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Author: Jourdain, 1879

Gymnammodytes semisquamatus Jourdain, 1879

Diagnosis: ventro-lateral skin folds about as long as pectoral fins. Dorsal rays 53-59; anal rays 26-32. Lateral line branched. Vertebrae 64-72 (mode 68). Colour: back golden brown or pinkish, belly silvery. Size: to 28 cm SL.

Habitat: typically offshore over shell-gravel, also inshore where shellgravel beaches occur. Food: plankton. Reproduction: summer batch spawner, ripe fish occuring from March to September in North Atlantic, but probably with more restricted spawning periods for each population, and possibly a winter/spring spawner in the Mediterranean.

Distribution: eastern North Atlantic from the southern coast of Norway and the Shetlands (61° N) to Spain (36° N) including all coasts of the British Isles and the North Sea, but not the Baltic, and extending along northern Mediterranean coasts to at least 3° E.

Eggs, larvae and young stages. Kändler, 1941: 81 (as A. Ianceolatus) | Corbin & Vati, 1949: 295, pl. I (fig. 1) | Cameron, 1959: 17, pl. I-II | Macer, 1967: 4, fig. 1a-d
Otoliths (sagitta). Macer, 1966, pl. 1d.

Smooth sand-eel (Gymnammodytes semisquamatus)