Eastern blue groper (Achoerodus viridis), being cleaned by a smaller wrasse, the Bluestreak cleaner wrasse (Labroides dimidatus). Most males, bright b

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Eastern blue groper (Achoerodus viridis), being cleaned by a smaller wrasse, the Bluestreak cleaner wrasse (Labroides dimidatus). Most males, bright blue, dominate a harem-like group of females and are territorial toward other males. If the male disappears, the largest female takes over and changes sex. Sydney Harbour, New South Wales, Australia

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Size: 3872px × 2592px
Photo credit: © Mark Spencer/AUSCAPE / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: achoerodus, actinopterygii, animal, auscape, australia, blue, cleanerfish, emblem, endemic, fauna, fish, fishes, hermaphrodite, labridae, life, marine, mark, pacific, perciformes, protogynous, reef-, sea, south, southeastern, southwest, spencer, subtropical, underwater, wales, wildlife, wrasse