鮎並女[ainame] fat greenling (Hexagrammos otakii)
落ち鮎[ochiayu] sweetfish going downstream to spawn
稚鮎[chiayu] young ayu
若鮎[wakaayu] young (healthy & energetic) sweetfish
鮎漁[ayuryou] fishing for ayu

鮎並科[ainameka] Hexagrammidae (family of marine fishes incorporating the greenlings)
鮎釣り[ayutsuri] ayu fishing
鮎掛け[ayukake] fourspine sculpin (Cottus kazika)
鮎擬[ayumodoki] kissing loach (Leptobotia curta)

癜風[denpuu] chromophytosis

白癜[shironamazu] vitiligo

鯰髭[namazuhige] drooping moustache
瓢箪鯰[hyoutannamazu] (person) slippery as an eel
鯰号[namazugou] earthquake simulator
電気鯰[denkinamazu] electric catfish (any species of family Malapteruridae, esp. species Malapterurus electricus)

痺れ鯰[shibirenamazu] electric catfish (any species of family Malapteruridae, esp. species Malapterurus electricus)
逆さ鯰[sakasanamazu] upside-down catfish (Synodontis nigriventris)
琵琶湖大鯰[biwakooonamazu] Lake Biwa catfish (Silurus biwaensis)
ヨーロッパ大鯰[yooroppaoonamazu] Wels catfish (Silurus glanis)