Let us learn about the comprison between cetace and sirenia. Comparison # Cetacea: 1. Size: Some attain a colossal size. 2. Habitat: Marine forms. Larger species prefer open sea, while smaller forms live in plenty in estuaries and river. 3. Habit: Carnivorous and predaceous animals. 4. Hairs: Absent, except a few bristles around the muzzle […]