Sand Cucumbers

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  Tigertail Sand Eating Cucumber - Holothuria impatiens

  Sand Eating Cucumbers play an important role in sand bed maintenance. They eat sand particles with minimal destruction to the fauna living in the sand. This tigertail eats sand and digests the bacteria off of it, leaving piles of clean sand behind. After digestion, the sand is ready to be recolonized by bacteria. Sand cukes tend to hide during the day and only come out at night.

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  Yellow Sea Sand Cucumber - Holothuria sp.

  This yellow sea cucumber belongs to the Holothuroidea class of echinoderms. Sand cucumbers are important for sand bed maintenance as they process sand particles and help with nutrient cycling in the aquarium.