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  1. LeslieH

    Sea urchin..?

    You're right, a sea urchin. Looks like a good match for Echinometra mathaei images in guide books. They can wedge themselves into really tight places and also bore holes into reef rock m in which they live.
  2. LeslieH

    Please ID this Crab

    Odd to see that one away from a coral. That's in the genus Trapezia. They're obligate commensals on acropora and other corals.
  3. LeslieH

    Possibly a Sea Urchin? (Gulf of Thailand)

    It's the exoskeleton of a heart or biscuit urchin. The reason why there's no spines is because the animal is dead & all the spines have fallen off.
  4. LeslieH

    White "critter" attached to barrel sponge, Phuket, Thailand

    You can see why the common name for these is beaded sea cucumbers.
  5. LeslieH

    Another critter

    It's a Lithopoma, a starsnail as Deborah said. There are a couple of different species which are very hard to tell apart without having the animal in hand.
  6. LeslieH

    White "critter" attached to barrel sponge, Phuket, Thailand

    Hi Lowell -- It's also a sea cucumber. Either the feeding tentacles are retracted into the body or they're otherwise out of sight. If you do an image search for Euapta, Opheodosoma, or Synaptula you'll find pictures of similar animals.
  7. LeslieH

    Identification needed, round and fluffy

    Yeah, I'd guess it's an egg mass with filamentous red algae growing on it.
  8. LeslieH

    What's this invertebrate? Hawaii

    Striped gooseneck barnacle, Conchoderma virgatum. It's found world wide in the tropics, attached to things like buoys, ships, offshore structures as well as the big oceanic species like whales, sunfish, and turtles.
  9. LeslieH

    What is this?

    mtis -- I think your french forum friend was right. Here's a page on Actinia fragacea with images that look very similar to yours. http://www.asturnatura.com/especie/actinia-fragacea.html what a pity, worms have so much more class than anemones! :)
  10. LeslieH

    What is this?

    It certainly looks like a flatworm that has eaten something - that's why the midsection is bulging. Many of them are mollusc-eaters and have one of two types of feeding modes. The first is to slip into the shell of the mollusc and slurp up the inhabitant. Oyster & clam specialists use that...
  11. LeslieH

    Flatworm or nudi?

    Err, Pseudoceros sapphrinus occurs in the western Indo-Pacific. A sighting off southern California is kinda a stretch. :) Besides, that has a bright blue band around the margin.
  12. LeslieH

    Tunicate? (Gulf of Thailand)

    True, I just assumed it was the one smack dab in the middle! :D
  13. LeslieH

    Tunicate? (Gulf of Thailand)

    I agree, possibly a Polycarpa. there are literally hundreds of undescribed species.
  14. LeslieH

    Sea cucumber? (Gulf of Thailand, Wreck of the Hardeep)

    Hi Lowell -- I think it is too but can't find a match either. sorry.....
  15. LeslieH

    Small Invertebrate ID

    You're welcome. Aren't you a member of the Northwest Divers board? What's going on over there - most of the time the site seems to be down.
  16. LeslieH

    Pronunciation help-Nudi

    It depends what country you're from. At conferences it's been very obvious that americans pronounce scientific names differently from other english-speakers. The species name is constructed from "longi" and "cirrum" so I (american that I am) would use lon-ji-YR-um.
  17. LeslieH

    Small Invertebrate ID

    The first 3 are of the cast off molt of a barnacle. Like all crustaceans they periodically shed their old carapaces in order to grow larger. the second is a small jelly, possibly in the genus Euphysa or Sarsia. See the Jellies Zone - Sarsia and Euphysa
  18. LeslieH

    Nedi or Flat Worm or....?

    Here's some info on it The Sea Slug Forum - Hexabranchus morsomus
  19. LeslieH

    Hey Leslie!

    Hey Steve -- Donny's right, a sand anemone. I don't have much information on cnidarians so I can't be of more help, sorry!
  20. LeslieH

    Does anyone recognize this sea star?

    Hi Sue -- Thanks for your interest. To prepare a fresh-caught sea star it needs to be first narcotized so it doesn't curl into a ball then put into 80% alcohol. If it's large it will need alcohol injected into the body to make sure the internal organs are preserved as well as the outside...
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