Carybdea rastoni
Distribution:
Very rare in Southern California, more commonly seen in tropical waters around Hawaii, Australia, Japan, and the Phillipines.
Habitat:
Shallow coastal waters.
Size:
15-40 mm bell diameter, as adults.
Diet:
Crustaceans and small fish.
Useful Facts or Characters:
Cube-like shape with 4 flattened sides; one long tentacle comes from each corner of the cube. Pinkish-brown gonads visible when viewed from above.
Natural History:
Common name is the jimble. They have a painful sting. They are very transparent and can be difficult to see in the water. They bear well developed eyes and move towards light.
References:
video source: http://www.youtube.com/watch?v=VIMOcRv1f0s