Spiny Astrea Snail (Astraea Sp.)

Spiny Astrea Snail (Astraea Sp.)

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The Spiny Star Astraea Snail has a unique shell and a ravenous appetite for algae. Unlike many bottom dwellers that are dressed in drab colors to better camouflage themselves against the sand bottoms, Astraea phoebia boasts a pyramid-shape shell with beautiful, green, yellow, and tan coloration. The Spiny Star Astraea boasts pronounced projections on their shells creating a sculptured spiral star shape that is sure to dazzle the eye.

Though interesting to observe in your home aquarium, the Spiny Star Astraea Snail serves a greater function of cleaning algae-covered live rock. It is very adept at keeping your aquarium clean. In fact, this small herbivore prefers to feed on nuisance hair algae, as well as cyanobacteria and diatoms. Some aquarists also report that the Spiny Star Astraea Snail actually consumes the entire hair algae structure, which helps prevent immediate further algae growth.

The Spiny Star Astraea prefers established aquariums with ample hiding places and sufficient room to roam. In addition to eating algae off of your live rock, this member of the Astraeinae family will also clean your aquarium glass. However, the Spiny Star Astraea Snail is not known to be a climber like other smaller-shelled snail species. Care needs to be taken to observe the daily activities of this hungry snail since it has difficulty righting itself if it falls or is knocked upside down.

Like other invertebrates, the Spiny Star Astraea Snail is sensitive to high nitrate levels and will not tolerate copper-based medications. The Spiny Star Astraea Snail requires a gradual acclimation period, preferably the drip acclimation method (often over two hours), since it cannot tolerate even minute changes in water parameters. If sufficient food levels are not present, supplement the diet with blanched spinach or lettuce and vegetable-based tablet foods.