If you think you’ve spotted an Asian carp, report it by taking a photo and call the Invading Species Hotline at 1-800-563-7711 or report via EDDMapS Ontario. Identification Key Bighead Carp Figure 1. An illustration of Bighead Carp, a species of Asian carp. Bighead Carp have small scales, and a short dorsal fin that is slightly set back from the pelvic fin origin. Their eye sits below the centre of the body and they lack barbels. Their pectoral fin extends past the pelvic fin origin and their anal fin is moderate sized in length. Their keel extends from the pelvic fin to the anal fin. Silver Carp Figure 2. An illustration of Silver Carp, a species of Asian carp. Silver Carp have small scales, and a short dorsal fin that is slightly set back from the pelvic fin origin. Their eye sits below the centre of the body and they lack barbels. Their pectoral fin does not reach the origin of the pelvic fin and their anal fin is moderate sized in length. Their keel is smooth and lacks serrations extends from before the pelvic fin to just before the anal fin. Grass Carp Figure 3. An illustration of Grass Carp, a species of Asian carp. Grass Carp have large scales, and a short and rounded dorsal fin with no spine. Their eye sits in the middle of their head and they lack barbels. Their dorsal fin origin is slightly ahead of the pelvic fin and their anal fin is short in length and also lacks a spine. They also have a thick caudal peduncle. Black Carp Figure 4. An illustration of Black Carp, a species of Asian carp. Black Carp have large scales, and a short and rounded dorsal fin. Their eye sits in the middle of their head and they lack barbels. Their dorsal fin origin is slightly ahead of the pelvic fin and their anal fin lacks a spine and is short in length. They also have a thick caudal peduncle.