The Anemone Shrimp (Ancylomenes holthuisi) is easily found on larger sea anemones, where it enjoys a symbiotic relationship with its host. This shrimp, which can grow up to 2.5 cm long, is known for its striking orange and white coloration. It uses its small size and vibrant colors for camouflage among the anemone's tentacles. The shrimp feeds on parasites and detritus found on the anemone, while the anemone provides protection for the shrimp. This mutualistic relationship benefits both species, with the shrimp gaining food and the anemone receiving cleaning services.
Reproduction
Anemone shrimp typically reproduce through external fertilization. During mating, the male and female engage in a courtship display where the male may present the female with food or perform specific movements to attract her. After mating, the female carries fertilized eggs in her abdomen, which she holds in a brood pouch. The eggs develop into larvae, which are released into the water column. The larvae eventually settle onto a sea anemone, where they will grow into adult shrimp.
Predators
Anemone shrimp are preyed upon by larger fish, crustaceans, and octopuses, though their close association with sea anemones offers some protection from these predators. Humans can be considered predators of Anemone Shrimp too, especially in the context of marine life collection for aquariums. In such cases, they are removed from their natural habitat, which can impact their survival and well-being. Conservation efforts and responsible collection practices are so important to ensure that their populations remain healthy and sustainable.
Where to find Anemone shrimp on Koh Tao
You can spot the Anemone shrimp while scuba diving in many dive sites around Koh Tao, check out dive sites like: