Identification Forum

18,220 topics in this forum

1. THE ULTIMATE ID THREAD! Before you post WHATS THIS? LOOK HERE! 1 2 3 4 25

   By Helfrichs Chick, October 6, 2007
   • 622 replies
   • 397,392 views
   • 
   • efezorba
   • October 30
2. Thy Holy Tome of ID Sites

   By carbon-mantis, April 22, 2011
   • 6 replies
   • 23,663 views
   • 
   • Harrisonbored
   • July 3, 2018
3. Guidelines

   By Christopher Marks, January 28, 2003
   • 0 replies
   • 15,871 views
   • 
   • Christopher Marks
   • January 28, 2003
4. Zoa/paly IDs wanted- one paly, two zoas, one has a double mouth!

   By Tired, Monday at 03:44 AM
   • 4 replies
   • 71 views
   • 
   • Tired
   • 13 hours ago
5. what is this? Good or Bad?

   By CDFjr, 18 hours ago
   • 3 replies
   • 31 views
   • 
   • EthanPhillyCheesesteak
   • 17 hours ago
6. ID for this crab please

   By Reefjunkye, November 7
   • 3 replies
   • 1,336 views
   • 
   • H3RM1T_CR@B_:3
   • Yesterday at 04:04 AM
7. What kind of torch is this???

   By ThatReefGuy718, November 2
   • 4 replies
   • 129 views
   • 
   • GetPsyched2124
   • Wednesday at 09:30 PM
8. SPS ID Please

   By BenP, Tuesday at 11:51 PM
   • 7 replies
   • 84 views
   • 
   • Timaaa
   • Wednesday at 02:39 PM
9. Need an ID on these two sea slugs

   By EthanPhillyCheesesteak, July 15
   • 10 replies
   • 176 views
   • 
   • EthanPhillyCheesesteak
   • Wednesday at 01:58 PM
10. What type of hitchhiker is this?

    By Justanotherfishguy, November 3
    • 4 replies
    • 78 views
    • 
    • jservedio
    • Wednesday at 02:59 AM
11. Can someone identify this and any idea why it's losing color?

    By RemoGaggi, Tuesday at 03:10 AM
    • 0 replies
    • 29 views
    • 
    • RemoGaggi
    • Tuesday at 03:10 AM
12. Stringy looking thing

    By deetu, October 29
    • 7 replies
    • 112 views
    • 
    • Tired
    • Monday at 10:28 PM
13. Bryopsis?

    By roblox84, November 2
    • 4 replies
    • 93 views
    • 
    • Tired
    • Monday at 01:12 AM
14. Rainbow Montipora

    By Blue Topia, Sunday at 02:32 PM
    • 2 replies
    • 67 views
    • 
    • Tired
    • Monday at 01:09 AM
15. Clear polyclad?

    By Tired, October 17
    • 1 reply
    • 60 views
    • 
    • Tired
    • November 8
16. Little fishy 1 2

    By deetu, November 6   

    • general
    • 26 replies
    • 234 views
    • 
    • Tired
    • November 7
17. Help with zoa pest

    By Ehbomb, November 5
    • 6 replies
    • 84 views
    • 
    • Ratvan
    • November 7
18. White spirals

    By NaturallyKait, November 6
    • 4 replies
    • 41 views
    • 
    • NaturallyKait
    • November 6
19. Diatoms or Dino’s in 3yr old 20G

    By I'm Batman, November 3   

    • diatoms
    • algae
    • (and 5 more)

      Tagged with:

      • diatoms
      • algae
      • dinoflagellate
      • dino
      • dino outbreak
      • filtration
      • nutrients
    • 7 replies
    • 99 views
    • 
    • j.falk
    • November 6
20. Slime?

    By Reef2000, November 5
    • 1 reply
    • 58 views
    • 
    • Joevember
    • November 5
21. Mystery snail

    By Amphrites, November 4   

    • snail. hitchhiker
    • 1 reply
    • 54 views
    • 
    • Amphrites
    • November 4
22. Acan Bothering Worm

    By SmolReef, September 28
    • 6 replies
    • 100 views
    • 
    • Nano sapiens
    • November 3
23. coral identification

    By kuwaitreefer, October 31
    • 2 replies
    • 62 views
    • 
    • kuwaitreefer
    • November 1
24. Help ID this algae ?

    By Suggsreef, October 26
    • 18 replies
    • 152 views
    • 
    • WV Reefer
    • October 30
25. Mushroom not looking right

    By Suggsreef, October 28
    • 10 replies
    • 93 views
    • 
    • Suggsreef
    • October 29