Can someone please ID these snails and This Worm?

MarineGirl411

MarineGirl411

New member
I am not sure if this is a peanut work or what. I used a high sg dip when I first got my LR as suggested by a website. I raised the sg to 1.035 as suggested. These came out. Some of them are still in the rock. They are in the holes of the rock. I am thinking they are peanut worms, but I am not sure. Could you please Id?
MVC-108S.jpg


What kinds of snails are these?
MVC-110S.jpg
 
The worm is a Priapulida (aka cactus worm) and is harmless.

The snail on the left is a Vexillum (Costellaria) exasperatum, Its diet consists of polychaetes and gastropods, not sand bed or reef safe.

Not sure what the other snail is.

My Hitch Hiker Pages

Chuck
 
<a href=showthread.php?s=&postid=8901717#post8901717 target=_blank>Originally posted</a> by MarineGirl411
The snail on the left are not reef safe? Crap. I hope I didn't get more of those in my LR that I didn't see.
Click to expand...

Certain ceriths can look like them too.
 
I looked at the Cerith snail and it doesn't look like that. It looks exactly like the Vexillum (Costellaria) exasperatum. I hope there are no more of those little buggers in there. Or any other bad things. =/
 
I wish I would have taken more pictures and closer pictures to show you guys. The front of the shell where his foot would be was not smooth like the Cerith snails. It was very sharp looking. Hope that makes sense. It looks exactly like what Chuck had sent me. Go to his page and look up that snail. It is exactly what mine looked like. Where the foot would come out is identical to what mine had. http://home2.pacific.net.ph/~sweetyummy42/Hitchsnails.html

http://www.gastropods.com/3/Shell_1543.html

If you go there you can see what I mean. It was sharp looking and not smooth like the cerith.Thank you everyone for the links. They were very helpful. Not onto the worm, I don't think that's the type of worm it was. If you examine it closely, mine looks completely different than the cactus worm. Maybe I'm wrong, but I don't think they look alike. Also, the cactus worm is found it sand beds from what I've heard. This was deep inside my rock. It was in a lot of holes. Some are still in there, I just want to make sure they're safe. Also, I don't know if anyone else got my other post, but some black looking bugs came in on my rocks. They were crawling around on my gloves and in the box. They looked like tiny spiders or ear wigs. They didn't look like amphipods. (SP?) Just wondering what they could have been?
 
Ask LeslieH here on RC. She may be able to tell you more. Also Greenbean3691(I think) and romunov. All on RC.
 
There are such things as sea spiders but don't try to kill anything just yet until you are certain they are pests because you may regret losing the diversity if they are beneficial or rare.
 
The worm does look like a sipunculan, but I think Charles is right or at least very close on the ID of the snail. It definitely isn't a cerith.
 
Hi, It sounds like that kind of worm, but it doesn't look like that. Can they look different? Also, I've seen isopods and I'm telling you it didn't look like those unfortunately. I think they were bugs from Fiji. Like bugs that are on land. I've been to a lot of hitchhikers pages and I haven't seen anything that looked like them. They were pitch black. I don't know. maybe I'm wrong. If you have a picture of them being this black then I'd love to see them. Also the spiders looked like tiny black spiders. The ear wig looking things looked like earwigs. Just a different variety. Wish I would have gotten a picture for you all. The snail, glad I caught him. He was so small I don't think I would have found him without the dip.
 
Yes, there are a lot of different sipunculids, some with the horny plates at both ends, some only at one ends, and some without any plates. Isopods come in a lot of different shapes including some that look like spiders & like earwigs. Unfortunately the only two ways to know for sure are to either get pictures or send off the specimens to experts. Sorry!
 
I just thought I would mention that while some websites do recommend high salinity dips of new live rock, it is very detrimental to the life on the rock (both microscopic and visible). The animals that hitchhike in on the rock can be good guys as well as the bad.

I would suggest an alternative of quarantining the live rock and observing it for animals that survive the difficult trip from the ocean to our tanks. A salinity of 1.035 will kill a great deal of the life on live rock and it makes it less efficient for your tank as a filter.

If interested, you can try reading this article for more information:

Hobbyists Advancing the Hobby, Part I: Changing Shared Practices Starting with Live Rock Hitchhikers

Brian
 
Leslie,

Your package has not arrived yet and am anxiously awaiting it as it will be very exciting for me to be able to save specimens for shipment back to you. Thank you very much!!!

Chuck
 
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