What is big lip damselfish?

The big lip damselfish, also known as the Dusky Damselfish or Hawaiian Black Damselfish, is a common species found in the warm waters of the Pacific Ocean. They have a dark blue to black body with a distinct white patch on their forehead and yellow to orange lips, which give them their name. They can grow up to 4 inches in length and are known for their aggressive behavior, often defending their territory from other fish. Big lip damselfish are found living in coral reefs and rocky areas, feeding on plankton and small invertebrates. They are popular among aquarium hobbyists due to their striking appearance and hardy nature.