The Reef Triggerfish (scientific name: *Balistoides viridescens*) is a colorful fish commonly found in coral reefs across the tropical waters of the Pacific and Indian Oceans. It is easily recognized by its vibrant blue, yellow, and green colors, along with a distinctive trigger-like dorsal fin. This fish typically grows to about 12 inches in length and is known for its strong jaws, which allow it to feed on hard-shelled invertebrates like sea urchins and crustaceans. Reef Triggerfish are territorial and can be aggressive, especially during breeding season. They often use their sharp teeth to defend their nests from intruders. These fish play an important role in maintaining the health of coral reef ecosystems by controlling the population of their prey. Their unique behavior and striking appearance make them a popular attraction for divers and snorkelers exploring coral reefs.