Black-ray goby mother bird regurgitating food to her chicks. This way, the shrimp and the goby are kept well fed. Sometimes, if the shrimp is not kept well fed, it will resort to killing the goby. In the wild, most burrows are shared by male and female goby pairs, with their respective shrimp partners, and the female goby will use this burrow as a nesting site to lay her eggs. The obvious benefits to both organisms of this symbiotic relationship make the interaction a form of mutualism. Here is an interesting example of this. The other fish is a dartfish (genus "Ptereleotris").
Orangespotted goby depth. The goby and its host shrimps interact closely and the goby is dependent on its hosts' burrow for cover. The goby acts as a sentinel, watching for danger from the entrance of the burrow. The diet of the orangespotted goby consists mainly of small gastropods, decapods, ostracods and isopods. Orangespotted goby The orangespotted goby (Nes longus) is a species of goby native to the tropical Atlantic coast from Bermuda and southern Florida through the Caribbean Sea and Gulf of Mexico south to the Caribbean coasts of Venezuala and Colombia, where it prefers silty bottoms around reefs. It is a