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Thread: Baby stars

  1. #1

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    Default Baby stars


    4 Not allowed!
    At my place of employment we have a 500 g saltwater tank. I make it a habit to check out what's going on when I have a moment. Today I noticed some teeny sea stars so I snapped a photo with my tablet. They are approx 6mm arm tip to arm tip. Me not knowing too much about marine inverts thought it was pretty cool. I also snapped a pic of a larger one.
    IMG_1012.jpg

    IMG_1016.jpg
    Brian

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  2. #2

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    2 Not allowed!
    The small ones aren't babies, they are asterina starfish and are common in marine setups...kind of like how bladder snails are so common in planted freshwater tanks. They usually hitchhike in on corals or live rock.

    Some hobbyists don't mind them. Others feel they are pests that can multiply quickly by fragmentation (hence the missing/stubby arms) and some species are known to eat corals so a lot of hobbyists try to eliminate them on sight rather than wait and find out the hard way whether they are reef-safe or not.

    I personally think they are cute, but I also don't have any in my reef. I had some come in on the chaeto algae I use in my refugium/sump, but I removed them from the chaeto before adding it to the sump.

  3. #3

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    Default


    0 Not allowed!
    Good information. The aquarium is maintained by a company. It has been set up for a couple of years.
    Brian

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  4. #4

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    0 Not allowed!
    Cool!

    Are they really that blue, or is it the tank's lighting?
    20 gal. high: planted; 5 white cloud minnows, 4 golden White Clouds, several RCS, 2 blue shrimp, 5 Amano shrimp, several snails; Azoo air. 65 gal: planted; 6 rosy barbs, 6 yellow glofish, 3 red glofish, 3 zebra danios, 5 white cloud minnows, 3 dojo loaches, 6 crimson spot rainbow fish, 12 large Amano Shrimp, several snails; AC110.

  5. #5

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    1 Not allowed!
    Quote Originally Posted by mermaidwannabe View Post
    Cool!

    Are they really that blue, or is it the tank's lighting?
    when I went by the aquarium in the morning that day only the actinic lighting was on. it is a nice tank but is set up to be viewed from both sides and has a lot of open space in the center that you can see whats going on on the other side.
    Brian

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  6. #6

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    1 Not allowed!
    I have a few asterina's in my reef set up (classic hitch-hikers); they're all mostly asymmetric in shape with varying number of limbs of varying size (as if they were reared in radioactive water or something); the harmless ones (='reef safe') consume algae.
    African cichlid and saltwater aquariums

  7. #7

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    2 Not allowed!
    A lot of people hate them, claiming that they can eat coralline algae and corals. I have a client tank where they all migrate onto the center overflow box, never spreading to the outside walls. I guess it grows enough algae on it that they wouldn't want to be anywhere else. Tank has been that way for a long time.
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