Trewavas croaker
📖 Overview
Trewavas croaker (Johnius trewavasae) is a ray-finned fish of the family Sciaenidae. It inhabits marine (saltwater) waters. This species can reach a maximum total length of 22 cm. It occurs at depths between 1 and 40 metres. With a trophic level of 3.5, 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): 10 - 11; Dorsal soft rays (total): 24 - 27; Anal spines: 2; Anal soft rays: 7 - 8. Small species with a moderately elongate body. Dark mottled pattern dorsally, creamy white ventrally; scale pockets on dorsal side of head and body with broad, dark margins; spinous dorsal fin black, pectoral fins grey, pelvic fins pale .: fusiform / normal.
🌀 Behaviour
Behavioural data for Trewavas croaker is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; benthopelagic; depth range 1 - 40 m . Tropical
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🔍 Similar Species
👥 Community & Contribute
No observations yet - be the first to log one!
View all observations for Trewavas croaker ↗Spotted incorrect or outdated data? Submit a correction and our editorial team will review it. Approved edits go live within 48 hours.
Found a factual error, broken data, or inappropriate content? Let us know and we will investigate promptly.