Sea snail?

[Vpkjules]

Hey! It's me again

Today i have found some new life in our tank. We assume its some kind of sea snail, can anyone confirm this please?

Ohhh is it friend or foe?

Thanks!


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[mcgyvr]

nudibranch.. of some sorts..
actually probably a flatworm due to a lack of any bodily protrusions..

There might be a nudibranch/flatworm identification site on the internet too..
But
bookmark this site for your learning/discoveries..
Most of the normal ones are covered here..
http://www.lionfishlair.com/hitchhiker.shtml

[Vpkjules]

Ohh thanks! And saved


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[C.Eymann]

Originally Posted by mcgyvr

nudibranch.. of some sorts..
actually probably a flatworm due to a lack of any bodily protrusions..

There might be a nudibranch/flatworm identification site on the internet too..
But
bookmark this site for your learning/discoveries..
Most of the normal ones are covered here..
http://www.lionfishlair.com/hitchhiker.shtml

+1
Probably Platyhelminth, not sure though

[mcgyvr]

Out of curiosity..
Where did you get all the rock from?

[Vpkjules]

Bought from a LFS on the border of France - Belgium


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[Vpkjules]

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[Vpkjules]

Originally Posted by C.Eymann

+1
Probably Platyhelminth, not sure though

Well on the picture its hard to see, but the head looks like the same of a platyhelminth. Is that a friend of foe? Sorry quite new to this


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[Vpkjules]

Im sure, that is the specie!


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[C.Eymann]

At first I thought it might be a planarian, but then I noticed the skirts.

[Vpkjules]

Originally Posted by C.Eymann

At first I thought it might be a planarian, but then I noticed the skirts.

Yes he has some skirts that he moves around like "waves". Your opinion, remove and let it stay?



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[Bent]

That's a polyclad flat worm if you ask me.

A gorgeous one at that.

[Vpkjules]

Originally Posted by Bent

That's a polyclad flat worm if you ask me.

A gorgeous one at that.

Well he is a cutiepie! That's for sure I only wonder if he can stay without causing troubles in the future towards my corals.


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[C.Eymann]

Originally Posted by Bent

That's a polyclad flat worm if you ask me.

A gorgeous one at that.

I agree as Polycladida is a order of the phylum Platyhelminth

[Grimreaperz]

Originally Posted by Bent

That's a polyclad flat worm if you ask me.

A gorgeous one at that.

That's the flat worm I had all depends on how it moves. Mine tended to glide on the rock forming to every crevasse. Put a snail in there if it's a polyclad it will be dead within a couple of days. Mine ate 3 trochus in a 2 weeks period.

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[C.Eymann]

Im not great with my worms, which is why I just guessed the phylum it might be in.

I googled "purple Platyhelminth" and saw one with the name Pseudoceros ferrugineus that looked really close to OPs worm physically, but color wise it has a golden rim, which the OPs lacked.
maybe someone better with worms can nail down the exact species. Id be willing to gamble a guess its in the genus Pseudoceros though.

Edit: https://en.wikipedia.org/wiki/Pseudoceros_ferrugineus

If I am right on the genus, looks like their primary diet consists of tunicates, possibly sponges as well. Which by its color, makes sense as with most these types of critters have evolved to resemble what they eat to avoid predation.

[Bent]

Originally Posted by Grimreaperz

That's the flat worm I had all depends on how it moves. Mine tended to glide on the rock forming to every crevasse. Put a snail in there if it's a polyclad it will be dead within a couple of days. Mine ate 3 trochus in a 2 weeks period.

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Yeah polyclads come in all kinds of patterns and colors. Most of the time they mimic their prey. The one in your pic is likely a tridacnid clam predator, most of those in that pattern are. Like you said though, it all depends, but from that pic alone I would say polyclad.

[Bent]

Originally Posted by C.Eymann

I agree as Polycladida is a order of the phylum Platyhelminth

Yes indeed. I was agreeing.

[C.Eymann]

Originally Posted by Bent

Yes indeed. I was agreeing.

You narrowed it down better than I did, like I said worms are not my strong suit so I only felt comfortable guessing the phylum

[Bent]

Maybe this one? It doesn't say the species:

[Vpkjules]

Yeah, the white dots match with the juvenile we have in the tank. We still google if we can keep it or remove it

Our live rock came from indonesia so could be possible that he is a hitchhicker

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[Bent]

Originally Posted by Vpkjules

Yeah, the white dots match with the juvenile we have in the tank. We still google if we can keep it or remove it

Our live rock came from indonesia so could be possible that he is a hitchhicker

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That makes sense, the picture I got said it was a species from the indo-pacific.

Polyclads are all predatory, you will Unfortunatley have to remove it.

[Bent]

Found it:

http://www.nudipixel.net/species/pse...os_rubronanus/

Pseudoceros rubronanus

[Grimreaperz]

You could put it in a species tank and feed it snails and clams. It is beautiful!

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[C.Eymann]

Originally Posted by Bent

Found it:

http://www.nudipixel.net/species/pse...os_rubronanus/

Pseudoceros rubronanus

Looks like you nailed the species, , now what do they eat? like I mentioned before about the genus being mostly tunicate and possibly sponge eaters I doubt the said worm poses a big threat to OP's tank. Unless they have purple tunicates or sponges they adore, but no danger to coral.