SHORT
DESCRIPTION
Body elongated, cylindrical tapering from midpoint toward head and tail. Two dorsal fins, the second with one spine, origin very short distance from first dorsal termination. Second dorsal fin opposite anal fin. Pelvic fin beneath pectoral fin. Caudal fin emarginate to truncate. Head conical with pointed snout. Mouth small, upper jaw slightly larger than lower jaw. Bands of villiform teeth in jaws and vomer, none on palatine. A single spine on the operculum at the level of upper point of pectoral fin base. Small ctenoid scales. A row of 8-12 scales extending onto caudal fin.
color :
yellowish to silvery beige.
size :
common 15-20 cm (max. 30 cm).
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DISTINGUISHING CHARACTERISTICS
Synodontidae: presence of adipose fin; large mouth extending beyond vertical of eye.
Sphyraenidae: large mouth with sharp teeth. Two dorsal fins widely separated.
Mugilidae: two dorsal fins widely separated, the first with four spines.
BIOLOGY / ECOLOGY
Feeds on benthic invertebrates, mainly polychaetes and, to a lesser extent, crustaceans. Spawning season lasts from April to September.
habitat :
benthic. Sandy substrates to depths of 40 m.
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