Identification Forum

18,653 topics in this forum

1. THE ULTIMATE ID THREAD! Before you post WHATS THIS? LOOK HERE! 1 2 3 4 27

   By Helfrichs Chick, October 6, 2007
   • 664 replies
   • 432,124 views
   • 
   • Tired
   • November 25, 2020
2. Thy Holy Tome of ID Sites

   By carbon-mantis, April 22, 2011
   • 6 replies
   • 26,841 views
   • 
   • Harrisonbored
   • July 3, 2018
3. What is this growing on my liverock?

   By blues_drummer, 7 hours ago
   • 2 replies
   • 28 views
   • 
   • Tired
   • 4 hours ago
4. Bristleworm vs Fireworm

   By MrMatt, Wednesday at 09:02 PM
   • 3 replies
   • 64 views
   • 
   • king aiptasia
   • 10 hours ago
5. What is this??

   By Hazy, Monday at 09:04 PM
   • 3 replies
   • 54 views
   • 
   • mcarroll
   • Wednesday at 07:06 PM
6. hitchhiker zoa?

   By M. Tournesol, Wednesday at 12:53 PM
   • 3 replies
   • 46 views
   • 
   • M. Tournesol
   • Wednesday at 05:46 PM
7. Please help!! Found jet black slug with white spot on his back, good or bad?!

   By Smokin'Reefer, Tuesday at 06:04 PM
   • 2 replies
   • 51 views
   • 
   • NoOneLikesADryTang
   • Tuesday at 07:59 PM
8. Help identify please.

   By WSP, Sunday at 08:39 PM   

   • pest
   • identify
   • 2 replies
   • 56 views
   • 
   • king aiptasia
   • Tuesday at 06:37 PM
9. Mystery eggs

   By M. Tournesol, Tuesday at 10:14 AM
   • 0 replies
   • 39 views
   • 
   • M. Tournesol
   • Tuesday at 10:14 AM
10. ID please

    By michaelbog, Saturday at 11:09 PM
    • 6 replies
    • 48 views
    • 
    • michaelbog
    • Sunday at 01:03 AM
11. what is this coral?

    By jarviz, February 18
    • 5 replies
    • 101 views
    • 
    • Reef Reece
    • Saturday at 11:09 PM
12. Another Worm ID Request

    By msf004, February 8
    • 3 replies
    • 91 views
    • 
    • Manylps
    • Saturday at 10:56 AM
13. I forgot what my lfs called this when I got home to look it up

    By Jerad81, February 11
    • 4 replies
    • 111 views
    • 
    • Manylps
    • Saturday at 10:53 AM
14. Mystery Hitchhikers

    By smokinreefer918, February 19   

    • hitchhikers
    • snail. hitchhiker
    • 4 replies
    • 58 views
    • 
    • Manylps
    • Saturday at 10:37 AM
15. Fuzzy glowy thing on zoas

    By tzink, February 18
    • 5 replies
    • 80 views
    • 
    • tzink
    • February 19
16. What type of snail is this?

    By Blenard the Blenny, February 17
    • 3 replies
    • 47 views
    • 
    • Tired
    • February 17
17. Xanthidae?

    By MrMatt, February 10
    • 5 replies
    • 95 views
    • 
    • MrMatt
    • February 13
18. Could you help me identify this star shaped glass attaching guest in my tank?

    By Gore15, February 10
    • 7 replies
    • 91 views
    • 
    • rough eye
    • February 10
19. New Tank Cycling: Bacteria or Algae?

    By SavageLilReef, February 5   

    • cycling
    • bacteria
    • (and 1 more)

      Tagged with:

      • cycling
      • bacteria
      • algae
    • 2 replies
    • 77 views
    • 
    • banasophia
    • February 7
20. Mushroom Mystery

    By Reeflex, February 7   

    • mushroom
    • palythoa
    • 1 reply
    • 62 views
    • 
    • SaltyGallon
    • February 7
21. Is it a mushroom?

    By Carnthetiges, February 6
    • 2 replies
    • 67 views
    • 
    • debbeach13
    • February 6
22. What is this next to my starfish?

    By Troutman280, February 3
    • 1 reply
    • 72 views
    • 
    • geekreef_05
    • February 4
23. Need advice

    By Troutman280, February 3
    • 2 replies
    • 56 views
    • 
    • geekreef_05
    • February 4
24. Weird thing growing on Zoa

    By Mystichrome, February 4
    • 5 replies
    • 63 views
    • 
    • WV Reefer
    • February 4
25. Algae Bubbles

    By oozi, February 2
    • 4 replies
    • 53 views
    • 
    • rough eye
    • February 3