THE ULTIMATE ID THREAD! Before you post WHATS THIS? LOOK HERE!

[lakshwadeep]

Very nice!

[BrianinWV]

It's Everywhere! This alga came in with my live rock, and I believe I have ID'd it before, but I can't remember what it was (senior moment). Unfortunately, none of the macro algae ID links are working, so I needed to post this. Anybody know: A) what it is, and what eats it? I have plucked and pulled, reduced the light cycle, applied PhosGuard, and plucked and pulled some more, and this stuff won't die. HELP!

[jamescstein]

Any thoughts as to what this might be?

 

Nudibranch of some sort?

 

[Acielot]

Is a polyclad flatworm. A snail eating one IME.

[PaulG]

It's Everywhere! This alga came in with my live rock, and I believe I have ID'd it before, but I can't remember what it was (senior moment). Unfortunately, none of the macro algae ID links are working, so I needed to post this. Anybody know: A) what it is, and image.jpgimage.jpg what eats it? I have plucked and pulled, reduced the light cycle, applied PhosGuard, and plucked and pulled some more, and this stuff won't die. HELP!IMG_1670.JPG

 

Looks like C. Taxifolia. Someone will buy it from you I'm sure.

[Maniu]

Another link to bookmark before "what is it" question:

 

 

http://www.lionfishlair.com/hitchhiker/hitchhiker.shtml

[scottsdale454ss]

Help!

 

Ok, guys, yesterday got my CUC from ReefCleaners.org, and I just came home from a cub scouts overnighter with my son to a cloud of these things floating in my tank. Are these eggs of some sort?:

 

Looks pretty awesome. Ever find out what they are?

[amphipod]

It was some sort of parasite if I rember right, I seen this in some other thread. Or something similar

 

Larval trematodes.

[eolith]

That's correct. I did eventually see a couple of the mature Medusa structures stuck to the rocks in a couple places.=. I believe that starting the pump filtered out the majority of them.

[amphipod]

That's still awesome how you got that in your tank

[tess&ellie]

What the heck are these? They sprouted up about a year ago and I've off-and-on been trying to figure out what they are. They are very bright green - like neon - with a vibrant white "flakey" shell that sometimes breaks off when I scrape the glass with the magfloat (from the flow/vibration). They started out very tiny, and are now about 2 1/2 inches tall. I've touched them now and then when I need to get my hands in there and they are kinda slimy feeling and flexible, not hard at all. They havent't bothered anything so I kept them. Oh, and I know I have flatworms, I'm infested and slowly syphoning them out. Thanks for any suggestions!

 

http://www.nano-reef.com/index.php?app=core&module=attach&section=attach&attach_rel_module=post&attach_id=57168'>Thing_1.jpghttp://www.nano-reef.com/index.php?app=core&module=attach&section=attach&attach_rel_module=post&attach_id=57169'>Thing_2.jpg

 

 

 

 

Thanks,

Polly

 

 

 

Has anyone answered you as to what these cool hitchikers are if so please let me know I love the look of them

 

 

[jamescstein]

It was some sort of parasite if I rember right, I seen this in some other thread. Or something similar

 

Larval trematodes.

 

In short, flukes. I had these as well.

 

Turned into this

 

http://s1247.photobucket.com/user/nietssemaj/media/Aquaria/IMG_06421.jpg.html'>

[amphipod]

Pretty cool stuff on this earth.

[Aquavid]

Hello

 

i have a new lr and after a week there are these on all over the rock. please see the pictures here:

https://www.copy.com/s/lnWSlexS1dhJUqe2/reef/DSC_7591.jpg

https://www.copy.com/s/lnWSlexS1dhJUqe2/reef/DSC_7592.jpg

https://www.copy.com/s/lnWSlexS1dhJUqe2/reef/DSC_7593.jpg

https://www.copy.com/s/lnWSlexS1dhJUqe2/reef/DSC_7594.jpg

 

 

thx

[GokesReef]

Hello

 

i have a new lr and after a week there are these on all over the rock. please see the pictures here:

https://www.copy.com/s/lnWSlexS1dhJUqe2/reef/DSC_7591.jpg

https://www.copy.com/s/lnWSlexS1dhJUqe2/reef/DSC_7592.jpg

https://www.copy.com/s/lnWSlexS1dhJUqe2/reef/DSC_7593.jpg

https://www.copy.com/s/lnWSlexS1dhJUqe2/reef/DSC_7594.jpg

 

 

thx

Clove polyps.. soft coral that spreads quickly.

[Aquavid]

Clove polyps.. soft coral that spreads quickly.

thx!!

[Aquavid]

Hello

 

and now this:

https://copy.com/8QDAtCkKgZ7oOyMR

 

wonder if this small creature (about 0.5 cm) even has a name!

 

thx

[amphipod]

He's some sort of hydroid, a real pretty one at that

[Aquavid]

Should i kill him?

[amphipod]

Should i kill him?

is he invading?

[Aquavid]

is he invading?

There are 4. There were 0 a day before. Is it an invasion?

[amphipod]

Well if this is potentially an issue as some hydroids are considered difficult to eliminate, are they bothering corals, also are they growing in new places or just opening up?

[DurocShark]

OK, I can't find this one. Any ideas?

 

 

 

EDIT: I should say I recognize it's a nudibranch, but I've never seen one so... plain.

[amphipod]

Very unlikely you will ever know this ones species, too many species too little studied with them, common phenomenon in biology

[Supermoto]

Found 2 hitchhikers in my tank last night after the lights went out.

 

i think this is a brittle star?

 

And this guy... Bristle worm?