Cushion Snails [Triviella]

Description

Triviella is a genus within the family Velutinidae, known for its cushion-shaped marine snails. These snails possess a highly reduced, internal shell that is almost completely enveloped by their thick, often brightly colored mantle. Triviella species are typically found in tropical to temperate marine environments, where they inhabit coral reefs, rocky substrates, and seagrass beds. They are nocturnal feeders, preying on sessile invertebrates such as bryozoans and small crustaceans. The cushion-like appearance of Triviella snails, combined with their vibrant colors, makes them a unique and visually striking component of their ecosystems.

Species

Cushion Star [Asterina gibbosa]

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Cushion Sea Star [Culcita novaeguineae]

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Spiny Cushion Star [Culcita schmideliana]

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Taxonomy