両生類(りょうせいるい)

両生類(りょうせいるい) is a biological classification term. Composed of 両生(りょうせい) ("both-living," i.e., amphibious) + 類(るい) (class/type).

Types

• 蛙(かえる): frog
• 蝦蟇(がま): toad
• 山椒魚(さんしょううお): salamander
• イモリ: newt

Related words

• 哺乳類(ほにゅうるい): mammals
• 爬虫類(はちゅうるい): reptiles
• 鳥類(ちょうるい): birds
• 魚類(ぎょるい): fish

Usage

Amphibians go through metamorphosis from aquatic larvae (like おたまじゃくし, tadpoles) to terrestrial adults. This word appears in science classes and nature documentaries.