Ecology

Habitat

Occurs worldwide in temperate, and cool-temperate seas, usually on rocky boulder slopes and reef habitats.  Some species known to exist in tropical habitats.

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underneath rocks or in cracks and crevices. Shallow subtidal and intertidal. In association or not with morray eels.

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Life History and Behavior

Behavior

Mutualism

Provides cleaning to remove parasites and dead skin off of various fish species.  

Spend more time cleaning the ventral rather than the dorsal surface of the fish because they are reluctant to board the fish. 

Mutualistic behavior more associated with gregarious, wandering, and omnivorous.  Therefor, not highly dependent on its host for survival and not known to display themselves to attract host.

Extremely agile movement when disturbed.  Seeks out nearest cover for protection, usually in a rock crevice.

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Gregarious behavior. Living in large groups in crevices or cracks when in association or not with morray eels. Non specialized cleaner.

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Reproduction

Protandric Simultaneous Hermaphroditism

Based on size frequency distributions, it is evident that individuals initially develope as males and then change to femals in a single molt.

Female Phase individuals are able to copulate as males with other prespawning Female Phase individuals following their molting event.

Restricted capability of encountering partners to mate with by shrimps because of their association with their hosts would have favored PSH.

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Physiology and Cell Biology

Physiology

Absence of a bivalve carapace and omission of a seventh abdominal somite.

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Molecular Biology and Genetics

Molecular Biology

Barcoding with mitochondrial 16s RNA DNA. Genebank number EU861498
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