porpoise

US /ˈpɔːr.pəs/
UK /ˈpɔːr.pəs/
"porpoise" picture
1.

marsouin

a small toothed whale with a rounded head and a triangular dorsal fin, typically smaller than dolphins and with a more robust body.

:
We spotted a pod of porpoises swimming near the coast.
Nous avons aperçu un groupe de marsouins nageant près de la côte.
The porpoise is known for its shy nature compared to dolphins.
Le marsouin est connu pour sa nature timide par rapport aux dauphins.