It occasionally makes its way into the aquarium trade.

They live in small groups of one mature male that guards a nest site on the seafloor and several females.

[2] As they reach sexual maturity, they usually lose their "eyespot" on their dorsal fin.

P. amboinensis is a protogynous species - all individuals start out as females and later can turn into males.

[2] This species has been shown to have colour vision using behavioral experiments that control for brightness, apparently being the first known example of colour discrimination in reef fish.