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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
पारिस्थितिकी
समुद्री बैथीपिलाजिक. Deep-water
Northwest Pacific: Only known from the type locality south of the Ryukyu Islands.
आकार / वज़न / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.5 cm TL पुल्लिंग / अलिंग; (Ref. 34506)
Short description
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 96; ऐनल सौफट रेज़: 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
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा
Bertelsen, E. and J.G. Nielsen, 1987. The deep sea eel family Monognathidae (Pisces, Anguilliformes). Steenstrupia 13(4):141-198. (Ref. 34506)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
साधन
Special reports
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इंटरनेट स्रोत
Estimates based on models
Phylogenetic diversity index (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).
Trophic level (Ref.
69278): 3.1 ±0.30 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).