Calidus

Calidus is Latin meaning fiery, spirited or rash. It can refer to:

Aircraft

 * AutoGyro Calidus, a German autogyro design
 * RotorSport UK Calidus, a British autogyro design

Animals

 * Barbus calidus, a ray-finned fish species in the family Cyprinidae, commonly called the Clanwilliam Redfin
 * Dardanus calidus, a species of hermit crab
 * Falco peregrinus calidus, a species of Peregrine Falcon
 * Rhodacaroides calidus, a mite in the family Ologamasidae