Roule's goby

📖 Overview

Roule's goby (Gobius roulei), first described by de Buen, 1928 is a small fish in the family Gobiidae (order Gobiiformes). Adults typically reach 8.00 cm in maximum length. It inhabits marine coastal and open-ocean environments. Recorded depth range: 48 to 385 metres. It occurs in Deep-water waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus. On the IUCN Red List, it is classified as Least Concern.The species is kept in the aquarium hobby. Care requirements and behaviour align broadly with other Gobiidae kept in the hobby.

🔬 Taxonomy

🐟 Physical Description

Distinguished by the following characteristics: D1 VI, D2 I/I 1 - 12, A 1/11, P 17 - 18, C 16 - 17 principle rays (adult specimen with 13 branched rays; branching of fin rays not completed in the juvenile specimen); all rays of the first dorsal fin are elongated in the adult specimen (tips pronounced in the juvenile), with D1 III longest. ctenoid scales; LL 37, including scales on caudal fin (squamation not completely developed in juvenile specimen), TR 8; head, nape, predorsal area, breast, ventral side of abdomen (midline) and base of P naked; area anterior of a line from the dorsal origin of the pectoral fin to the origin of the second dorsal fin naked; anterior most scales in lateral midline reach the base of the pectoral fin in the adult specimen (only near to it in the juvenile); some of these most anterior scales are cycloid : elongated.

🌀 Behaviour

Behavioural data for Roule's goby is currently being reviewed.

🦐 Diet

🥚 Reproduction

🌍 Habitat & Distribution

Marine; bathydemersal; depth range 48 - 385 m . Deep-water

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🦠 Common Diseases

The following diseases are known to affect Roule's goby.

🐠 Related Species

🔍 Similar Species

👥 Community & Contribute