My fish books say it's a sign of agression, the equivalent of gorillas standing up & beating their chests. Basically they're saying "get out of my face, dude!"
Boo hoo, indeed! I hear you! My March trip to Panama was supposed to be on the STRI R/V Urraca but somehow it lost it's NOLS status (no one I talked to had the story) and the PI's budget couldn't handle the extra cost. The divers ended up riding pangas 1.5 hours each way to their sample site...
Most nemerteans are wanderers. They don't have permanent burrows & keep moving in search of food. If they find a good food source they'll stay there for a while until it's time to find the next meal. I don't know of any study that mentions rate of movement, sorry.
Well, Ringo & Arch are both right. Ringo got the correct latin name but it's not a scorpion fish. It's in its own monotypic family Rhamphocottidae which was split off from the Cottidae (sculpins) and the common name is grunt sculpin.
Go to this page http://www.pgmuseum.org/Gallery14.htm for a tangled mass of Antarctic nemerteans or this one for a white nemertean http://216.109.89.105/seashore/seashore_l/SC0123_1l.jpg
There are reliable reports of nemerteans up to 90 feet long and some books say they get up to 200 feet...
Don't be greedy, Ringojcp - others want to play as well! ;)
As for this flat packing-tape worm, it sounds far more like a nemertean than anything else.
The shrimp is Periclimenes soror which is normally found only on sea stars. The star looks like it might belong to the genus Gomphia. A whole body shot would be a tad more useful in identifying it!
Looks like an unusually light colored Chelidonura amoena. They're usually grey on white but some of the images I've seen have been distinctly peach. There's a shot of some lighter ones at http://www.seaslugforum.net/display.cfm?id=9715
Thanks, Bill. In a timely coincidence, Mike Neubig posted some close ups of the head over at
http://wetpixel.com/forums/index.php?showtopic=12308
In his pics the worm (seen from above) is either eating the organic bits off the web or maintaining the web.
The public logs & pictures of the Easter Island expedition are at http://www.mbari.org/expeditions/EasterMicroplate/index.htm The samples were taken by people aboard the submersible Alvin and the new crab was probably taken on 24 March 2005, as the log mention "white, hairy galatheids".
We...
That would be great. In the meantime, can I download this one? Or would you like to print your name on it first? I always include the photographer's name in the file name.
These are maldanid polychaetes Praxillura maculata. I've heard it called windmill worm but I think web worm would be better. It stretches strands of mucus over the rays then eats the tasty bits that collect on the mucus. The tube on the upper left has the worm extended out on on the rays and...
Unlike most worms, the bearded fireworm Hermodice carunculata cruises around during the day because very few critters will bother them. 12" is not unusual for them.
Nick - I heard about about the "love child". It's a reptantia nemertean, Drepanogigas (=Drepanophorus) albolineatus. The only records for it so far are from the Mediterranean. Very cool! Jon Norenberg, curator of Nemertea at the Smithsonian, is eager to hear from you about this specimen. I...
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