My star fish

Discussion in 'New Members' started by sacha, 16 Feb 2010.

  1. sacha

    sacha

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    hi there to all. This site looks great and im hoping to learn alot about my marine tank. to anyone who knows starfish. we are new to the marine aquarium. we acquired one and would like to know what star fish we have. Also what it eats. [​IMG]
     
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  3. Tobes

    Tobes Retired Moderator

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    Welcome to MASA Sacha, glad you joined us. Please feel free to share more about your tank and it's filtration - we love pictures!
    How long has the tank been running?
    Lovely big star, but I think it is the predator type - not sure though :p
     
  4. sacha

    sacha Thread Starter

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    Do you think the star fish eats mussels. ive looked all on the net and cant find it.
     
  5. nickv1

    nickv1

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    Yes very welcome!

    Lovely star...looks dangerous and hungry though.:)
     
  6. sacha

    sacha Thread Starter

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    i also have peri winkles. do they need special food
     
  7. sacha

    sacha Thread Starter

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    thanks do you know what it is. We have mussels, anenamys (excuse spelling) pery winkles and limpids. Will the star eat them as not sure what else to feed him
     
  8. nickv1

    nickv1

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    You will first need to identify it...where did you buy it from. Did they not say what kind this is with eating habits etc? My marine handbook does not have this one sorry...
     
  9. Dane

    Dane

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    Hi Sacha, that is a Spiny Starfish Marthasterias glacialis It gets really big - 20cm+ and is a ferocious predator of mussels.... Also its a cold water species, so probably not comfortable in a tropical tank - although it doesn't sound like you're keeping a cold water tank?
     
  10. sacha

    sacha Thread Starter

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    Well our temp of the tank is 26. thank you for letting me know the type of star. I got lots of rocks with mussels, anemones (red color) sea urchines (blue) from hear in Wilderness near george sea. we put little fish from the rock pools in and some hermit crabs and peri winkles. [​IMG][​IMG]

    Do you know what this fish is. got yellow stripes on it
     
  11. Tobes

    Tobes Retired Moderator

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    Can you post full tank sjots and pics of the fitration? What skimmer do you use?

    Not to be funny, but that rock will not be any good for biological fitration as it is too dense. Live rock needs to be porous so that bacteria and goggos can live in there to convert the ammonia to nitrites to nitrates.
     
  12. Tobes

    Tobes Retired Moderator

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    OOOPS, forgot - the substrate is also too coarse, detritus will settle and cause water quality problems later on. It is best if substrate is very fine particles, like reggies play sand.
     
  13. sacha

    sacha Thread Starter

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    Thank you for your input. much appreciated
    the tank is 1.2m, got a protein skimmer - jebo quadplex 182 , 2 gravel filters, external 500 cascade canister filter. temp is now 26 degrees celcius.
    1. What rock do you suggest that i get. I want real rock not plastic. Also what sea weed from the ocean can i grow in there for my winkels to feed on
    2. Will the star survive
    3. do you know what fish that is

    I appreciate all your help
     
  14. sacha

    sacha Thread Starter

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    Forgot the pic of the tank[​IMG]
     
  15. sacha

    sacha Thread Starter

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    forgot to ask.
    can i use gravel filtration if we change to fine sand. could i get the beach sand from here in wilderness
     
  16. Dane

    Dane

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    WRT the starfish - I wouldn't recommend keeping it. You'll have to provide it with lots of mussels to eat - or target feed it a lot. Its a monster so its going to cause a fairly monstrous bioload...
     
  17. jacquesb

    jacquesb Retired Moderator

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    Hi Sacha - I responded to your request in the other "starfish" forum.

    These starfish are predatory, and require to be fed with live periwinckle snails, as well as mussels.

    They will NOT survive long at 26 degrees Celsius. They do not do very well above 20 degrees Celsius. They are a temperate water species.

    PLEASE DROP YOUR WATER TEMP IMMEDIATELY, else these starfish WILL die.

    Also - because these starfish are predatory, they eat a lot, and they CRAP a lot. Meaning that you HAVE to be extremely diligent with water changes.
    Alternatively, get yourself a really decent skimmer.

    Good luck with keeping these fella's. I had to use a chiller to keep my cold water tank's temperature down (I kept mine at 19 degrees celsius)....
     
  18. jacquesb

    jacquesb Retired Moderator

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    Yes, you can use beach sand.

    BUT, this will not help in any way, with the bioload that these starfish place on your tank......

    Rather look at doing a LOT of water changes frequently, or get a decent skimmer.
     
  19. sacha

    sacha Thread Starter

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    Thank you for you reply.
    We live on the sea. can we keep topping up our tank or should i rather discard the star. I have lots of mussels & winkles in the tank.
    Do you know what
    Live rock is & where can i get it.
    Should i get beach sand.
    Our sea in this area is warm. we just have rock pool fish in the tank
     
  20. sacha

    sacha Thread Starter

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    We live in wilderness, garden route
     
  21. Tobes

    Tobes Retired Moderator

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    To keep a predator tank, in this case your predator star, you'll need to do frequent water changes to get rid of all the nutrients. You must siphon the substrate for any left overs and starfish poo regularly :p
    You can get good quality live rock from our sponsors - go look in the live rock forum for some info and ask the sponsors in the sponsor request forum - they can ship for you ;)
    When you say top up the tank, you mean water changes? Because when water evapourates from the tank you need to top it up with RO water only - no salt - as only the water evapourates :)
    Yes you can use sea sand for substrate, most guys don't as it is a brown or beige colour - most prefer white as it looks clean. Seasand is obviously the best as it will have lots of bacteria and critters that will benefit your tank - just make sure you add it quickly after collection to minimise die-off :wave2:
     
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