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Leslie

Critter Expert
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Posts posted by Leslie


  1. ;) You can call it anything you like!

     

    Once Paul gave me the information on Solencurtus I was able to recognize the shell on your animal. It is really hard to see! It shows up in a couple of frames where the animal exposes the full side. The shell is at the base of the inflated siphons, above the active foot. there is a "frill" of tissue around the shell; it is oval and much smaller than the siphons.


  2. Hi Kurt -- I wonder if the crab might be Calvactaea tumida? Take a look at this pic

    http://www.depc.co.kr/bbs/zboard.php?desc=...;sn1=&ss=on

    It seems to be frequently photographed sitting in dendronephtyeid soft corals.

     

    The bits in the first photo don't look like any sea cucumber feeding appendages I've seen. Usually they're either finely divided in the species that filter feeder or cauliflower-like for the ones that mop up sediment. I'll post again if I find anything similiar.


  3. Regardless of whether you get to name it, you have a very pretty picture. If its the BEST picture of the critter, you can be credited as the photographer in the critter book. Do scientists have critter books?

     

    Do we have them on our shelves? Many do; I have a whole bookcase of them. Or did you mean write critter books? Some do. Some are snooty about "popular" books (silly scientists). ;):D


  4. Hi everyone --

     

    I've volunteered to create an invert calender for a non-profit research group. they already sell t-shirts, cups, etc through Cafe Press http://www.cafepress.com/scamit and want the calender to go through them too. Has anyone had experience with Cafe Press or other do-it-yourself calender printers? Any advice you can give me on producing a high quality item? I'm guessing it will be a hot item for invert researchers and I want it to be good. All profits will go into our publication grant & student support funds.

     

    thanks - Leslie


  5. I asked Paul Valentich-Scott, curator of molluscs at the Santa Barbara Museum of Natural History, about this. Despite his Indo-Pacific experience he had to turn to others for help.

     

    "Got it. Solecurtus strigilatus. There is a paper on it: Morton, B. 1990. Solecurtus strigilatus: A jet propelled burrowing bivalve. In: Morton, B. (ed.) The Bivalvia. Proceedings of Memorial Symposium in Honour of Sir Charles Maurice Yonge. Hong Kong University Press.

    Dr. John Taylor at the British Museum is the one who pegged it.

    VERY cool clam indeed!

    Paul"

     

    What an amazing animal. ;)

     

    (Added later)

    See http://books.google.com/books?id=rtP33aGX5...ZE1xw&hl=en

    for a bit of info and some pictures

     

    While surfing I didn't notice any Philippine records for S. strigilatus but there are several members of the genus in the Indo-Pacific so it might be one of them instead. Maybe one of Marli's contacts will provide a different name.


  6. there's a group of 5 orange-spotted Haminoea species from the Indo Pacific. This post on the Sea Slug Forum has links to all 5 http://www.seaslugforum.net/factsheet.cfm?base=hamisp1

     

    I'm not so sure about the shrimp. While it does resemble some species of Dasycaris (which is in family Palaemonidae, subfamily Pontoniinae, in japanese UW guide books it's listed as an undescribed species in family Hippolytidae.


  7. Wow, thanks Beo! :P:guiness::)

     

    You're right about #4 - it's a baby xmas tree (genus Spirobranchus) and it's so small the tube isn't even fully chitinized. Very nice.

    #3 - One of my family genera - Amblyosyllis in the family Syllidae. These guys live among sessile inverts like sponges, corals, tunicates, and probably feed on them too. They always have just a small number of segments & that very characteristic shape with long appendages.

    #2 - This is a poser I'm afraid. A barnacle trying it's best to look like a feather duster.

    #1 - A flatworm listed as Prosthecercaeus sp 2 in Newman & Cannon's book on flatworms. I don't know if it's been described yet.


  8. Hi Mitch -- Although undescribed this particular Saron is very well known. You'll find pictures of it on the web and well as in books like Ferrari's and Debelius's. The delay in describing could be that no one has an actual specimen, only photographs. Another reason may be that shrimp taxonomists are pretty overwhelmed with new species and haven't gotten around to this one yet.

     

    There are different types of names. The most important one is the scientific name which is unique to that species. For some groups like shells amateurs as well as scientists write the original descriptions and bestow the scientific names. Other groups - like crustaceans and worms - are more difficult so usually only scientists do it. Here's an example of a simple shrimp description: http://rmbr.nus.edu.sg/rbz/biblio/54/54rbz321-340.pdf It's the person who describes an animal, not the discoverer, who gets to give it a scientific name (unless collector & describer are the same person). Sometimes the animal is named after the collector or according to the collector's suggestion out of gratitude.

     

    Common names are usually derived from the scientific name, a physical feature, or a nickname. Periclimenes gracilis = graceful Periclimenes shrimp. Long-armed shrimp for a shrimp with very long 1st pair of arms. Pontoh's pygmy seahorse is a nickname based on the UW guide who first found it. The problem with common names is that one animal may have several even in the same area, or one common name is used for several different animals. Red Snapper is used in the US for about 30 different species. Anyone can create a common name - and I think it's a lovely idea to print the photo & dedicate it to your wife.


  9. Very cool! I love watching these guys. Patricia's right, family Eunicidae, and 99% likely to be genus Eunice but that's as far as I can go without having the worm in front of me. I don't recognize the species despite having worked with Caribbean animals before. That's not really surprising since there's about 200 species of Eunice worldwide. Kristen's seen far more live caribbean eunicids than I have so he might recognize it.

     

    Eunicids are switch-hitters when it comes to feeding, that is, they tend to be generalists rather than strict predators. Aquarists with coral reef tanks have reported them eating detritus, algae, snails, fish food, scavenging dead & dying organisms, other worms, small crustaceans, hard corals, soft corals, etc. the largest species like the "bobbit worm" are even fish predators. They're hard to catch without taking the tank apart. Normally they won't come out completely out of their burrows. By leaving part of their bodies inside they can rapidly retract as soon as they detect danger. They're dioecious so unless there are both males & females Monica doesn't have to worry about a population explosion.


  10. Siince Jugglematt posted a similar mysid http://wetpixel.com/forums/index.php?showtopic=23549 I thought it was time to get back to expatdiver's question. Sammy De G. had pointed me in the right direction a while ago. This appears to be the mysid Idiomysis tsurnamali on the sea anemone Megalactis hemprichi. It was described back in 1972 so it's fairly well known. Swarms of them can be found around this anemone and upside-down jellyfish in the genus Cassiopea. Eric's critter might be the same species or something quite similar.


  11. This must be a new one for you Marli. It's an odd little mysid that's quite unlike the unusual stream-lined mysid shape. The genus I know that's like this is Idiomysis. There's one species described from Australia - Idiomysis inerrmis - but it may be that they are overlooked because they're so small. Matt -- that's an absolutely outstanding image, the very best I've seen. \Would you mind if I downloaded it for my files?

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