Banded Butterflyfish – Discover Fishes https://www.floridamuseum.ufl.edu/discover-fish/species-profiles/banded-butterflyfish/
Chaetodon striatus These small, flat, oval shaped reef fish have pointed snouts and sloping foreheads that flare out to spines and fins that encompass their profiles. As adults they are white with strong black vertical stripes and yellow highlights on their fins, but juveniles are distinctly dark
This butterflyfish has also been observed forming schools of 20 individuals during plankton