+Porpoises are small, agile [Whales](/wiki/whale) distinguished by their robust bodies and spade-shaped teeth. These often shy [Marine Mammals](/wiki/marine_mammal) glide through ocean waters, using sophisticated echolocation to find prey.
+## See also
+- [Dolphin](/wiki/dolphin)
+- [Echolocation](/wiki/echolocation)
+- [Ocean](/wiki/ocean)