(Sargocentron punctatissimum) is a member of the Holocentridae family, commonly known as squirrelfishes. These fish are primarily found in tropical and subtropical regions of the Indo-Pacific and Red Sea. The Redcoat Squirrelfish is a nocturnal fish and is known for its vibrant colors and beautiful markings.

The Redcoat Squirrelfish is a small-sized fish, growing up to a maximum length of 12 inches (30 cm). The body is laterally compressed and oval-shaped, with a spiny dorsal fin and a long anal fin. The mouth is large, and the teeth are sharp and pointed. They have a relatively large eye, which aids in their nocturnal vision.

The body coloration of the Redcoat Squirrelfish is predominantly reddish-pink or brownish-red with a distinctive red band running down the middle of the body. The sides of the fish are speckled with white spots. The dorsal fin is tall and spiny, with a yellowish or red hue. The anal fin is long and straight, with a black margin.

The Redcoat Squirrelfish is a solitary fish and is territorial, spending its day hiding in coral crevices or under ledges. They come out of hiding at night to feed on small fish, crustaceans, and zooplankton. They are known for their sharp spines, which they use to protect themselves from predators. If threatened, they will retreat to their hiding place and remain motionless.

The Redcoat Squirrelfish is a popular fish among hobbyists due to its beautiful coloration and unique appearance. They are relatively easy to keep in a home aquarium, requiring a tank of at least 50 gallons with plenty of hiding spots. The aquarium should also be equipped with high-quality filtration systems and moderate water flow.

In conclusion, the Redcoat Squirrelfish is a stunning and fascinating fish that is well-known for its vibrant coloration, sharp spines, and nocturnal behavior. While they are primarily found in the Indo-Pacific and Red Sea, they are a popular addition to home aquariums worldwide.