Japan country information

Common names: Toge-itachiuo
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Reported only from the Ryukyu Islands (Ref. 559).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ja.html
National Fisheries Authority: http://www.maff.go.jp/eindex.html
Occurrences: Occurrences Point map
Main Ref: Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984
National Database:

Common names from other countries

小眼线深鳚, Toge-itachiuo, 小眼線深鳚, ... more

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> Ophidiiformes (Cusk eels) > Dinematichthyidae (Viviparous brotula)
Etymology: Diancistrus: Greek, di = two + Greek, agkistron = hook (Ref. 45335).
More on author: Fowler.

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

marina revassocierade; djupintervall 0 - 15 m (Ref. 90102). Subtropical

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Western Pacific: Ryukyu Islands, Japan and the northern Philippines, but not in Taiwan; to the south and east, it is replaced by Diancistrus atollorum.

Size / Vikt / Age

Maturity: L_m ? range ? - ? cm
Max length : 7.0 cm SL hane/ej könsbestämd; (Ref. 559)

Short description Bestämningsnycklar | Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 70 - 76; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 55 - 61; Ryggkotor: 39 - 41. Diagnosis: This species is characterized by the following: vertebrae 11+28-30=39-41, dorsal fin rays 70-76, anal fin rays 55-61; eyes very small (<2.0% SL); outer pseudoclasper ear-lobe shaped, the half-moon shaped ear-lobe extension inwardly directed; inner pseudoclasper firmly joined to outer pseudoclasper anteriorly, with supporter, reduced small hook-like, often with a fleshy flap at its base; 5-7 rows of small scales on the upper cheek, no scales on operculum; head profile is slender; otolith length to height ratio <2.0 (Ref. 57884).

Rare species (Ref. 34024). Solitary inhabitant of coral reef crevices to at least 15m depth, cryptic (Ref 90102).

Life cycle and mating behavior Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

Nielsen, J.G., D.M. Cohen, D.F. Markle and C.R. Robins, 1999. Ophidiiform fishes of the world (Order Ophidiiformes). An annotated and illustrated catalogue of pearlfishes, cusk-eels, brotulas and other ophidiiform fishes known to date. FAO Fish. Synop. 125(18):178p. Rome: FAO. (Ref. 34024)

IUCN Red List Status (Ref. 130435)

Least Concern (LC) ; Date assessed: 15 August 2019

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)