Coris
The genus Coris comprises a group of colorful and often strikingly patterned fish, commonly known as wrasses or hogfish. These fish are found in tropical and subtropical waters of the Indo-Pacific region, inhabiting a variety of environments, including coral reefs, rocky outcrops, and seagrass beds. The genus is characterized by its elongate, compressed body and a large, protrusible mouth.
Common Names
Members of the genus Coris are commonly referred to as "wrasses" or "hogfish," with specific species often bearing distinct names. For example, Coris gaimard is known as the "yellow-barred hogfish," and Coris julis is commonly called the "rainbow wrasse."
Characteristics
Wrasses of the genus Coris are characterized by the following traits:
- Elongate, compressed body: The body is typically streamlined and laterally compressed, allowing for agility in navigating reefs and crevices.
- Large, protrusible mouth: The mouth is designed for feeding on invertebrates, which they suction from the substrate.
- Bright coloration: Many species exhibit vibrant colors and patterns, often changing with age and sex.
- Sexual dimorphism: Significant differences in appearance can exist between males and females, particularly in coloration.
- Scaleless head: The head is typically devoid of scales, and the body is covered in small, cycloid scales.
Environment
Wrasses of the genus Coris are found in tropical and subtropical waters of the Indo-Pacific region. They inhabit a variety of environments, including:
- Coral reefs: These fish are often found amongst corals, utilizing crevices and ledges for shelter.
- Rocky outcrops: They can also be found on rocky slopes and ledges, foraging for prey.
- Seagrass beds: Some species may utilize seagrass beds as foraging grounds.
References
For further information on the genus Coris, you can refer to the following sources: