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Asterina Starfish

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There are reported to be three species of Asterina that are commonly imported with live rock. The 0.5cm, whitish ones appear to be pure algal feeders. This is the species we are most likely to experience in our reef aquaria. A few are known to eat SPS corals, one is vivid green and the other 1cm+ across the arms at maximum size.

Common Name(s): Asterina Starfish
Care Level : Easy
Maximum Size: 0.5cm
Reef Safe: Most are
Feeding Requirements: Most eat algae and detritus, some species do eat SPS.
Temperament / Behavior: Peaceful
Other Comments: These small starfish are termed "cushion stars" due to their chunky appearance and quite short arms. Colours vary and are not a reliable means of identification but the unifying feature of the species we encounter regularly in our aquaria is the slightly "chewed" look – almost as if something has been nibbling their legs! The numbers of legs vary although five appears to be average.

There are reported to be three species of Asterina that are commonly imported with live rock. The 0.5cm, whitish ones appear to be pure algal feeders. This is the species we are most likely to experience in our reef aquaria. A few are known to eat SPS corals, one is vivid green and the other 1cm+ across the arms at maximum size. Both of these species are reported to predate hard and soft corals. Thus only prolonged observation of any suspicious looking specimens will determine what you have. Indiscriminate removal will ease your fears but have you just dumped something quite useful?

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