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> Saccopharyngiformes (Swallowers and gulpers) > Monognathidae (Onejaws)
Etymology: Monognathus: Greek, monos = one + Greek, gnathos = jaw (Ref. 45335); ozawai: Named for Takakazu Ozawa who allowed the authors to describe the only Japanese specimen of this rare genus.
Eponymy: Dr Takakazu Ozawa is a Japanese ichthyologist at the Faculty of Fisheries, Kagoshima University. [...] (Ref. 128868), visit book page.
More on authors: Bertelsen & Nielsen.

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

laut batipelagis. Deep-water

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Northwest Pacific: Only known from the type locality south of the Ryukyu Islands.

Size / Weight / umur

Maturity: L_m ? range ? - ? cm
Max length : 6.5 cm TL jantan/; (Ref. 34506)

deskripsi pendek Kunci identifiaksi (pengenalan) | Morfologi | Morfometrik

duri punggung lunak (Keseluruhan (total)) : 96; Sirip dubur lunak: 66. M. ozawai differs from the other species of the genus by the following combination of characters: head short, snout blunt and short, skull length 5.5% TL, rostral fang with dorsal profile slightly convex forming an almost straight line with frontal profile of skull, dorsal fin origin above myomere number 5, anal fin origin below dorsal fin ray number 40 and pectoral fin about 1% TL.

Pelagic, caught in an open ring trawl (Ref. 34506).

Life cycle and mating behavior Kematangan | Reproduksi, perkembang biakan | Pemijahan | telur-telur | Fecundity | Larva

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

Status IUCN Red List (Ref. 130435: Version 2024-1)

kekurangan data (DD) ; Date assessed: 13 August 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

ancaman kepada manusia

Harmless

penggunaan manusia

FAO - Publication: search | FishSource |

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Trophic ecology
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Estimates based on models

Phylogenetic diversity index (Ref. 82804): 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): 3.1 ±0.30 se; based on food items.

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Monognathus ozawai Bertelsen & Nielsen, 1987