Blue-and-yellow-grouper
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Biology
Juveniles of this species are blue and yellow and inhabit shallow waters. The adults are black and can be found at great depths. The blue-and-yellow-grouper feeds on a variety of fishes, shrimps and squids.
Curiosities
This grouper is also hermaphroditic, however it is distinct in that the female changes into a dominant male, when the number of males is low.