Rheocles Derhami

📖 Overview

Rheocles Derhami (Rheocles derhami) is a ray-finned fish of the family Bedotiidae. It inhabits freshwater waters in pelagic environments. This species can reach a maximum total length of 5 cm. With a trophic level of 3.2, it is a low-level carnivore, feeding on invertebrates and small organisms. It is assessed as Critically Endangered on the IUCN Red List.

🔬 Taxonomy

🐟 Physical Description

Dorsal spines (total): 2; Dorsal soft rays (total): 14 - 19; Anal spines: 1; Anal soft rays: 15 - 21; Vertebrae: 35 - 38. Rheocles derhami is readily distinguished from R. sikorae and R. wrightae by length of upper jaw (32-41%HL versus 46-58) and absence of black pigmentation of genital papilla, from R. pellegrini by number of gill rakers on lower limb of first arch (9-10 versus 6-7), from R. lateralis by caudal peduncle length (67.3-78.6%SL versus 84.6-96.7), and from R. alaotrensis by absence of chest and belly scales and paired predorsal scale rows . In life males normally light grey, the second dorsal, anal and caudal fins are bright silvery blue, the throat region is orange-red, light grey females are not brightly colored; preserved specimens are creamy yellow, scale rows in dorsal midline heavily pigmented and darkened .: fusiform / normal.

🌀 Behaviour

Behavioural data for Rheocles Derhami is currently being reviewed.

🦐 Diet

Diet information for Rheocles Derhami is currently being compiled.

🥚 Reproduction

Reproduction data for Rheocles Derhami is currently being compiled.

🌍 Habitat & Distribution

Freshwater; pelagic. Tropical

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🐠 Related Species

🔍 Similar Species

👥 Community & Contribute