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").
Seaweed blenny discarded human debris. The male guards the nest until the eggs hatch. The larvae are planktonic at first, settling on the seabed when about long. Seaweed blenny The seaweed blenny ("Parablennius marmoreus") is a species of combtooth blenny found in coral reefs in the western Atlantic Ocean along the coasts of New York, Bermuda, the Bahamas, also in the Gulf of Mexico, south to southern Brazil. This species reaches a length of TL. The seaweed blenny has a blunt head, a beak-like snout and a long, slender body. It grows to a maximum length of about . The mouth contains