hitchhiker

  1. Sherri F.

    What are these tiny white things with tenticles or fans on one side?

    Hi! Does anyone know what these are? Friend or foe? They've started popping up all over 2 pieces of live rock that came from someone's tank breakdown. They appear to be attached and aren't moving around. The fan looking end doesn't retract or spook like a feather duster worm. The fan looking end...
  2. J

    Hitchhikers in Chaeto

    Hi all, I purchased some chaeto from my LFS to put in my refugium. When I got home and opened the plastic bag, I noticed some worms in the chaeto. I meticulously went through the strands and pulled out every worm I could. Then I put the chaeto in my QT. I wish that I did a coral dip or...
  3. H

    What is this?

    오늘 어항 유리에서 작은 벌레를 발견했어요. 2mm 정도 되는 아주 작은 벌레인데, 무슨 벌레처럼 생겼어요. 그냥 놔둬도 괜찮을까요? Translated by the moderation team: I found a small bug on the glass of my fish tank today. It's tiny, about 2mm long, and it looks like some kind of bug. Is it okay to just leave it?
  4. How to catch a Gorilla Crab and MORE.

    How to catch a Gorilla Crab and MORE.

    A tried-and-true method to easily trap a rogue crab. Trap Undesirable Hitchhikers with a GLASS glass. flashlight tall glass glass frozen clam fish net Using bait that floats? Trying to catch a shrimp? Make these adjustments to the trap: shrimp tails, silversides, krill secure plastic wrap...
  5. GothFishKeeper

    What kind of shrimp is this?

    I need an ID on this guy before taking him home from work, he’s got the anatomy of a peppermint shrimp but the coloration is similar to a tiger pistol…
  6. T

    Hitchhiker on Snail

    I am a beginner that's trying to identify a hitchhiker that's on one of my snails. They don't appear on any of my other snails. I've searched other R2R threads and haven't found anything that looks like this. Any help is appreciated.
  7. Omikayalan

    Jellyfish taking over my NUVO 10

    Hello, I will be very grateful if someone could help me with these jellyfish ephyras. They spawn out of nowhere and now i might have a hundred or two in a cup of plastic with holes i made for them inside the tank. I currently feed them rotifers and planctonic copepods but i dont really see them...
  8. M

    What kind of starfish is this?

    It had to be hidden for a few months. I don’t want it if it’s going to eat my coral. Sorry for the fish in the picture, he would not stop begging for food in front of the camera lol.
  9. G

    translucent snails/worms?

    what kind of hitchhiker is this? it can unite and separate itself, he also eats brown algae
  10. johnf3

    ?Worm? ID

    Hi all needing some help IDing this worm/cucumber/tunicate looking thing that came out of ocean aquacultured live rock. The larger side slowly moves and changes length (more inflated/less inflated). I haven’t seen any sort of mouth or feathers etc. Any ideas? Thanks JF
  11. F

    Spanish shawl nudibranch?

    Found this little guy roaming on my zoa rock just now. Thought it was a bristle worm at first but after it moved into the light, it appeared to be a nudibranch of sorts. Can anyone confirm?
  12. CurtPGA

    Hitchhiker on live rock, ID if possible

    Purchased some live rock from a tank breakdown. Was going to boil it but had a spare tank and thought why not, let's see what happens. Day 1 this guy sprouts. Any idea what it may be? 34 years off and on saltwater aquariums. Planning on using in a coral only tank.
  13. chunkeylover59

    A few hitchhikers I would like some Id confirmation and advice on

    Hello everyone! I'm relatively new having a fish tank, let a along a reef tank! I started my tank around a year ago, but have only recently started to populate it with more corals and fish. I've read through some of the different guides on hitchhikers and those were all super useful! Thanks to...
  14. L

    Any Idea what these arms are under my rock?

  15. Porcupine Reefer

    Strange critter in my sand

    Had these guys for a while, they also go on my glass from time to time. What are they?
  16. iwnltom

    Weird Cartilage looking tubes in tank

    Hi, my tank is around 2 years old, and these weird things have been growing slowly for a while and I never thought anything of it. Today I decided to remove them and they almost felt and looked like tendon when split. Would love to know what they are, thanks !
  17. Devin_R.

    Tiny Clam ID

    Hello, I just received a cleanup crew shipment and in one of the bags with a whole mess of dwarf ceriths there was what looks to be an extremely small clam. It's no bigger than a centimeter and I'm wondering if anyone knows if it will get larger or remain small. I placed it in my sand bed...
  18. clarity

    Tiny pink crab

    Finding hitchhikers (benign ones especially) is actually one of my favorite things about reef-keeping! And today I noticed a new friend in my 1.5 gallon that I most definitely did not add. It’s a beautiful little crab, but not particularly active— I’ve never actually seen it move, just sort of...
    • clarity
    • Thread
    • crab id fuzzy crab hitchhiker hitchhiker crab hitchhiker id pink crab spotted crab tiny crab
    • Replies: 6
    • Forum: Hitchhiker & Critter ID
  19. MattPLaw

    Feather duster or pest?

    Hello all! During a sand bed cleaning I just bumped my trachyphyllia that I've had for about 2 months. It looks like there is a feather duster worm hitchhiking on the bottom. Is this a feather duster worm and it's harmless? Or is it something else? Should I remove it? If so, how? Thanks in advance!
  20. T

    Couple of weird things...

    I was culling out some vermetids snails today when I noticed that there were some weird "bubbles" hanging off my zoas and some of the stems of the colony had turned yellow. I poked at the bubbles a little but nothing happened. Obviously I had irritated the colony so they were mostly closed .the...
  21. Z

    Good or bad snail?

    Excuse the poor photo/video. Macrophotography is not m forté. I found this little guy attached to one of my frags. Should I add him to the tank or keep him away?
  22. C

    Help pleas !!! Snail hitchhiker

    About a month ago I found two of these on a snail they would go from being right up on his shell to being stretched out about 6 or 7 in really thin they almost look like they had little tentacles or feathers at the end of them that are hard to see in the pictures but I hope you can get an idea...
  23. J

    Pod or something else?

    I know amphipods get large, but anything i've seen is like a flat looking shrimp. Anyone id this guy? Sorry about the videos, trying to focus on the sucker is hard.
  24. Saltysparky

    Hitchhiker on Fighting Conch

    Received a Fighting Conch from an online delivery today. I noticed what looks like a snail of some sort stuck to it. Any ideas? Can or should this be removed? Seems healthy and has been out and eating since it hit the sand. Thank you for any advice.
  25. Common Blevil

    Unwanted bumblebee snail in new tank!!!

    I accidentally bought a piece of live rock that had a bumblebee snail in it. My tank is only starting. Will it eat all the worms i have(i just have maybe a ten max, and i want them to multiply) and future snail additions, like dwarf snails or limpets, if i will feed it? I know it accepts frozen...
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