Identification Forum

18,318 topics in this forum

1. THE ULTIMATE ID THREAD! Before you post WHATS THIS? LOOK HERE! 1 2 3 4 26

   By Helfrichs Chick, October 6, 2007
   • 634 replies
   • 404,433 views
   • 
   • mcarroll
   • Wednesday at 05:03 PM
2. Thy Holy Tome of ID Sites

   By carbon-mantis, April 22, 2011
   • 6 replies
   • 24,297 views
   • 
   • Harrisonbored
   • July 3, 2018
3. Guidelines

   By Christopher Marks, January 28, 2003
   • 0 replies
   • 15,922 views
   • 
   • Christopher Marks
   • January 28, 2003
4. Birdsnest? And What Else? Sps

   By mfield16, 12 hours ago
   • 5 replies
   • 53 views
   • 
   • mfield16
   • 7 hours ago
5. Second Opinion

   By a_pmech84, Tuesday at 01:50 AM
   • 5 replies
   • 70 views
   • 
   • a_pmech84
   • Thursday at 11:29 PM
6. What kind of crab is Bad Crab?

   By kimberbee, February 15
   • 7 replies
   • 86 views
   • 
   • kimberbee
   • Thursday at 11:01 PM
7. Chrysophytes - and now brown algae - JUST PLAIN FUGLY 1 2 3 4

   By SeaFurn, November 22, 2019
   • 83 replies
   • 1,300 views
   • 
   • mcarroll
   • Thursday at 03:38 AM
8. Polyp ID please

   By cosmicbread, February 16
   • 16 replies
   • 122 views
   • 
   • Ratvan
   • Wednesday at 03:37 PM
9. Zoa ID

   By EthanPhillyCheesesteak, Tuesday at 09:20 PM
   • 7 replies
   • 70 views
   • 
   • EthanPhillyCheesesteak
   • Wednesday at 02:52 PM
10. What is it?

    By Dstrickland, Tuesday at 09:56 PM
    • 4 replies
    • 53 views
    • 
    • Ratvan
    • Wednesday at 09:24 AM
11. Algae

    By kbekker, February 16
    • 0 replies
    • 39 views
    • 
    • kbekker
    • February 16
12. What do you think it is?

    By Noob_reefer, February 15
    • 3 replies
    • 66 views
    • 
    • Noob_reefer
    • February 15
13. Dandelion fluff on hermit's shell?

    By MoJal, February 12
    • 3 replies
    • 60 views
    • 
    • Tamberav
    • February 15
14. NO ONE CAN IDENTIFY! I THOUGHT IT WAS BRYOPSIS

    By Blue Topia, February 15
    • 4 replies
    • 51 views
    • 
    • Tired
    • February 15
15. Zoanthid, POOPING or DYING???

    By Penguin Reef, February 13
    • 3 replies
    • 66 views
    • 
    • Penguin Reef
    • February 14
16. Anemone, but what?

    By Ratvan, February 4
    • 11 replies
    • 171 views
    • 
    • Ratvan
    • February 14
17. Hermit Crab Identification

    By Brendan Reeves, February 13
    • 6 replies
    • 54 views
    • 
    • Lognor
    • February 13
18. Help ID this coral

    By Noob_reefer, February 11
    • 1 reply
    • 44 views
    • 
    • EthanPhillyCheesesteak
    • February 11
19. Can anyone ID this pls?

    By simon2629, January 17
    • 3 replies
    • 126 views
    • 
    • moose2823
    • February 10
20. Torch or frogspawn?!

    By Mmotux, February 1
    • 3 replies
    • 178 views
    • 
    • moose2823
    • February 10
21. White growths while cycling new tank

    By khkurth51, February 7   

    • new tank
    • liverock
    • 3 replies
    • 69 views
    • 
    • dling
    • February 7
22. Algae id

    By baronen, October 7, 2019
    • 6 replies
    • 241 views
    • 
    • Amphrites
    • February 6
23. Hydroids? Tunicates? Something Else? ID help please

    By teenyreef, January 24
    • 14 replies
    • 273 views
    • 
    • teenyreef
    • February 4
24. Name of this Wrasse or hogfish

    By Reefjunkye, January 31
    • 1 reply
    • 53 views
    • 
    • jservedio
    • January 31
25. Algae

    By DM-63, January 29
    • 4 replies
    • 83 views
    • 
    • DM-63
    • January 30