Oh very cool, a siphonophore. It looks very similar to one in Humann & DeLoach's book Forskalia edwardsi. They say "....the only member of the family found within safe scuba diving depths."
Hi Chad -- It's a very common association. The crab in your photo looks like Dardanus pedunculatus which means the anemone is likely to be a Calliactis or Verrillactis paguri. The crab is protected from predators like octopus who stay away from the anemones while the anemones get moved around...
Good morning! Some of us are on different time schedules, don't you know? ;) The first one is a nemertean, Baseodiscus hemprichii. The flattie, well, that's a hard one. I wouldn't even put genus on it. Sorry......
You did as good as I could have with the flatties. I just threw the Berthella idea in because sometimes they have a more translucent look than the Berthelinas but that's probably not a good id character.....
We sent the picture to Dirk Fehse, a german specialist on the family Ovulidae. In 2003 Dirk published a revision of the genus Cyphoma so if anyone should know what this animal is it's Dirk. His reply was that he had never seen it before, it was probably a new species, and he would very much...
I was thinking more of the beaded sea cucumber Euapta lappa or something like it: http://www.critterzone.com/gallery/underwater-sea-cucumber-beaded-gallery.htm
Some eunicids are very dark, have 5 head appendages, and some travel freely at night. That would be my first guess for a poly.
Sorry, still way too vague although understandable under the circumstances! Two head appendages is the wrong number for all of the big free-living worms* I can think of so maybe you couldn't see all of them? Could it possibly have been a cucumber of some sort with 2 of the feeding tentacles...
It doesn't sound like a fireworm or any other member of the family Amphinomidae. The head appendages in this family are very small and can't be seen without a magnifier. But what is it? I don't know - your description is too vague, sorry. Take a look at these urls - do any of the worms looks...
Good, more sluggish ids! :14: Certainly looks like Plocamopherus. do you remember or do any of your images show that the dorsal papillae are topped with spherical structures and the tail is formed into a lateral wedge rather than the usual flattened shape? That would confirm the id.
The...
They don't turn themselves inside out but you're right, they can throw out portions of the internal organs through the anus when stressed. The innards are toxic to some degree (depends on the species) and often sticky so would-be predators can end up entangled in guts as well as poisoned.
When you post a message you can attach a file from either your own computer or from an URL which is convenient for people who use web photo galleries like Flickr. By right clicking on an image then clicking properties you'll see the location of the image. It's fine & dandy to attach someone...
Glad to hear it!:beerchug: I wasn't clear enough, sorry. I meant it's better to include the link so people can check it out themselves rather than link the photo directly to the post as you've done. Most photographers have very strong feelings about this, especially the ones who have posted...
There are some whole body images of Scuticaria tigrinus (the current valid name; Uroptergyius tigrinus is a synonym) on Fishbase. Go to the link below then click on images. Dave - I can't open your thumbnails. Do the Fishbase body images match what you saw...
Hi Thien --
It would be better if you linked to photos on other websites, especially professional photography sites, instead of downloading & posting the picture without credits. Photographers tend to get upset when their work is used without consent. For this one the link is...
I think it might be C. annae based on it's similarity to this animal and Bill's comments about the spotting: http://www.seaslugforum.net/display.cfm?id=7656
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