Hitchhiker & Critter ID

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Need help figuring out what something is? Post a thread with a photo! ID your hitchhikers and critters here!
Reef by Steele, Pods Starting @ $12
SHNICI
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Aiptasia as a Pest - and HOW to get rid of it
5 6 7 8 9
Replies
177
Views
28,367
ackshee
ackshee
Crabs McJones
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What is that!! A R2R guide to common new tank hitchhikers.
34 35 36 37 38
Replies
754
Views
121,401
bambooshark
bambooshark
Silent
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    • Mind-blown
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Coral Dip Guide
2 3 4
Replies
79
Views
36,008
pakolmoreef
P
A Young Reefer
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  • AMS: Article
Guide to Common Hitchhikers in reef tanks.
2 3
Replies
45
Views
9,500
seawee
seawee
NewbieC123
Base of my Zoa - Vermitide?
Replies
0
Views
8
NewbieC123
NewbieC123
Gribbles
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Help me ID this white, slimy string-like thing
Replies
4
Views
57
Gribbles
Gribbles
C
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Is this a sea slug?
Replies
4
Views
87
formallydehyde
F
justdeb1107
What is this little creeper?
Replies
14
Views
269
justdeb1107
justdeb1107
J A' mhuir
Little crustacean identification help!!
Replies
6
Views
60
J A' mhuir
J A' mhuir
W
ID from Gulf of Mexico live rock
2
Replies
21
Views
568
jabberwock
jabberwock
M
What might this be....
Replies
3
Views
43
DDenny
DDenny
T
Is this all just sponge.
Replies
2
Views
49
TWYOUNG
T
Dirtyvibe76
Crab identification please
Replies
14
Views
221
Dirtyvibe76
Dirtyvibe76
liddojunior
ID hard encrustment Frogspawn
Replies
1
Views
34
ISpeakForTheSeas
ISpeakForTheSeas
M
    • Like
Crab hitchhiker ID?
Replies
1
Views
55
KrisReef
KrisReef
Generator
What kind of urchin?
Replies
9
Views
119
Generator
Generator
C
new live rock - is this some kind of coral?
Replies
2
Views
50
chuckleberry49
C
I
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What are these? Eggs of some sort
Replies
3
Views
78
Osaurus
Osaurus
J
What kind of Flatworm?
Replies
11
Views
169
Outlaw Corals
Outlaw Corals
BubblesandSqueak
Aiptasia and flatworm?
Replies
1
Views
36
hers0109
H
Y
Bore sponge or just a sponge?
Replies
1
Views
28
MAH
M
R
Aiptasia among Zoas?
Replies
7
Views
148
Jmp998
J
Generator
Today's other find, anemone?
Replies
6
Views
110
Generator
Generator
steelneale
Anyone know what this is?
Replies
2
Views
62
IKD
I
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