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How to Identify European Seabass

Dicentrarchus labrax

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To identify European Seabass (Dicentrarchus labrax), look at these key features.

Physical Characteristics

Body shape
torpedo
Coloration
Silvery-grey dorsally, fading to white on the belly. Juveniles often have small black spots on the upper body, which typically disappear with age, though some adults may retain a few. A distinct dark spot is present on the operculum (gill cover).
Scale type
ctenoid
Mouth position
terminal
Distinctive features
Two distinct dorsal fins, the first spiny and the second soft-rayed., A prominent dark spot on the operculum., Large, strong scales., A powerful, slightly forked caudal fin., A streamlined, elongated body adapted for fast swimming.
Dorsal fin
Two dorsal fins: the first with 8-10 strong, sharp spines; the second with 1 spine and 12-13 soft rays.
Tail fin
Moderately forked caudal fin, powerful and efficient for propulsion.
Pectoral fin
Relatively short and rounded, positioned low on the body.
Distinctive fins
Anal fin with 3 spines and 10-12 soft rays. Pelvic fins thoracic, located beneath the pectoral fins, with 1 spine and 5 soft rays.

Identification Tips

  1. 1

    Dorsal Fins

    Look for two clearly separated dorsal fins: the first spiny, the second soft-rayed. This distinguishes it from many other coastal fish.

  2. 2

    Opercular Spot

    A distinct dark or black spot on the upper part of the gill cover (operculum) is a key identifying feature, especially in adults.

  3. 3

    Body Shape and Coloration

    Its sleek, silvery body with a darker back and white belly is characteristic. Juveniles may have small black spots on the back, which fade with age.

  4. 4

    Lateral Line

    The lateral line is prominent and runs straight along the body.

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