Phylum Chordata

Fish are vertebrate marine animals with streamlined bodies that help them swim without much resistance in the water, and they also have fins to assist them in swimming. Scales cover the fish's body, and they breathe through gills.

Photophore

A large light organ located under the eye that emits light. It is filled with special bacteria that produce this light. The fish get light and the bacteria get a place to live and eat!