SHORT
DESCRIPTION
Body ovate and compressed, with back elevated. Head large, with upper profile convex. Scales on cheeks and operculum. Mouth small, terminal, horizontal and slightly protractile, with 8 incisiform teeth in front of both jaws and one row of small molariform teeth just behind. Dorsal fin single; last spines and first soft rays about equal in length. Pectoral fin long and pointed. Pelvic fin just behind pectoral fin bases, with axillary scale. Caudal fin forked.
color :
silvery grey, with head darker. Dark saddle on the caudal peduncle, and dark spot at the origin of lateral line. Small dark spot more or less shaded at the upper pectoral axil. Fins greyish. Eyes grey. Juveniles with 5 large transverse dark stripes.
size :
common 10-15 cm in Mediterranean (max. 35 cm in the Atlantic).
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DISTINGUISHING CHARACTERISTICS
Diplodus annularis: anal fin with 10-12 soft rays. No dark spot at the origin of lateral line, and one almost annular dark band on caudal peduncle. Ventral fins yellowish.
Diplodus cervinus: no molariform teeth behind the incisiform. Broad tranverse dark bands on flanks.
Diplodus puntazzo: molariform teeth rudimentary.
Diplodus vulgaris: broad black band from nape to axil of pectoral fin.
Diplodus sargus: several rows of small molariform teeth behind the incisiform teeth.
Species of the genera Dentex, Spondyliosoma, Oblada, Crenidens, Sarpa and Boops: lateral teeth conical or pointed, not molariform.
Species of the genera Sparus, Pagrus, Lithognathus and Pagellus: no incisiform teeth in front of jaws.
BIOLOGY / ECOLOGY
In the Atlantic, spawning season in April-June. Feeds on benthic molluscs and crustaceans. Young are gregarious and often enter lagoons and rivers. However, this behaviour has not been reported in the Mediterranean.
habitat :
inshore waters (mainly between 5 and 50 m depth), over sand or muddy bottom and seagrass beds.
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