Mammals:
* Whales: Many whales are piscivores, including orcas, dolphins, humpback whales, and gray whales.
* Seals: Most seals are piscivores, particularly harbor seals, grey seals, and leopard seals.
* Otters: Sea otters are known for their love of shellfish, but they also eat fish.
* Polar Bears: While polar bears primarily hunt seals, they will also consume fish when available.
Birds:
* Penguins: All penguins are piscivores.
* Gulls: Some gulls are primarily piscivores, especially larger species like the Great Black-backed Gull.
* Kingfishers: These colorful birds are expert fishers.
* Osprey: These raptors are specialized fish hunters.
Fish:
* Pike: These predatory fish are known for their large size and sharp teeth.
* Salmon: Some salmon species are primarily piscivores in their adult stage.
* Tuna: These large, fast-swimming fish are apex predators.
Reptiles:
* Sea Snakes: Most sea snakes are piscivores.
* Crocodiles: Some crocodiles are primarily piscivores, particularly those living in freshwater environments.
Other:
* Some species of octopus and squid are also piscivores.
It's important to note that many animals that primarily eat fish will also consume other things, such as crustaceans, invertebrates, and occasionally small mammals.