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Repeated and Widespread Evolution of Bioluminescence in Marine Fishes

Fig 1

Evolution of Bioluminescence across Ray-Finned Fishes.

Evolutionary relationships and divergence times of ray-finned fishes inferred from 11 gene fragments. Letters at nodes correspond to clades indicated in Fig 4. Branch colors indicate the presence of bioluminescence and whether the mechanism of bioluminescence is intrinsic, bacterially mediated, or unknown. Examples of bioluminescent ray-finned fishes include the A: midshipman (Porichthys: intrinsic), and B: flashlight fish (Anomalops: bacterially mediated).

Fig 1