also: りくガメ
Refers to land-dwelling turtles, as opposed to sea turtles (ウミガメ) or freshwater turtles. Often used in pet contexts or biology.
Tortoises are known for living a long time.
I saw a small tortoise at the pet shop.
Katakana spelling is common; usually written in kana.
Kanji-katakana mixed spelling; less common than pure kana but still seen.
Full kanji spelling; rare in practice and may be unfamiliar to some readers.
Compound of 陸 (riku, 'land') and ガメ (game, 'turtle'). The reading ガメ is a voiced form of カメ (kame) in compounds.