What does tuna eat?

Tuna are carnivorous fish, meaning they eat other animals. Their diet varies depending on the species and their size, but generally includes:

* Smaller fish: This includes sardines, anchovies, herring, mackerel, and other small fish.

* Squid: Tuna are known to hunt and consume squid in large quantities.

* Crustaceans: Crabs, shrimp, and other crustaceans can be part of their diet.

* Plankton: Tuna will also consume plankton, particularly when they are young.

Larger tuna species like bluefin tuna are apex predators, meaning they are at the top of the food chain and don't have any natural predators besides humans. They are capable of hunting larger prey like sharks and other larger fish.

Here are some examples of what different tuna species eat:

* Bluefin Tuna: Large fish, squid, sharks, dolphins (rarely)

* Yellowfin Tuna: Smaller fish, squid, crustaceans

* Skipjack Tuna: Sardines, anchovies, other small fish, squid

* Albacore Tuna: Small fish, squid, crustaceans

Tuna are important to the marine ecosystem, playing a vital role in controlling populations of other fish and keeping the balance of the food chain.