Mascarene Red Seabream

📖 Overview

Mascarene Red Seabream (Polysteganus mascarenensis) is a ray-finned fish of the family Sparidae. It inhabits marine (saltwater) waters. This species can reach a maximum total length of 60 cm. With a trophic level of 4.2, it is a mid-level predator. It is assessed as Data Deficient on the IUCN Red List.

🔬 Taxonomy

🐟 Physical Description

Distinguished from all congeners of Polysteganus by the following combination of characters: dorsal-fin rays XII,10; anal-fin rays III, 8; scales rows between 10th dorsal-fin spine base and lateral line scale 6½; pored lateral line scales 51‒54; snout blunt and broad, its length 2.2‒2.3 times /orbit diameter; bony bulge before and above eye, forming a low median ridge; caudal fin emarginate, nearly truncate if widely spread; mouth large and jaws robust, especially upper jaw; height of posterior end of upper jaw under first two infraorbitals greater than half of orbit diameter (or much greater than pupil diameter); head and body uniform orange-red, dorsally, paler ventrally; all fins uniform reddish orange colour, but membrane of spinous dorsal-fin hyaline reddish orange; rear margin of operculum red; no dark blotch on lateral line below middle dorsal-fin spines, and no blue or cobalt longitudinal lines on body .: fusiform / normal; Cross section: compressed.

🌀 Behaviour

Behavioural data for Mascarene Red Seabream is currently being reviewed.

🦐 Diet

🥚 Reproduction

🌍 Habitat & Distribution

Marine; benthopelagic, usually 258 - 305 m . Tropical; 15°S - 16°S, 61°E - 62°E known only from the Seychelles, Mascarene Plateau, and Mascarene Islands (15°23.

🌿 Ecology

📐 Morphometrics

🌡️ Water Parameters & Tolerance

🛡️ Conservation Assessment

📊 Population Risk & Fisheries

🐠 Related Species

🔍 Similar Species

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