Whale remora - The whalesucker, Remora australis, is a species of remora in the family Echeneidae, so named because it attaches itself exclusively to cetaceans.
Grey marlinsucker - The spearfish remora, Remora brachyptera, is a remora of the family Echeneidae, found around the world in tropical and subtropical seas.
Common remora - Physical Characteristics Common remoras have a dorsal fin and an anal fin.