Blackbar dwarfgoby

📖 Overview

Blackbar dwarfgoby (Eviota nigramembrana) is a ray-finned fish of the family Gobiidae. It inhabits marine (saltwater) waters in reef-associated environments. This species can reach a maximum total length of 1.8 cm. It occurs at depths between 3 and 18 metres. With a trophic level of 3, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Least Concern on the IUCN Red List.

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 7; Dorsal soft rays (total): 8 - 9; Anal spines: 1; Anal soft rays: 8; Vertebrae: 26. This species is distinguished from its congeners by the following set of characters: cephalic sensory-pore system pattern group I (complete); dorsal/anal fin-ray formula 8/8; absence of the fifth pelvic-fin ray; 5 internal bands between anal-fin origin and caudal-fin base; pale colour of pectoral fin base and the spinous dorsal fin; presence of a dark rectangular caudal-peduncle spot above midline; no broad dark and light bands; posterior edge of opercular membrane with a concentration of dark chromatophores; in life red-orange spots along bases of both dorsal fins, and belly with distinct red spots . Dorsal to anal fin-ray formula 8/8.: elongated; Cross section: oval.

🌀 Behaviour

Behavioural data for Blackbar dwarfgoby is currently being reviewed.

🦐 Diet

Diet information for Blackbar dwarfgoby is currently being compiled.

🥚 Reproduction

Reproduction data for Blackbar dwarfgoby is currently being compiled.

🌍 Habitat & Distribution

Marine; reef-associated; depth range 3 - 18 m . Subtropical

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🐠 Related Species

🔍 Similar Species

👥 Community & Contribute