Acclimation of the Shrimp, Periclimenes Anthophilus, to the Giant Sea Anemone, Condylactis Gigantea
Abstract:The shrimp Periclimenes anthophilus Holthuis and Eibl-Eibesfeldt acquires protection from the tentacles of its host anemone, Condylactis gigantea, during acclimation. The shrimp is observed to acclimate to the anemone but not the anemone to the shrimp. The process of acclimation was completed in 2 h 40 min. The shrimp's body length and molt stage did not influence acclimation time. The shrimp was observed to gradually lose its protection from its host during isolation from the latter; shrimp lost their protection, became unacclimated, after 3 days 10 h of isolation. Additionally, shrimp became unacclimated when their integument was wiped; it is suggested that the shrimp's protective mechanism preventing the discharge of cnidae is secretions on its epicuticle. Similarities between anemone fishes and anemone shrimps are discussed.
Document Type: Research Article
Publication date: March 1, 1992
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