Filter Feeding Invertebrates

Include in this category any species that derives all of its nutrition from particulate food it strains from the water. Many bivalves, fan worms, some anthozoans, and even a few crustaceans fit the description. Filter feeders that lack zooxanthellae present special challenges because their food requirements must be met with plankton substitutes added by the aquarist. Designs featuring these animals can be recommended to advanced aquarists only. On the other hand, many anthozoans that bear zooxanthellae obtain additional nutrition through filter-feeding. These are usually easy to keep if provided with sufficient light and small amounts of plankton substitutes.

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