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08-03-2006, 12:45 PM
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#1 (permalink)
| | Plankton
Join Date: Jul 2006 Location: Northern VA [school] South Jersey [home] Age: 22
Posts: 20
Karma: 1
 |  Dear ambiguous invertebrate:
Let me start by saying "no, I can't provide you with a macro shot."
I know this is going to be hard to try to identify, but...
I went away for a few days. I came back, to find clusters [maybe 5-6 growing in close proximity] of maybe 3-4 mm anemone-looking creatures.
They look like anemones- the "oral disc" area is a creme color, with what looks like 12 arms radiating from the center. There are some individual ones dispersed throughout the glass. But from what I've noticed, they don't seem to move.
Also, i've found what I'm assuming are some kind of pod... mottled dark brown or black, with a white blotch extending from their front to their middle.. they don't seem to move very much. They're about a centimeter long and half a centimeter thick. They're exoskeleton looks segmented, kind of like a wood louse or pill bug...you know, those small gray armadillo-looking bugs? | 
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08-03-2006, 01:25 PM
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#2 (permalink)
| | Giant Squid
Join Date: Nov 2004 Location: Los Angeles, California Age: 20
Posts: 3,450
  
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Ok lets see how i do.
1) Clusters. Because they are creme colored I'm going to lean more toward a little sessile invert rather then an anemone. But I wouldn't rule it out. 94922_20 Do they look at all like this?
2) The second sounds to me like an amphipod. Check out this site, see if any look similar to what you have. Common Pods & Shrimp _________ Tank Specs:
55 Gallon Mixed Reef
48" Tek Light: 4-54W T5 HO Fluorescents
Bulbs:
1 x 54w Fiji Purple T5 HO Fluorescent
1 x 54w Super Actinic Blue T5 HO Flourescent
1 x 54w 14000K AquaBlue 75/25 T5 HO Fluorescent
1 x 54w 10000k AquaSun T5 HO Fluorescent
Hard Stuff:
100+ lb. Fiji Live Rock
65+ lb. Live sand
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08-03-2006, 08:48 PM
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#3 (permalink)
| | Plankton
Join Date: Jul 2006 Location: Northern VA [school] South Jersey [home] Age: 22
Posts: 20
Karma: 1
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Ok, well the larger guys are Isopods.
But the little ones definately arent feather dusters. I noticed that they are in an area of high current... they seem to be congregating there. They're tiny and I don't know what they are. They really do resemble tiny anemones.
My snails all buried themselves under the sand. Is this normal? I don't see any "propellors" sticking out. | |
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08-03-2006, 09:10 PM
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#4 (permalink)
| | Feather Duster
Join Date: Nov 2003 Location: Duluth, Minnesota Age: 60
Posts: 249
Karma: 40
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wood louse or pill bug...you know, those small gray armadillo-looking bugs
Pretty much tell you they are Isopods. I just got done posting on them on Reef Sanctuary. Here is soemthing on their biology. Pills, Parasites, and Predators; Isopods in the Reef Aquarium by Ronald L. Shimek, Ph.D. - Reefkeeping.com
The other ones, being they are on the glass, don't move, tell me that more than likly the are not anemone or anmeone like animals but Scypha sponges. Scypha sponges - Google Image Search  _________ Boomer Want to Talk Chemistry ! The Reef Chemistry Forum 
If you See Me Running You Better Catch-Up An explosion can be defined as a loud noise, accompanied by the sudden going away of things, from a place where they use to be.
Last edited by Boomer; 08-03-2006 at 09:19 PM.
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08-04-2006, 01:08 AM
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#5 (permalink)
| | Scooter Blennie
Join Date: Sep 2005 Age: 26
Posts: 1,200
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Quote: |
Originally Posted by Boomer | Did you know the crown of the Scypha/Sycon sponge is calcearous? Neat.
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30g reef tank, CPR CY192 filter w/ DIY plumb running Rio 17HF return, Coralife 3x 9w UV Sterilizer, 3 24W T5-Helios 10K Daylights/3 24W T5-Helios Blue lights, 2 Logysis blue meteor light strobes (moonlights/24 Blue LEDs).
Tiger tail cuke, asst. snails/hermits, asst. feathers, rainbow acan,zoos,shrooms,bubble,galaxea, asst. shrimp, 2 ocellaris,mandarin,zebrasoma xanthurum,pink-spot watchman,red-striped pistol. | |
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08-04-2006, 11:11 AM
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#6 (permalink)
| | Feather Duster
Join Date: Nov 2003 Location: Duluth, Minnesota Age: 60
Posts: 249
Karma: 40
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Not rerally rick. Sponges are supported by what are called spicules. Spicules are either Siliceous/glass/silica or calcareous (calcite not aragonite). Spicules are the supportive structure of sponges There are many group types of spicules, a key to sponge ID.
The crown, if that is what I think you mean, is called the osculum. Spicules will be more dense in this area to make the osculum opening more rigid.
Here is a simple biology page sponges
Images of spicules sponge spicules - Google Image Search
A drawing of a simple sponge  | |
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