蛙

Asian grass frog (Fejervarya limnocharis); Indian rice frog; cricket frog

American bullfrog (Lithobates catesbeianus)

frog in a well; someone with a narrow perspective

any brown or reddish-brown frog of the family Ranidae

Japanese brown frog (Rana japonica)

black-spotted pond frog (Rana nigromaculata)

African clawed frog (Xenopus laevis)

African clawed frog (Xenopus laevis)

horned frog (Ceratophrys spp.)

Australian green tree frog (Litoria caerulea); green tree frog; White's tree frog; dumpy tree frog

Schlegel's green tree frog (Rhacophorus schlegelii)

chytridiomycosis (fatal infectious disease of amphibians)

forest green tree frog (Rhacophorus arboreus)

Colloquial

frog (esp. the wrinkled frog or Asian grass frog); toad (esp. the Japanese toad)

Japanese toad (Bufo japonicus); Japanese common toad

Colloquial

toad with wart-covered skin (esp. the Japanese toad or the wrinkled frog)

kajika frog (Buergeria buergeri)

Oriental fire-bellied toad (Bombina orientalis)

narrow perspective

Proverb

a narrow-minded person cannot understand the ways of the world; a frog in the well cannot understand the ocean even if it is explained to it

narrow-mouthed toad (Kaloula borealis)

Surinam toad (Pipa pipa); pipa

spadefoot toad (Pelobatidae spp.)

Namiye's frog (Limnonectes namiyei)

Ishikawa's frog (Odorrana ishikawae)