1. Plural of platanna; large aquatic frogs native to South Africa, belonging to the genus Xenopus, commonly kept in laboratories and as pets.
Usage: Also called African clawed frogs; Scientific name: Xenopus laevis (most common species); Often used in biological research

Examples

• The biology lab uses platannas for developmental research.
• Platannas are popular in the aquarium hobby because they are hardy and easy to care for.
• These platannas have distinctive claws on their hind feet.
• Scientists have studied platannas extensively to understand vertebrate development.
• The platannas in the tank require cool water and regular feeding.