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  1. U

    Mysterious crab!?

    Might be a type of shore crab if it's burrowing in the sand. If so, would likely mean it needs access to air. More photos please.
  2. U

    Hitch Hiker ID

    Isopod. This is a good thing. Scroll down and you will see them in this link. http://www.lionfishlair.com/hitchhiker/hitchhiker.shtml
  3. U

    Mysterious crab!?

    Likely a dumb question. But to me, river rock means fresh water? Have you tried typing in google search, "fresh water crab id," or something similar and go through the photos? Are we talking brackish water? Also knowing what part of the world the rock came from could also help. I find the...
  4. U

    Crab?

    Mostly out of fear the crab may cause harm to fish, corals, snails, or other life in the tank. Though there really isn't a whole lot of information available on many of the species we find. Xanthid crabs (Gorilla crabs) have a poor name in the reefing community. The Xanthidae family has...
  5. U

    Crab?

    Well, many reefers choose to remove any Xanthid crabs that manage to hitchhike there way into a tank. When you catch him take some good photos for a id.
  6. U

    What is this?

    You might need better photos to get help.
  7. U

    Need coral ID please

    Looks like a type of star polyp to me. They like good flow and light. Though they do spread quickly. You may want to make this an island on the sand so it doesn't spread.
  8. U

    What are these on back of PH & sides of tank?

    Spirorbid polychaete. No worries. Sign of good water quality. Just a pain to remove if you want to clean them off.
  9. U

    hitchhikers and coral

    Just my 2 cents. These look like button polyps. Easy coral to keep but they multiply like crazy. Button Polyp - Palythoa sp.
  10. U

    Crab?

    Might need better photos for a id. That black racing strip down the middle reminds me a type of Pilodius crab? Pilodius spec - YouTube
  11. U

    Crab????

    Nice hitchhiker. I agree with porcelain crab. Looks like something from the Petrolisthes genus.
  12. U

    need some IDs please

    Foraminiferans. Harmless.
  13. U

    New hitchhiker ID please.

    1 & 2 look like limpets
  14. U

    need some IDs please

    I agree with stomtella snail for the first two photos. Good hitchhiker. The crab i doubt is a emerald crab. When crabs hitchhike resembling emeralds usually they belong to another species in the same genus Mithraculus. Usually it's a type of xanthidae crab that finds a way into our tanks...
  15. U

    Please identify this cresture

    Just make sure it's not hermodice carunculata.
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