Blueskin seabream
📖 Overview
Blueskin seabream (Polysteganus coeruleopunctatus) is a ray-finned fish of the family Sparidae. It inhabits marine (saltwater) waters in reef-associated environments. This species can reach a maximum total length of 60 cm. With a trophic level of 4.1, it is a mid-level predator. It is assessed as Data Deficient on the IUCN Red List. Commercially fished and consumed as food.
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 12; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 8. This species is distinguished from its congeners by the following set of characters: scale rows above lateral line 6½; scales rows between 5th dorsal-fin spine base and lateral-line scale 5½ or 6½; pored lateral-line scales 51 or 52; suborbital depth subequal to or greater than the orbit diameter; dorsal-fin rays are reddish pink as well as similar reddish pink on upper margin dorsal-fin ray (no clear yellow or faint yellowish); body with 7 or 8 faint irregular blue spotted lines, not visible from all angles; reddish membranes on caudal-fin lobes and caudal fin with clear white lowest margin of lower caudal fin lobe; without blue iridescence on each scale of dorsal and lateral sides of whitish pink body; canines are large, both upper and lower canines on both jaws usually visible even when mouth closed; body deep 44-46% (mean 44%) of SL; anal- and pelvic- fin rays are whitish or reddish hyaline; no yellow (white) rear margin of branchiostegal rays and membrane; weak bony bulge present before and above eye, forming a low median ridge in larger specimens of over 30 cm SL; caudal fin is moderately forked .: fusiform / normal; Cross section: compressed.
🌀 Behaviour
Behavioural data for Blueskin seabream is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Marine; reef-associated; depth range ? - 500 m . Tropical; 31°N - 28°S East Africa: including the Red Sea and probably Kenya.
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🍽️ Edibility & Flavour
⚡ Nutrition
Detailed nutritional data for Blueskin seabream is currently being compiled from USDA FoodData Central.
🔬 Mercury Safety
Mercury data for Blueskin seabream has not yet been assigned. Please consult FDA/EPA guidance for general seafood safety advice.
🌿 Sustainability
🔬 Full Nutritional Profile
Per 100g - Raw, per 100g - Source: USDA FoodData Central templates (lean white fish average)
📊 Population Dynamics
| Year | Region | Index | Notes |
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🔍 Similar Species
👥 Community & Contribute
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