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Fish aglow: Hidden colors in the sea
A green biofluorescent chain catshark (Scyliorhinus retifer). Scientists already knew that some marine organisms fluoresce, including corals and jellyfish, but the NSF-funded study, The Covert World of Biofluorescence is the first reported evidence of widespread biofluorescence among fishes.
Credit: J. Sparks, D. Gruber, and V. Pieribone
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Researchers discovered a rich diversity of fluorescent patterns and colors in marine fishes, as exemplified here. A) swell shark (Cephaloscyllium ventriosum); B) ray (Urobatis jamaicensis); C) sole (Soleichthys heterorhinos); D) flathead (Cociella hutchinsi); E) lizardfish (Saurida gracilis); F) frogfish (Antennarius maculatus); G) stonefish (Synanceia verrucosa); H) false moray eel (Kaupichthys brachychirus); I) Chlopsidae (Kaupichthys nuchalis); J) pipefish (Corythoichthys haematopterus); K) sand stargazer (Gillellus uranidea); L) goby (Eviota sp.); M) Gobiidae (Eviota atriventris); N) surgeonfish (Acanthurus coeruleus, larval); O) threadfin bream (Scolopsis bilineata).
Credit: PLOS ONE
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A red fluorescing scorpionfish (Scorpaenopsis papuensis) perched on red fluorescing algae at night in the Solomon Islands.
Credit: PLOS ONE
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A triplefin blennie (Enneapterygius sp.) under white light (above) and blue light (below). Scientists already knew that some marine organisms fluoresce, including corals and jellyfish, but the NSF-funded study, The Covert World of Biofluorescence is the first reported evidence of widespread biofluorescence among fishes.
Credit: J. Sparks and D. Gruber
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Researcher David Gruber searching for new biofluorescent organisms off Hele Island, Solomon Islands, with a camera system and blue lights.
Credit: Ken Corben
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