Dark-fin gudgeon
📖 Overview
Overview information for Dark-fin gudgeon is currently being compiled by our editorial team.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 7; Dorsal soft rays (total): 7 - 8; Anal spines: 1; Anal soft rays: 6 - 8; Vertebrae: 26. This species is distinguished from congeneric species by the following set of characters: longitudinal row scales 33-36; transverse row scales 11-13; predorsal scales 21-25; snout length 9.7-11.1% of SL; upper jaw length 14.4-17.5% of SL; caudal fin length 27.9-40.4% of SL; opercular scales cycloid; body with two interrupted, vertical light brown bands, below dorsal fin and on caudal peduncle. Colouration: second dorsal fin with diffuse white spots; caudal fin dark, no spots; head and trunk of adults with brilliant blue or green spots; caudal fin base in juveniles with three distinct bright markings .: fusiform / normal; Cross section: oval.
🌀 Behaviour
Behavioural data for Dark-fin gudgeon is currently being reviewed.
🦐 Diet
Diet information for Dark-fin gudgeon is currently being compiled.
🥚 Reproduction
Reproduction data for Dark-fin gudgeon is currently being compiled.
🌍 Habitat & Distribution
Marine; freshwater; brackish; demersal; amphidromous . Subtropical Northwest Pacific: Japan (Ryukyu Arch.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
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