井の中の蛙大海を知らず[inonakanokawazutaikaiwoshirazu] parochial
雨蛙[amagaeru] tree frog (esp. the Japanese tree frog, Hyla japonica)
蛙の子は蛙[kaerunokohakaeru] like father, like son
蛙跳び[kaerutobi] (game of) leapfrog
殿様蛙[tonosamagaeru] black-spotted pond frog (Rana nigromaculata)

蟇蛙[hikigaeru] toad (esp. the Japanese toad, Bufo japonicus)
蛙又[kaerumata] curved wooden support on top of the main beam of a house, now mainly decorative (shape evocates an open-legged frog)
青蛙[aogaeru] green (tree) frog
赤蛙[akagaeru] any brown or reddish-brown frog (esp. of family Ranidae)

鮟鱇[ankou] goosefish (any anglerfish of family Lophiidae)
鮟肝[ankimo] monkfish liver
蛙鮟鱇[kaeruankou] frogfish (any fish of family Antennariidae, esp. the striated frogfish, Antennarius striatus)

蝦蟇鮟鱇[gamaankou] toadfish (any fish of family Batrachoididae, esp. the Pacuma toadfish, Batrachoides surinamensis)
提灯鮟鱇[chouchinankou] football fish (any fish of family Himantolophidae, esp. the Atlantic footballfish, Himantolophus groenlandicus)
箕作柄長提灯鮟鱇[mitsukurienagachouchinankou] triplewart seadevil (Cryptopsaras couesii)

鮟鱇[ankou] goosefish (any anglerfish of family Lophiidae)
蛙鮟鱇[kaeruankou] frogfish (any fish of family Antennariidae, esp. the striated frogfish, Antennarius striatus)
蝦蟇鮟鱇[gamaankou] toadfish (any fish of family Batrachoididae, esp. the Pacuma toadfish, Batrachoides surinamensis)

提灯鮟鱇[chouchinankou] football fish (any fish of family Himantolophidae, esp. the Atlantic footballfish, Himantolophus groenlandicus)
箕作柄長提灯鮟鱇[mitsukurienagachouchinankou] triplewart seadevil (Cryptopsaras couesii)