1) Remilegia australis 2) Remora 3) Suckerfish 4) Sucking fish 5) Whale sucker 1) Remora 
The whalesucker, Remora australis, is a species of remora in the family Echeneidae, so named because it attaches itself exclusively to cetaceans. It is found worldwide in tropical and warm waters; in the Gulf of Mexico and western Atlantic Ocean, it occurs from Texas to Brazil, and in the eastern Pacific Ocean, it occurs from Vancouver Island to C...
[n] - large blue Pacific remora that attaches to whales and dolphins