Pomacentrus
Pomacentrus is a genus of damselfishes in the family Pomacentridae. They are commonly known as damsels or demoiselles, and are found in tropical and subtropical waters around the world. These fish are generally small, with most species reaching a maximum size of 10 centimeters (4 inches). They are colorful and often have striking patterns on their bodies, making them popular in the aquarium trade.
Characteristics
Members of the genus Pomacentrus exhibit a variety of characteristics, including:
- Body Shape: They are typically oval-shaped with a slightly compressed body. Their dorsal fin is usually long and continuous, with spines at the front and soft rays at the rear.
- Coloration: They are known for their vibrant and diverse colors, often featuring bright blues, yellows, oranges, and reds. Many species also have stripes or spots.
- Size: Most Pomacentrus species reach a maximum size of 10 cm (4 inches), with some smaller species measuring only a few centimeters.
- Diet: They are primarily herbivorous, feeding on algae and other plant matter. Some species also supplement their diet with small invertebrates.
Environment
Pomacentrus species are found in a wide range of marine environments, including:
- Coral reefs: They are particularly common in coral reef ecosystems, where they can be seen among the coral branches or in open areas.
- Seagrass beds: Some species inhabit seagrass beds, where they feed on algae and other invertebrates.
- Rocky shores: Pomacentrus can also be found along rocky shores and in tide pools.