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Teleostei (teleosts) > Anguilliformes (Eels and morays) > Nettastomatidae (Duckbill eels)
Etymology: Facciolella: Latin, diminutive of falx, falcis = sickle (Ref. 45335); karrerae: Named in honor of Dr. Christine Karrer, Hamburg, in recognition of her contributions to the knowledge of Anguilliformes of the western Indian Ocean and her studies on deep-sea fishes of the Red Sea of the Senckenberg-Museum..

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

Marine; bathydemersal; depth range 700 - 2000 m (Ref. 40802). Deep-water

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Western Indian Ocean: Red Sea.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 36.1 cm TL male/unsexed; (Ref. 40802)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 290; Anal spines: 0; Anal soft rays: 235; Vertebrae: 166 - 184. Very light, whitish coloration of head, body and fins. Preanal pores 51-52.

Probably inhabiting holes found on soft sea-bottom.

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larvae

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Klausewitz, W., 1995. Deep water and deep-sea fishes of the Red Sea. XIX. Description of a new species of the deep-sea eel genus Facciolella (Pisces: Osteichthyes: Anguilliformes: Nettastomatidae). Senckenbergiana marit. 26(1/2):45-50. (Ref. 40802)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 04 February 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

FAO - Publication: search | FishSource |

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Estimates based on models

Preferred temperature (Ref. 123201): 21.7 - 21.8, mean 21.7 °C (based on 11 cells).

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 - 0.00223), b=2.98 (2.77 - 3.19), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.3 ±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): Low to moderate vulnerability (26 of 100).

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Facciolella karrerae Klausewitz, 1995