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Asterina Starfish

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  1. Asterina Starfish Asterina Starfish

    Other Names: Fiji starfish
    Color: White
    Reef Safe: with caution
    Care Level: Easy
    Join Date
    Sep 2009
    Lansing, Michigan
    Awards Photo of the Month Photo of the Month

    Additional Information & Description

    Asterina starfish, or more commonly known as Fiji starfish are generally dime sized or smaller with a large body, irregular arm length, and an irregular number of arms. They tend to hide among corals and in the crevices of the live rock during the day and can sometimes be seen clinging to the corners of the tank. This type of starfish has been shown to eat coralline algae and some corals; specifically acropora, xenia, green star polyps, zoanthids, and several types of soft leather corals. These starfish divide across the main body with two or three legs of varying lengths and multiply rapidly. Remove these starfish ONLY if they start to bother your corals. (nanoreef)

    This picture was taken with a bright pinpoint backlight flash that shows the circulatory system of the asterina starfish. At one point, I had so a significant number of asterina starfish in my tank. They were not bothering my corals, but I was still concerned about the population of them. I got a Harlequin Shrimp that quickly took care of this problem and kept the numbers under control.
    BeakerBob - Past MMMC Club President, current Board Member
    imagephp?u1&amptypesigpic&ampdateline1261894023 - Asterina Starfish
    Likes MizTanks liked this post

  2. #2
    larryandlaura - Reefkeeper
    Team CR

    Join Date
    Nov 2010
    Houghton Lake
    First Name
    Awards Monthly Giveaway Winner Fantasy Football Champion Referral Award Monthly Giveaway Winner


    You take some great pics Bob! This one is poster quality.
    Hi my name is Larry and I'm a coral addict!

  3. #3
    MizTanks - Reefkeeper
    Join Date
    Oct 2009
    U.P. of Michigan.
    First Name
    Awards Photo of the Month - October 2012 Photo of the Month Post and Reply Award - Winner of the first PAR Contest. Monthly Giveaway Winner


    Bob I've found this info very very helpful. I've got a very nice one (so far) and have chosen to leave him be (for now) I've yet to see him on any of my corals. Mostly on the LR, glass and some equipment. I will be keeping an eye on him for sure Thanks.
    There's nothing like being a Reefer! www.upmmas.com

  4. #4
    nate_newton - Reefkeeper CR Member
    Join Date
    May 2010
    St. Joseph, MI
    First Name


    Thanks for the cool pic BeakerBob. I'd like to add one of a different species. Most of the Asterina I have are irregular and small. This is the second one I've found of these. The photo below is out of water, and upside down showing the mouth. I've had them both with 5 and 6 arms, symmetrical unlike most I see, and grows to 30mm-35mm. I found this one inside my Birds of Paradise, it may also explain my zoas vanishing overnight.

    IMG 2922 - Asterina Starfish

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