Is tuna fish a filter feeder?

No, tuna fish are not filter feeders.

Here's why:

* Filter feeders strain small organisms from the water using specialized structures like baleen plates (whales) or gills (some fish). They consume a large volume of water to capture their prey.

* Tuna are carnivorous fish that actively hunt and capture their prey. They have powerful jaws and sharp teeth designed for tearing flesh. Tuna mainly feed on smaller fish, squid, and crustaceans.

While some fish species, like herring and sardines, are filter feeders, tuna are not. They are highly evolved predators with a different feeding strategy.