Sea Cucumbers
Some sea cucumbers would be a great addition to a clean-up crew taking care a a live sand bed. While others like a Sea Apple look cool and filter the water. Cucumbers need good water quality and an established aquarium to be the most successful in the long term care.
![Salty Underground: Sea Cucumbers](https://www.saltyunderground.com/c/152-category_default/sea-cucumbers.jpg)