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It's reef safe, and is a sacoglossan sea slug but not a nudibranch. Pics of the bottom are not all that useful in ID'ing slugs, or snails either for...
Not a sea slug, it's a Killer Polyclad Flatworm. You'll want to remove it, unless you just want to start a species tank for it and buy snails or...
Looks like Nerite eggs on a Turbo snail?
It's a Florida Fighting Conch, Strombus alatus. Most of the ones sold to aquarists are juveniles, this one is an adult. Cheers, Don
LOL I now see that "redtail" is the same one I suggested. Sorry.
I'm a snail guy, and my only passing familiarity is with Indo-Pacific juveniles, but they're all maddening. I'm sure you have all the same books I...
I don't know your fish, but I love your site.
I agree, it just sounds scary as heck, logic says the chances are slim that it would happen. I do know of one that cracked the glass in a friend's...
Jwin, I don't know if a big mantis could break it or not, but...my tank is 3/8, and I caught a big peacock mantis on the reef and introduced him to...
This is Notodoris minor, another of the species that you probably can't keep long-term, unfortunately. It feeds exclusively on a few species of...
Looks like Bob is on the right track. Most of the species in this family lack photos on fishbase.org, but here are a couple of similar ones. The...
Yeah, they're filter feeders and won't hurt anything. If you don't like the looks of them, you can scrape them off with a knife. Cheers, Don
Thanks guys. Kennedy, there are a couple hundred species of cowries, but only a handful will bury themselves in the sand. Most species try to hide...
I suspect your crabs have barnacles growing on them? live barnacles on a crab shell on Flickr - Photo Sharing!
Atlantic Deer Cowries grow to about 6 inches. A 3-incher is huge for a Pacific Deer Cowry. And the Panamic ones reach a little over 4 inches....
Well, that's kind of the problem with cowries, they are all "mostly" reef safe, even the bulldozer tiger cowries. But...they may occasionally go on...
Here's the lightened pic. It does look to be a scorpaeniforme, although I spent the last hour slowwwwly sifting through the different genera on...
Not so much. The fissurellids are some of the most primitive gastropods, while the opisthobranchs are some of the most evolved. Scutus snails have...
It's a Scutus species, or "Shield Limpet." Occasionally someone reports that they graze across coral polyps, but most people consider them reef...
Yeah, I agree. There are some pics of juveniles showing the purple color, but after I took idunn's pics and tweaked them I can see that none of the...
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