Images: Fish Secretly Glow Vibrant Colors

Chain catshark

chain catshark

(Image credit: ©J. Sparks, D. Gruber, and V. Pieribone)

Fish diversity, 1

fish diversity

(Image credit: ©PLOS ONE)

C). sole (Soleichthys heterorhinos); D). flathead (Cociella hutchinsi); E). lizardfish (Saurida gracilis); K). sand stargazer (Gillellus uranidea); L). goby (Eviota sp.); M). Gobiidae (Eviota atriventris).

Fish diversity, 2

fish diversity

(Image credit: ©PLOS ONE)

F). frogfish (Antennarius maculatus); G). stonefish (Synanceia verrucosa); N). surgeonfish (Acanthurus coeruleus, larval); O). threadfin bream (Scolopsis bilineata).

Fish diversity, 3

fish diversity

(Image credit: ©PLOS ONE)

B). ray (Urobatis jamaicensis); C). sole (Soleichthys heterorhinos); H). false moray eel (Kaupichthys brachychirus); I). Chlopsidae (Kaupichthys nuchalis); J). pipefish (Corythoichthys haematopterus).

Sea horse

sea horse

(Image credit: American Museum of Natural History)

Sea horse.

Triplefin blennie

triplefin blennie

(Image credit: ©J. Sparks and D. Gruber)

A triplefin blennie (Enneapterygius sp.) under white light (above) and blue light (below).

Laura Poppick
Live Science Contributor
Laura Poppick is a contributing writer for Live Science, with a focus on earth and environmental news. Laura has a graduate certificate in science communication from the University of California, Santa Cruz, and a Bachelor of Science degree in geology from Bates College in Lewiston, Maine. Laura has a good eye for finding fossils in unlikely places, will pull over to examine sedimentary layers in highway roadcuts, and has gone swimming in the Arctic Ocean.