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Teleostei (teleosts) > Anguilliformes (Eels and morays) > Nettastomatidae (Duckbill eels)
Etymology: Facciolella: Latin, diminutive of falx, falcis = sickle (Ref. 45335).
Eponymy: Dr Luigi Facciolà (1851–1943) was an Italian physician and ichthyologist who was the first to recognise and describe the Witch-Eel genus (1911) but in doing so used a preoccupied name (Nettastomella). [...] Dr Peter Henry John Castle (1934–1999) was an ichthyologist at the School of Biological Sciences, Victoria University, Wellington, New Zealand, which awarded all his degrees; bachelor’s (1955) master’s (1958), doctorate (1964) and DSc. [...] (Ref. 128868), visit book page.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; demersal; depth range ? - 230 m (Ref. 58018). Deep-water

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Southeast Pacific: Chile.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm

Type specimen collected at 230 m depth.

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Pequeño, G., 1989. Peces de Chile. Lista sistematica revisada y comentada. Rev. Biol. Mar., Valparaiso 24(2):1-132. (Ref. 9068)

IUCN Red List Status (Ref. 130435: Version 2024-1)

Data deficient (DD) ; Date assessed: 11 November 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: of no interest

FAO - Publication: search | FishSource |

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Trophic ecology
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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00089 (0.00036 - 0.00222), 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): 3.4 ±0.4 se; based on size and trophs of closest relatives

Resilience (Ref. 120179): Low, minimum population doubling time 4.5 - 14 years (Assuming tmax>10).

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (47 of 100).

Facciolella castlei Parin & Karmovskaya, 1985