Actinopteri (ray-finned fishes) > Anguilliformes
(Eels and morays) > Nettastomatidae
Etymology: Facciolella: Latin, diminutive of falx, falcis = sickle (Ref. 45335). More on author: Gilbert.
Environment: milieu / climate zone / depth range / distribution range
Marine; bathypelagic; depth range 64 - 1000 m (Ref. 96339), usually - m (Ref. ). Deep-water; 0°C -
Eastern Central Pacific: Point Conception, California, USA to Panama, and Guadalupe and Galapagos Islands.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 90.0 cm TL male/unsexed; (Ref. 28023)
Morphology | Morphometrics
Color uniformly brown.
Feeds on small deep-sea crustaceans (Ref. 28023). Caught well offshore in pelagic waters to depths of several hundred meters (Ref. 28023).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Grove, J.S. and R.J. Lavenberg, 1997. The fishes of the Galápagos Islands. Stanford University Press, Stanford, 863 p. (Ref. 28023)
IUCN Red List Status (Ref. 124695)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 7.1 - 13.4, mean 9.6 °C (based on 59 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00089 (0.00036 - 0.00223), b=2.98 (2.76 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.1 ±0.30 se; based on food items.
Resilience (Ref. 120179
): Medium, minimum population doubling time 1.4 - 4.4 years (tm=4).
Vulnerability (Ref. 59153
): High vulnerability (56 of 100) .