th others. Reef fish in the Red Sea, for instance, watch wrasses clean other reef fish, to determine whether or not they’re cooperative, as biologist Redouan Bshary discovered. Bshary went scuba diving off Egypt’s coast to observe this symbiotic relationship. Bluestreak cleaner wrasses (Labroides dimidiatus) eat

others. Reef fish in the Red Sea, for instance, watch wrasses clean other reef fish, to determine whether or not they're cooperative, as biologist Redouan Bshary discovered. Bshary went scuba diving off Egypt's coast to observe this symbiotic relationship. Bluestreak cleaner wrasses (Labroides ditnidiatus) e

others. Reef fish in the Red Sea, for instance, watch wrasses clean other reef fish, to determine whether or not they're cooperative, as biologist Redouan Bshary discovered. Bshary went scuba diving off Egypt's coast to observe this symbiotic relationship. Bluestreak cleaner wrasses (Labroides dbnidiatus) ea