During their larval phase, numerous species of coral reef fish are drawn toward areas where light is present. To better understand how artificial light at night (ALAN) might affect some coral reef fish, researchers explored the effect of exposure to low levels of ALAN on the reproductive success of the common clownfish (Amphiprion ocellaris). While exposure to low levels of ALAN had no significant effect on spawning frequency and egg fertilization in A. ocellaris, incubation in the presence of ALAN completely inhibited hatching. These findings suggest that blank
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