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I was having a discussion with a local reefer, and the topic of parabolic reflectors helping to increase the output of the light over a standard flat reflector came up. I remember seeing a report with math and diagrams supporting this. Does anyone have a link to this? I have not been able to...

Not really aquarium related, but its a distant relative of some of the guys we have to battle... Bathynomus giganticus is its name... supposed to live at @1000m off the gulf of mexico/atlantic coast... WOW :crazyeyes: Just be glad you wont have to deal with them...

this appears to be like the emeralds in my tank, so i am assuming the mithrax crab here is possibly reef safe... I have him in a container atm, but think I should put him in the sump with the LR to be safe... any one agree/concur? *** sorry forgot to attach image*** :oops:

This picture is posted in getting started, but I figured it might get some different visibility here in the ID forum. I have been trying to get a decent picture of this shrimp for a few months, and he is usually between 2 rocks with just his claws sticking out, or out at night where the camera...

I have a hammer, that developed several heads, that I assumed would grow big and add to the size of the hammer. They continue to grow, but I noticed what looked to be one of the heads on a small shell near the hammer, is it possible for them to spread like this? I have looked around the net...

I have a Mag 18 that was used as a return pump for @1-1.5 months... For the past few weeks, I have used it once or twice to mix water. would like to get $75 PM if interested.

I am looking at finishing off the fish stock for my 75g. Currently I have the following fish: 1 yellow tang 2 perc clowns 1 jawfish 1 pink shrimp goby inverts: 1 CBS 1 Skunk Cleaner 5 emeralds crabs 1 brittle star 1 serpent star @ 40 blue legged hermits @15 Turbos @30 nassarius snails 3...

I don't know if this is a repost... but wow, It makes me what to get some today! http://www.usplastic.com/catalog/product.asp?catalog%5Fname=usplastic&category%5Fname=54&product%5Fid=16628&cookie%5Ftest=1 enjoy

Hey all, Seems there are some mixed opinions regarding the flow through the sump. I have seen and heard various posts/people mention to have as large of a pump as you can have to help you increase tank flow, and to help minimize power heads in the tank. Locally though, it seems as if...

I have searched in the ID forum for various shrimp ID's and/or pictures. I got my rock from LR.com and I have recently been watching a hitchhiker shrimp that is @2-3 inches long... He is a lighter brown/tan in color and seems to have 2 small claws that are held out in front. Sort of like the...

I recently picked up this coral. It appears if part of it might be dieing. What steps should i take, and are the pictures good enough to tell? over all the coral looks wonderful and is fairly large when open supposed to be @6-8inches across. the Xenia by it has already been moved... (noto...

im torn between some sort of strange zoo, or a mushroom of sorts.. any ideas?

Found him on the front glass this morning, and I haven't been able to ID yet. Any help is always appreciated... tiny sucker (no pun)

Whats with todays kids... I mean fish? So I have had a few fish in the QT tank, they are going on 3 weeks, and are eating happily. I come home from work, and dinner and go to feed the new guys. I feed them, the shrimp goby, and clowns immediately come up and snatch food from my hand and...

i dont think this id cyano, as it appears to be spotted... but I figure I will post and get opinions... possible coraline growth, as it (coraline) seems to be popping up everywhere....

I have read somewhere that certain fish are more resistant to disease etc due to a slime coating sorta like eels. Are there any fish that you would consider skipping the QT time on? Or any that should not be QT'ed? TIA

First of all, I must say that I have been unable to get any sort of picture of these things, as they come out at night and the camera doesnt agree with me... These seem to come out of what would look like a smaller feather duster structure... But what they do is shoot out little tendrils that...

Hey all, any idea's or suggestions are welcome. Tank has a few frags that still need to be placed, and after 1 month up, has coraline growing out the wazoo!

in my 75g with 160lbs of LR, I am looking at adding the following fish... 1 yellow tang 2 true perc clowns 1 six line wrasse 1 diamond goby (LFS calls them orange spot gobies) 1 lawn mower blenny 1 fire fish 2 blue reef chromies I know this is long, but what would you change (add/subtract?)...

I have a picture of some sort of pod creature on my glass... different then the normal little guys with the tails and antennas... The coral I was told that it was a white star polyps, problem is they dont look like any pictures I have found on the web for white star polyps. TIA

I was given a handful of these snails which were supposed to be Nassarius snails. I know the pic is small for the snail ID but they are small guys, they look nothing like the pictures that swfish.com has for Nassarius snails. They can bury themselves in the substrate, and do have a little...

I must say, I got more then I bargined for tonight. I contacted a local reef keeper, to inquire about some neat green ricordia they were selling for 10 dollars a polyp. Through a few emails they found out that I was looking for smaller frags and was instructed to drive over to their house to...

http://cgi.ebay.com/Salt-Salinity-Refractometer-Hydrometer-4-Fish-Aquarium_W0QQitemZ7537311819QQcategoryZ26237QQrdZ1QQcmdZViewItem any problems with this unit? TIA

I currently have a 75g with @160lbs of LR My list of fish that I would like to see are as follows: 2 perc clowns 1 jawfish 1 watchman gobie 1 firefish 1 yellow tang/or blue hipo tang Any suggestions or additions/subtractions? TIA

I know you dont want to over-do your fish, as you introduce them to the tank... My tank has been cycled for @1week, and the cleaners are hard at work cleaning away. I was looking at making an order from saltwaterfish.com, but in order to get the break on shipping etc i was looking at getting...