Back Locomoció aquàtica Catalan Schwimmen als Fortbewegungsart German آبپیمایی FA Locomoción acuática GL Плавание (способ передвижения) Russian Aquatic locomotion SIMPLE Suda hareket Turkish Di chuyển dưới nước VI
Aquatic locomotion or swimming is biologically propelled motion through a liquid medium. The simplest propulsive systems are composed of cilia and flagella. Swimming has evolved a number of times in a range of organisms including arthropods, fish, molluscs, amphibians, reptiles, birds, and mammals.