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The visual cell morphology of Pagrus major and its adaptive changes with shift from palagic to benthic habitats
Nippon Suisan Gakkaishi
The visual cell morphology in 2-90mm long larvae and juveniles, and adult of the red sea bream Pagrus major was examined histologically. The visual system of the larvae is poorly devel oped at hatching, but becomes functional in 36 hours. At this time, the eyes are well pigmented, cones are formed, and optic nerves connect with the optic tectum. The visual cells of larvae smaller than 10.6 mm are all single cones. At 11mm TL, the single cones fuse to form twin cones, and rods appear at the samedoi:10.2331/suisan.50.1975 fatcat:u3bsf2h2krflfjxuavscsgt6ey