Actinopterygii (ray-finned fishes) > Anguilliformes
(Eels and morays) > Nettastomatidae
Etymology: Facciolella: Latin, diminutive of falx, falcis = sickle (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 30 - 731 m (Ref. 4454). Subtropical; 43°N - 17°S, 18°W - 17°E
Eastern Atlantic: southern Portugal to Angola including the Ligurian and Tyrrhenian seas in the Mediterranean.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 64.9 cm SL male/unsexed; (Ref. 4454)
The young are sometimes found in caves, larger specimens caught deeper. Feeds mainly on decapod natantia (Ref. 4776).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Smith, D.G., 1990. Nettastomatidae. p. 172-175. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI; Paris; and UNESCO, Paris. Vol. 1. (Ref. 4454)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 115941)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
Estimates of some properties based on models
Preferred temperature (Ref. 115969
): 11 - 15.8, mean 13.9 (based on 69 cells).
Phylogenetic diversity index (Ref. 82805
= 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00060 (0.00023 - 0.00156), b=3.09 (2.87 - 3.31), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic Level (Ref. 69278
): 3.5 ±0.50 se; Based on food items.
Resilience (Ref. 69278
): Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Moderate vulnerability (44 of 100) .