sweetfish (Plecoglossus altivelis altivelis);  ayu
 young sweetfish;  young ayu
 sweetfish going downstream to spawn (in autumn)
 sweetfish sushi;  ayu sushi;  belly of sweetfish salted, pickled and served on rice
 kissing loach (Leptobotia curta)
 fourspine sculpin (Cottus kazika)
 razorfish (Aeoliscus strigatus)
 Ryukyu sweetfish (Plecoglossus altivelis ryukyuensis)