Caracanthus, the coral crouchers, or orbicular velvetfishes, are a genus of scorpaeniform fishes. They live in coral reefs of the tropical Indo-Pacific. This genus is the only member of the family Caracanthidae.
Like their close relatives the velvetfishes, they have compressed bodies and a velvety skin. They have small pectoral fins, which they use to wedge themselves into crevices in the coral, and greatly reduced pelvic fins.
There are currently four recognized species in this genus:
- Caracanthus maculatus (J. E. Gray, 1831) (Spotted coral croucher)
- Caracanthus madagascariensis (Guichenot, 1869) (Spotted croucher)
- Caracanthus typicus Krøyer, 1845 (Hawaiian orbicular velvetfish)
- Caracanthus unipinna (J. E. Gray, 1831) (Pygmy coral croucher)
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