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Cleaning Substrate in Reef Aquaria – Popular Sand-sifting Cucumbers

Holothuria Feeding TentaclesYour reef tank may be immaculate except for a rusty-brown dusting of diatomic algae on your substrate. Tired of siphoning just to have the diatoms come right back? Relatively inexpensive and highly efficient, a sand-sifting sea cucumber may be the solution you’re seeking.

There are many species of sea cucumber available in the aquarium hobby. They get their name from their elongated, cylindrical body shape. Some are colorful, some are not, some are smooth, while others appear knobby or textured. Some are filter feeders that cling to the glass, waiting for food to come to them in the water flow. There are three specific types of sand sifters that are commonly offered which do a really great job cleaning up your sand. All of them belong to the genus Holothuria and they are very efficient at what they do.  Read More »