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Saccopharyngiformes (Swallowers and gulpers) >
Monognathidae (Onejaws)
Etymology: Monognathus: Greek, monos = one + Greek, gnathos = jaw (Ref. 45335); berteli: Named after the late Erik Bertelsen (alias Bertel) in recognition of his contribution to our knowledge of the Monognathidae and many other groups of deep sea fishes.
Eponymy: Dr Erik ‘Bertel’ Bertelsen (1912–1993) was a celebrated Danish fisheries biologist and ichthyologist at the Zoological Museum of the University of Copenhagen. [...] (Ref. 128868), visit book page.
More on authors: Nielsen & Hartel.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien bathypelagisch; diepte 1018 - 1430 m (Ref. 40803). Deep-water
Western Indian Ocean: Somalia.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 5.8 cm OT mannelijk / geslacht onbekend; (Ref. 40803)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale zachte stralen (totaal) : 96; Anale zachte stralen: 50; Wervels: 86. Belongs to the short-skulled species-group of Monognathus. Anterior dorsal fin-ray above vertebra number 4, five vertebrae between anus and anal fin, length of pectoral fins 9.5% and posterior urostyle filament 53% of total length.
Body shape (shape guide): eel-like.
Length measured from tip of snout to base of urostyle.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Nielsen, J.G. and K.E. Hartel, 1996. Monognathus berteli sp. nov. from the Indian Ocean (Pisces, Monognathidae). Ichthyol. Res. 43(2):113-115. (Ref. 40803)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van geen belang
Tools
Speciale rapporten
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Internetbronnen
Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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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). |
Trofisch niveau (Ref. 69278) |
3.3 ±0.5 se; based on size and trophs of closest relatives |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low vulnerability (10 of 100). 🛈 |