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I have found a new hitch-hiker on my live rock. Its a dark brown, hairy all over crab. Its claws are very big, but are not pointy/sharp like most crab claws, they are more like flat, blunt tongs with a large surface area (about 2 mm in diameter on each 'point') if you understand what I mean...

Hi everyone, I've had a small 40 litre puffer tank running for 7 weeks. We have been experiencing a hair algae problem now for about 3-4 of those weeks, and cant seem to get rid of it. I disturb its growth every 3 days or so, but within 2 days, its covered the gravel and rocks again. Is...

Ive got 5 Yellowtail damoiselle's, and I've noticed that one of them has what appears to be damaged scales on one side towards his spine. They appear to be hanging off. I guess he has scraped himself on some rock in the tank? There are plenty of places they race through all the time... Could...

I woke up this morning to find one of my red-legged hermits half torn to pieces next to his shell. I picked the shell out of the aquarium, and got rid of the body. I have since put the shell back in the tank, to find the hermit still in his shell. I initially thought it was another hermit...

I have been told its a Jewel damsel due to its emerald spots next to the gills, but all images I have seen of jewel damsels look nothing like my fish. Anyone else any ideas? Thx

I woke up this morning to find some small (about 5mm in diameter) blobs on my glass (3 or 4 of them) with tiny white what I guess are Eggs in. Although I think they are eggs, I am not sure who could of laid them... Here are my options: Jewel Damsels Turbo Snails Nassarius Snails Cleaner Shrimp...

Hi, Ive just had arrival of 11 baby mollies through one of my female adults. Can anyone tell me how fast they grow from birth? I am hoping to sell them on to my LFS, but would like to know a good time period if possible... Is 4 weeks from birth going to mean they are a decent size? Any...

Got up this morning and tank was crystal clear. Within 1 hour of turning the lights on its gone really cloudy. Hadnt added any food. 5 Jewel Damsels (not real jewel damsels tho... dont get me started!!) 1 Chalk Bogy 3 Red-legged hermits 2 Lettuce nudibranch's Just off to test water, will let...

I got some maidens hair recently, but in the last week 90% of it turned blonde from being bright green, and now all the grass has shed leaving 10% nice healthy hair, 90% rock. I checked with my LFS where I got it from, and the two other specimens they have, have also done the same. Has it...

Hello all, I bought some maidens hair 2 weeks ago and over the past 4 days its all turning white. I thought it might be due to bad water quality or somethin in my tank, but I went to my LFS and the 2 other chunks they have have also gone white. My LFS owner moved his to give it more water...

Been searching on this site about snails that I have in my aquarium. They are only about 10mm long at present, but have something like an elephant trunk sticking out the front.. Are these called elephant snails? and are they harmless ? Many Thanks!

Had my live rock on Sunday, By Tuesday a hole developed and various small bits of sponge/coral that had grown started to be broken off and thrown out of this hole / small cave. Yesterday more came off, the hole is now an inch big. Then I noticed this caterpillar type thing in a tiny hole...

Went to view my maturing tank this morning to find a very pleasant surprise on my 3 day old LR... I think its a baby sea apple or sea cucumber of sorts, but maybe you guys can confirm for me? Its about 10mm long and hasnt moved from the V shape its currently in. Its worth noting it travels in...

Ive just bought a couple of Power-Glo tubes for my 50G tank. They are rated at: 30Watts 135 Lux 18,000 K (Kelvin) The tube packaging says that they promote invert and coral growth blah blah blah, but I was under the impression I would need something like Metal Halide to do that...

Bought some 'sea grass' from our lfs this weekend (see pic). Does anyone actually know what this stuff is called, as its not 'sea grass' lol!! Anyone know any characteristics of it? Any info is much apprectiated! :D Cheers!!

Tested my crystal clear water last week and found unusually high Nitrates and Nitrites. Did a 10% water change, and retested 5 days on. 0 ppm Ammonia 0 ppm Nitrites 7.2 pH 90 ppm ish on Nitrates Water has also gone a little cloudy, and my siamese fighter & bull-nosed pleco have started to get...

Please see pic below.. This is what I thought was a small coral or sponge growning on my new LR. Today I got up and it was gone... not fallen out, not in the hole (unless deep) and nowhere else in the tank... Could anyone explain its dissapearance? The tank it currently maturing, so no fish...