Classification / Names
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa
Actinopterygii (ray-finned fishes) > Anguilliformes
(Eels and morays) > Ophichthidae
(Snake eels) > Ophichthinae
Etymology: Apterichtus: From the Greek ??????? (apteron), without fins, and ????? (ichtus, more correctly written ichthys;
masculine), fish.; mysi: Named for Mysi Hoang, California Academy of Sciences; noun in apposition.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated; depth range 35 - 64 m (Ref. 101270). Tropical
Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri
Eastern Central Pacific: Marquesas Islands, Polynesia.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 30.1 cm TL (female)
Morphology | Morphometrics
Vertebrae: 146 - 153. This species is distinguished by the following characters: elongated with tail 2.2-2.4, head 17-18, and body depth 58-69 in total length; the snout is moderately pointed in lateral view, dorsal profile ca. 45-50° above lower jaw; preopercular pores 3, supratemporal canal with 3 pores; teeth conical, uniserial on jaws and vomer (5-6 vomerine teeth); colouration, body mostly pale in preservative, with fine brown speckling on the dorsal surface of body and tail; MVF 75-148, total vertebrae 146-153 (Ref. 101270).
Found over sand with associated rock and coral reef bottoms; captured using ichthyocides and dredges. The largest female specimen (30.1 cm TL) with eggs - 0.6-0.9 mm in diameter (Ref. 101270).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
McCosker, J.E. and Y. Hibino, 2015. A review of the finless snake eels of the genus Apterichtus (Anguilliformes: Ophichthidae), with the description of five new species. Zootaxa 3941(1):49-78. (Ref. 101270)
IUCN Red List Status (Ref. 119314)
CITES (Ref. 115941)
Threat to humans
CountriesFAO areasEcosystemsOccurrencesIntroductionsStocksEcologyDietFood itemsFood consumptionRation
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00138 (0.00059 - 0.00325), b=2.92 (2.71 - 3.13), 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 vulnerability (23 of 100) .