Jointed razorfish

 

Scientific name : Aeoliscus strigatus

 

Family : Centriscidae
Size : Up to 15 cm
Distribution : Indian ocean, West Pacific

 

Biology : They move in groups, head facing down, tail up. They feed on zooplankton. The almost daily reproduction looks like a graceful ballet.
They live close to the bottom, close to fallback areas to escape predators by hiding either in the spines of sea urchins, corals or in gorgonians.