![]() Some populations seem to specialize in scavenging while others feed primarily on zooplankton. It’s an omnivore it feeds mainly on crustaceans and mollusks but will also eat sea urchins, polychaete worms, algae, starfish eggs, and bivalves. Their maximum length is about 35 cm (14 inches). Undulate triggerfish have three dorsal spines and five anal spines. It has a small mouth with two rows of teeth on the upper jaw and one row on the lower jaw that can be used for crushing hard-shelled prey. Unlike other triggerfishes, the head of this species is brownish rather than yellow and its scales are large. They can grow to be up to one foot long, but most Picasso triggerfish are about eight inches long. These fish have a brownish to reddish colored body with white stripes on their lateral and dorsal fins. Picasso Triggerfish, also known as Lagoon triggerfish, blackbar triggerfish, or white banded triggerfish, are found in the Pacific Ocean, often inhabiting areas near coral reefs. Picasso Triggerfish (Rhinecanthus aculeatus) These fish come from the family Balistidae which means they are part of a group called balistids which also includes the triggerfish and family members of the Balistidae. They have thick jaws lined with rows of teeth that allow them to crush their prey. They are predators that feed on crabs, shrimp, sea urchins, and bivalves. They are solitary fish, but they will school at night and during morning hours. It inhabits areas with sandy or rubble bottoms and can reach lengths of up to two feet long. The Indian triggerfish is a reef dweller that is found in the Indo-Pacific region. ![]() As soon as the hatchlings emerge from their egg capsules, it is assumed that both parents will help protect them until they are old enough to fend for themselves. The female is responsible for caring for the egg during incubation, which lasts from 3 days to 2 weeks depending on the water temperature. In some cases, they will abandon their eggs after fertilization. They are oviparous, meaning they reproduce by laying eggs. They can grow up to 30 cm long and weigh up to 1,600 grams. They have been observed to be aggressive and feed on the corals they live on. These fish are generally blue with a white belly. The Boomerang Triggerfish (Sufflamen bursa) is found in Indo-Pacific waters. Because it likes to hide in cracks and crevices, it can be hard to spot unless you’re looking carefully for it! Boomerang Triggerfish (Sufflamen bursa) It’s diet consists mainly of algae which it scrapes off rocks with its flat head. It is one of the smaller members of this family at only about 6 inches (15 centimeters) long. The bluelin triggerfish gets its name from the distinctive blue line that runs along its side.
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