| 词源 |
remora. In ancient times Roman sailors believed that the lit- tle remora (Remora remora) fastened itself to their sailing ves- sels and slowed them down, delaying them, so they named the fish remora, or “delayer.” In nature the remora attached itself to the undersides of sharks, whales, swordfish, and even tuna by means of its highly efficient suction disk, which is actually a greatly modified first and spiny dorsal fin. Not only does it hitch a free ride, but it also eats pieces of food dropped by the host fish. The remora does do some good, however, by acting as a cleaner fish and removing parasites from its host’s hide. |