Skipjack tuna is a species of tuna found in warm ocean waters around the world. They are known for their streamlined bodies and distinctive dark blue backs with silver stripes. Skipjack typically grow to about 2 to 3 feet in length and can weigh up to 40 pounds. This fish is an important part of the global fishing industry, often used in canned products like tuna salad and sushi. Skipjack tuna are also a key species in marine ecosystems, serving as prey for larger predators such as sharks and dolphins.