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)

漫ろ歩き[sozoroaruki] slow, relaxed walk
ひとり歩き[hitoriaruki] walking alone
一歩[ippo] (a) step
一歩一歩[ippoippo] step by step
一歩前進[ippozenshin] (a) step forward

横断歩道[oudanhodou] pedestrian crossing
牛歩戦術[gyuuhosenjutsu] snail's pace tactics
巨歩[kyoho] long strides
競歩[kyouho] walking race
健歩[kenpo] good walker