also: アフリカうしがえる
African bullfrog
Refers specifically to the species Pyxicephalus adspersus. In Japanese, the name is usually written in katakana.
The African bullfrog is a large frog that inhabits southern Africa.
Some people keep African bullfrogs as pets.
Refers to the American bullfrog (Lithobates catesbeianus), a different species commonly found in Japan as an invasive species. アフリカウシガエル is the African bullfrog.
Mixed hiragana-katakana variant; less common but still seen.
Ateji kanji spelling; very rare and mostly of historical or academic interest.
From アフリカ (Africa) + ウシガエル (bullfrog). The kanji spelling 阿弗利加牛蛙 is ateji.