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Teleostei (teleosts) > Anguilliformes (Eels and morays) > Nettastomatidae (Duckbill eels)
Etymology: Nettenchelys: Greek, netta = duck + Greek, enchelys, -yos = eel (Ref. 45335); exoria: From the Greek exorios meaning beyond the frontier, in reference to the posterior nostrils, which have migrated beyond the occiput and are located behind the head (Ref. 40819).

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

Marine; bathydemersal; depth range 277 - 494 m (Ref. 40819). Deep-water

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Central Atlantic: off the northeast coast of Florida and from the junction of the Northwest and Northeast Providence Channels in the Bahamas.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 46.7 cm TL male/unsexed; (Ref. 40819)

Short description Morphology | Morphometrics

Posterior nostril behind occiput, between supratemporal canal and dorsal-fin origin. Median supratemporal pore absent, apparently obliterated by nasal tube. Anterior vomerine teeth not enlarged. Predorsal 32-34% preanal, head 31-34% preanal.

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

Main reference Upload your references | References | Coordinator | Collaborators

Smith, D.G., J.E. Böhlke and P.H.J. Castle, 1981. A revision of the nettastomatid eel genera Nettastoma and Nettenchelys (Pisces: Anguilliformes), with descriptions of six new species. Proc. Biol. Soc. Wash. 94(2):535-560. (Ref. 40819)

IUCN Red List Status (Ref. 126983)

Least Concern (LC) ; Date assessed: 06 November 2019

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): 10 - 17.5, mean 13.1 °C (based on 28 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00089 (0.00035 - 0.00227), 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): 3.4 ±0.5 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 vulnerability (37 of 100).

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Nettenchelys exoria Böhlke & Smith, 1981