and premaxilla; lacking cardiform teeth, pelvic fins, and swim bladder rocker bone; a patch of ridges posteriorly on the ventral surface of the swim bladder (Ref. 34024). Anal fin rays 52-54 in front of vertical through back of 30th vertebrae; precaudal vertebrae 18-19 (Ref. 34024). Pectoral fin rays 18; total nasal lamellae 24 (Ref. 10698).
Rare species (Ref. 34024).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Nielsen, J.G., D.M. Cohen, D.F. Markle and C.R. Robins, 1999. Ophidiiform fishes of the world (Order Ophidiiformes). An annotated and illustrated catalogue of pearlfishes, cusk-eels, brotulas and other ophidiiform fishes known to date. FAO Fish. Synop. 125(18):178p. Rome: FAO. (Ref. 34024)
IUCN Red List Status (Ref. 126983)
Threat to humans
Fisheries: of no interest
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 123201
): 19.7 - 24.4, mean 22.2 °C (based on 22 cells).
Phylogenetic diversity index (Ref. 82804
= 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00102 (0.00046 - 0.00225), b=3.06 (2.88 - 3.24), in cm total length, based on all LWR estimates for this body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.5 ±0.5 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref. 59153
): Low vulnerability (10 of 100).