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Ophidiiformes (Cusk eels) >
Dinematichthyidae (Viviparous brotula)
Etymology: Diancistrus: Greek, di = two + Greek, agkistron = hook (Ref. 45335); machidai: Named for Yoshihiko Machida, expert on ophidiiform fishes..
More on authors: Schwarzhans, Møller & Nielsen.
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
Biển Cùng sống ở rạn san hô; Mức độ sâu 2 - 20 m (Ref. 90102). Tropical
Western Pacific: Philippines to Indonesia.
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.0 cm SL con đực/không giới tính; (Ref. 57884); 4.7 cm SL (female)
Short description
Hình thái học | Sinh trắc học
Các vây lưng mềm (tổng cộng): 66-77; Tia mềm vây hậu môn: 50 - 64; Động vật có xương sống: 40 - 43. The species is characterized by having Vertebrae 11+29-31 (32)=40-42 (43), dorsal fin rays 66-77, anal fin rays 50-64; large eyes (2.4-3.3% SL), D/V 6-7; outer pseudoclasper long, thick, with almost straight hook-like extension in ventral view; inner pseudoclasper anteriorly joined to outer pseudoclasper, broad, its supporter extended as distinct thorn to nearly length of extension of outer pseudoclasper; moderately wide scale patch on cheek with 5-6 scale rows on upper cheek, 0-2 scales on operculum above opercular spine; head is slender, broad; otolith length to height ratio 2.0-2.1; sulcus short, ratio otolith length to sulcus length 2.3-2.5 (Ref. 57884).
Solitary inhabitant of coral reef crevices, cryptic (Ref 90102).
Life cycle and mating behavior
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Schwarzhans, W., P.R. Møller and J.G. Nielsen, 2005. Review of the Dinematichthyini (Teleostei, Bythitidae) of the Indo-West-Pacific. Part I. Diancistrus and two new genera with 26 new species. The Beagle, Records of the Museum and Art Galleries of the Northern Territory 21:73-163. (Ref. 57884)
IUCN Red List Status (Ref. 130435)
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