Juergen Freund / Harlequin shrimps (Hymenocera elegans) on a Linkia blue starfish, North Sulawesi, Indonesia.

Tim Laman / Harlequin shrimp (Hymenocera elegans) feeding on arm severed from a Blue starfish / Sea star (Linckia laevigata) , Malapascua Island, Visayan Sea, Philippines

GEORGETTE DOUWMA / Harlequin shrimp (Hymenocera elegans) feeding on starfish prey (Note the comb jelly on claw). Bali, Indonesia

GEORGETTE DOUWMA / Harlequin shrimp (Hymenocera elegans), pair feeding on starfish prey. Bali, Indonesia

GEORGETTE DOUWMA / Harlequin shrimp (Hymenocera elegans), pair feeding on starfish prey. Bali, Indonesia

GEORGETTE DOUWMA / Harlequin shrimp (Hymenocera elegans) with comb jelly on claw, Bali, Indonesia

GEORGETTE DOUWMA / Harlequin shrimp (Hymenocera elegans). Bali, Indonesia

GEORGETTE DOUWMA / Harlequin shrimp {Hymenocera picta / elegans} with Starfish prey {Fromia monilis} turned upside down to prevent it from escaping, Andaman Sea, Thailand.

Constantinos Petrinos / Harlequin shrimp {Hymenocera elegans} feeds on starfish {Linckia laevigata}

GEORGETTE DOUWMA / Harlequin shrimp {Hymenocera elegans} on seastar prey. Andaman sea, Thailand

Constantinos Petrinos / Harlequin shrimp {Hymenocera elegans} feeding on starfish {Linckia laevigata} Philippines

Roberto Rinaldi / Two harlequin shrimp (Hymenocera elegans), Mergui archipelago, Myanmar.

Constantinos Petrinos / Harlequin shrimps {Hymenocera elegans} feed on starfish {Linckia laevigata} Philippines

Constantinos Petrinos / Harlequin shrimps {Hymenocera elegans} feed on starfish {Linckia laevigata} Philippines