Monognathus smithi

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Monognathus smithi Bertelsen & Nielsen, 1987

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drawing shows typical species in Monognathidae.

Classificatie / Names Populaire namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Saccopharyngiformes (Swallowers and gulpers) > Monognathidae (Onejaws)
Etymology: Monognathus: Greek, monos = one + Greek, gnathos = jaw (Ref. 45335);  smithi: Named for Kenneth Smith, chief scientist for the cruise during which the material was caught.  More on authors: Bertelsen & Nielsen.

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

; marien bathypelagisch; diepteverspreiding 4201 - 5800 m (Ref. 34506), usually - m (Ref. ).   Deep-water; 0°C -

Verspreiding Landen | FAO regio's | Ecosystems | Voorkomen | Point map | Introducties | Faunafri

North Pacific: Central North Pacific gyre, approximately 31°N, 159'W.

Size / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 7.2 cm TL mannelijk/geslacht niet bekend; (Ref. 34506)

Korte beschrijving Morfologie | Morfometrie

Dorsale zachte stralen (totaal): 75-102; Anale zachte stralen: 55 - 63. The available specimens of M. smithi differ from all other specimens of a similar total length (6.8-7.2) within the genus by the long skull 7.0-7.6% TL and long lower jaw 11.8-12.5% TL. Furthermore, it is distinguished by the following combination of characters: head long with elongate, pointed snout slightly upturned, rostral fang strongly hooked with distal part in a nearly right angle to dorsal profile of skull, preanal 36.0-37.5% TL, and at least 7 teeth in jaw (Ref. 34506).

Biologie     Verklarende woordenlijst (b.v. epibenthic)

The holotypes and paratypes of M. smithi were caught in the water column in a closing net at 4200 and 5200 m, with a sounding at 5800 m (Ref. 34506).

Life cycle and mating behavior Geslachtsrijpheid | Voortplanting | Kuitschieten | Eieren | Fecundity | Larven

Voornaamste referentie Upload your references | Referenties | Coördinator | Medewerkers

Bertelsen, E. and J.G. Nielsen, 1987. The deep sea eel family Monognathidae (Pisces, Anguilliformes). Steenstrupia, 13(4):141-198. (Ref. 34506)

Status op de Rode Lijst van het IUCN (Ref. 124695)

  Onvoldoende gegevens (DD) ; Date assessed: 13 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaarlijk voor mensen

  Harmless





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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5001   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00102 (0.00046 - 0.00225), b=3.06 (2.88 - 3.24), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.3   ±0.5 se; based on size and trophs of closest relatives
Weerstandsvermogen
Kwetsbaarheid (Ref. 59153):  Low vulnerability (10 of 100) .