A cleaner shrimp (Lysmata amboinensis), inspects the teeth of an undulated moray eel, Hawaii, United States of America, Pacific, North America

Three squat anemone shrimp (Thor amboinensis), at the base of a tube anemone, Philippines, Southeast Asia, Asia

A cleaner shrimp (Lysmata amboinensis) inspecting a honeycomb moray eel (Gymnothorax favageneus), Philippines, Southeast Asia, Asia

A pair of white striped cleaner shrimp (Lysmata amboinensis), Tulamben, Bali, Indonesia, Southeast Asia, Asia

Squat Shrimp, Thor amboinensis, Triton Bay, West Papua, Indonesia

Pair of Squat Shrimps, Thor amboinensis, Triton Bay, West Papua, Indonesia

Needle Shrimp on Black Coral, Tozeuma armatum, Bali, Indonesia

Pair of Squat Shrimps, Thor amboinensis, Triton Bay, West Papua, Indonesia

Two squat anemone shrimp (Thor amboinensis) in Curacao.

Squat shrimp, Milne Bay, Papua New Guinea.

Close-up, head of a giant moray (Gymnothorax javanicus) opens mouth for two white-banded cleaner shrimps (Lysmata amboinensis), Pacific Ocean, Palau, Oceania

Camel shrimp (Rhynchocinetes durbanensis) hiding in coral reef, Indian Ocean, Maldives, Asia

Yellow-edged moray (Gymnothorax flavimarginatus) at cleaning station with pacific cleaner shrimp (Lysmata amboinensis), Sodwana Bay National Park dive site, Maputaland Marine Reserve, KwaZulu Natal, South Africa, Africa

Group of camel shrimp (Rhynchocinetes durbanensis), Indian Ocean, Maldives, Asia

Vermillion seabass (Cephalopholis miniata) with cleaner shrimp (Urocaridella antonbruunii), Pacific, Indian Ocean, Red Sea

Lysmata late stage zoea larva that was photographed under water during a blackwater dive off the Kona coast, the Big Island; Island of Hawaii, Hawaii, United States of America

A necessary alliance, a symbiosis even between this moray eel (Gymnothorax javanicus) and this cleaning shrimp (Lysmata amboinensis). Depth: 65m, Mayotte

Spotted marbled shrimp (Saron neglectus) on sand, Mayotte