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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.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina batypelagisk; djupintervall 1018 - 1430 m (Ref. 40803). Deep-water
Western Indian Ocean: Somalia.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 5.8 cm OT hane/ej könsbestämd; (Ref. 40803)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i ryggfenan (totalt) : 96; Mjukstrålar i analfenan: 50; Ryggkotor: 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.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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 på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: saknar intresse
Verktyg
Särskilda rapporter
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 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).
Trofisk nivå (Ref.
69278): 3.3 ±0.5 se; based on size and trophs of closest relatives
Sårbarhet i fisket (Ref.
59153): Low vulnerability (10 of 100).
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