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Author: Linnaeus, 1758

Blennius ocellaris Linnaeus, 1758

Diagnosis: dorsal finrays XI + 14-15; anal finrays II + 16; pectoral finrays 12; pelvic finrays I + 3. Anterior part of dorsal fin conspicuously higher than posterior part. Colour: basic coloration brown or greyish, 5-7 dark bars on body; between dorsal finrays 6-7 a black or blue spot with white margin. Size: to 20 cm.

Habitat: from 10 m (Atlantic) or 30 m (Mediterranean) to 100 m, on hard bottoms. Behaviour: night active. Food: small invertebrates. Reproduction: April (Marseilles) or July (England); eggs are laid under mussel-shells or stones and guarded by male.

Distribution: Mediterranean, Black Sea and Atlantic coast from Morocco to English Channel.

Eggs, larvae and young stages. Cipria, 1938: 1-10, 1 pl. | Padoa, 1956b: 721-724, fig. 624-627, pl. 43 (fig. 1-4).
Otoliths (sagitta). No data.

Butterfly-blenny (Blennius ocellaris)