Identification Forum

18,290 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
   • 401,409 views
   • 
   • efezorba
   • October 30, 2019
2. Thy Holy Tome of ID Sites

   By carbon-mantis, April 22, 2011
   • 6 replies
   • 24,081 views
   • 
   • Harrisonbored
   • July 3, 2018
3. Guidelines

   By Christopher Marks, January 28, 2003
   • 0 replies
   • 15,892 views
   • 
   • Christopher Marks
   • January 28, 2003
4. Unidentified Species

   By Toufiqul Islam, 9 hours ago   

   • algae
   • corals
   • (and 4 more)

     Tagged with:

     • algae
     • corals
     • sponge
     • sponges & macro
     • reef
     • marine reef
   • 0 replies
   • 21 views
   • 
   • Toufiqul Islam
   • 9 hours ago
5. what type of acan

   By snookhooker74, 22 hours ago
   • 2 replies
   • 30 views
   • 
   • snookhooker74
   • 21 hours ago
6. Chrysophytes - the battle rages on 1 2 3

   By SeaFurn, November 22, 2019
   • 50 replies
   • 568 views
   • 
   • reeferfoxx
   • Friday at 10:14 PM
7. Can anyone ID this pls?

   By simon2629, Friday at 02:54 PM
   • 2 replies
   • 38 views
   • 
   • simon2629
   • Friday at 03:22 PM
8. Algae id

   By baronen, October 7, 2019
   • 5 replies
   • 170 views
   • 
   • baronen
   • Wednesday at 07:35 PM
9. What kind of algae and how do I get rid of it?

   By CDFjr, Tuesday at 09:09 PM
   • 7 replies
   • 76 views
   • 
   • CDFjr
   • Wednesday at 04:31 PM
10. What’s Growing On My Dry Rock?

    By Amaleec, December 25, 2019
    • 12 replies
    • 180 views
    • 
    • Tired
    • Wednesday at 12:08 AM
11. What is this red algae?

    By Bailyfox, Tuesday at 10:27 PM
    • 0 replies
    • 19 views
    • 
    • Bailyfox
    • Tuesday at 10:27 PM
12. Can't identify

    By mark.payton, Tuesday at 04:29 PM
    • 7 replies
    • 42 views
    • 
    • NoOneLikesADryTang
    • Tuesday at 06:15 PM
13. Coral ID

    By Jacob2692, January 13
    • 2 replies
    • 38 views
    • 
    • Jacob2692
    • January 13
14. Green worm clam thing

    By cosmicbread, January 12
    • 7 replies
    • 90 views
    • 
    • cosmicbread
    • January 13
15. Aiptasia ID?

    By IHaveADegreeInMarineBioBut, January 10
    • 1 reply
    • 39 views
    • 
    • Tired
    • January 11
16. Coral ID please

    By Amrik443, April 19, 2019
    • 10 replies
    • 237 views
    • 
    • Tired
    • January 11
17. What is it?

    By simon2629, January 8
    • 2 replies
    • 45 views
    • 
    • simon2629
    • January 9
18. Black stuff on Zoa

    By LilReefLady, January 8
    • 0 replies
    • 21 views
    • 
    • LilReefLady
    • January 8
19. Good or pest snails?

    By John_20g_nanoreef, January 2
    • 4 replies
    • 77 views
    • 
    • johnmaloney
    • January 8
20. Need an ID on these two sea slugs 1 2

    By EthanPhillyCheesesteak, July 15, 2019
    • 30 replies
    • 532 views
    • 
    • johnmaloney
    • January 8
21. Aiptasia confirmation

    By Ars Reefia, January 8
    • 4 replies
    • 63 views
    • 
    • Ratvan
    • January 8
22. Hermit ID

    By Northwoodsreefer, January 7
    • 9 replies
    • 65 views
    • 
    • johnmaloney
    • January 8
23. Zoa ID

    By tjongster, January 7
    • 0 replies
    • 33 views
    • 
    • tjongster
    • January 7
24. Tiny White Stringy Algae or Dinos? Or snail trails??

    By Prezpreston, January 3
    • 8 replies
    • 90 views
    • 
    • Clown79
    • January 6
25. Dip pest ID

    By peytron, December 29, 2019
    • 1 reply
    • 55 views
    • 
    • Tired
    • January 5