Alex Mustard / Harlequin sweetlips (Plectorhinchus chaetodonoides) cleaned by a pair of bluestreak cleaner wrasse (Labroides dimidiatus). South Atoll, Tubbataha Atolls, Tubbataha Reefs Natural Park, Palawan, Philipp...

Georgette Douwma / Many spotted sweetlips (Plectorhinchus chaetodonoides). Celebes Sea, Indo Pacific

David Fleetham / Many spotted sweetlips (Plectorhinchus chaetodonoides) on Tubbataha Reef, Philippines.

David Fleetham / Many spotted sweetlips (Plectorhinchus chaetodonoides) with yellow Pygmy sweepers (Parapriacanthus ransonneti) Komodo, Indonesia.

David Fleetham / Two adult bluestreak cleaner wrasse (Labroides dimidiatus) searching a clown sweetlips (Plectorhinchus chaetodonoides) for parasites, Indonesia.

Bert Willaert / Oriental sweetlips (Plectorhinchus vittatus) and Harlequin sweetlips (Plectorhinchus chaetodonoides), Bismarck Sea, Vitu Islands, West New Britain, Papua New Guinea

Franco Banfi / Many-spotted sweetlips (Plectorhinchus chaetodonoides) Tubbataha Reef Natural Park, UNESCO World Heritage Site, Sulu Sea, Cagayancillo, Palawan, Philippines

Franco Banfi / Shoal of Many-spotted sweetlips (Plectorhinchus chaetodonoides) on a cleaning station, Tubbataha Reef Natural Park, UNESCO World Heritage Site, Sulu Sea, Cagayancillo, Palawan, Philippines

Alex Mustard / Long exposure of a juvenile Harlequin sweetlips (Plectorhinchus chaetodonoides), which dance as a defence from predators. The dance may mimic the movements of poisonous flatworms or may simply confuse...

Pascal Kobeh / School of Yellow sweepers / Glassfish (Parapriacanthus ransonneti / guentheri) on reef with Lemonfish / Gold-spotted sweetlips (Plectorhinchus flavomaculatus), coast of Dhofar and Hallaniyat islands,...

Alex Mustard / Harlequin sweetlips (Plectorhinchus chaetodonoides) with cleaning Bluestreak cleaner wrasse (Labroides dimidiatus) and Bicolour cleaner wrasse (Labroides bicolor) South Atoll, Tubbataha Atolls, Tubbat...

Juergen Freund / Many spotted sweetlips (Plectorhinchus chaetodonoides) and other fish under table coral on a healthy coral reef, Komodo NP, Indonesia, Indo-pacific.