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Wednesday, February 08, 2012

Zooplankton Prey

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ReefChat Administrator

March 22, 2006

Zooplankton Prey

Zooxanthellae provide their coral hosts with a proportion of their required energy (Barnes & Hughes, 1999). As well as gaining energy from their symbiotic zooxanthellae, many corals feed at night by consuming zooplankton prey (Barnes 1987, Sebens et al. 1996, Ferrier-Pages et al. 2003). By extending their tentacles equipped with stinging nematocyst cells, corals are able to capture the zooplankton in the water column. The trapped prey is then transported to the centre of the polyps oral disk and ingested through the gastrovascular cavity. In addition to capturing zooplankton, many corals also collect fine particles in mucus film or strands covering their surface. The mucus film or strands covering their surface. The mucus and trapped particles are then transported to the mouth by the cilia at the coral tissue surface (Barnes & Hughes, 1999).

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Zooxanthellae zooplankton

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