mystery

Hello! We have a mystery on our hands. My Yellow Clown Goby has not been seen in 2 days. He was reported missing Sunday, last seen Friday evening. I have a 25G AIO, without a lid. I have a decent amount of rockwork, and most of it has been visually inspected. My sand shows no signs of a recent...

These clear "tube" critters have almost completely taken over the rear chamber of my nano AIO. They're growing and attaching themselves to the glass, heater and temp probes. I've also started to notice them growing on the rock in the tank as well. They seem to soft tissue and not hard, they also...

So I went to feed my tank and seen a baby snail I have 2 turbo snail 2 astrea snails 2 sand shifting snails and a Babylon snail I have no clue where this little guy came from or how he survived with the amount of inverts I have please help ID I don’t know what this is and haven’t added anything...

I’ve been reefing for about 7 years. Started with a 30g hex (awful idea), moved to a 40g breeder, and then transitioned to a 90g about 2.5 years ago. For years now, I’ve had fish just…disappear. At first I thought it was me just being a new reefer, or bad parameters, too sensitive fish, etc. And...

OK so long story short around March 9, 2024 I noticed my fish (2 clowns) breathing heavily and I didn't know what was going on. I bought at that time, a cardinal fish from my local fish store and thought maybe it was a disease brought by that new fish. It was weird because my two clown fishes...

Happy New Year to All! I introduced my first corals last week and now find a number of mystery guests on my glass and possibly in the water column. Can anyone tell me what these are?

Its been a while since I last posted and recently picked up a new coral, my LFS had a 39$ frag rack and I saw this beautiful three head torch. It was a great bargain especially for three heads so I had to get it, the only caveat was that the vendor had this in stock for such a while they forgot...

Love the variety of colors of Zoas, but the wife has put a hard stop on bringing ANY livestock that has a toxin in them into the house. I’ve tried to make a reasonable case that with care and protection, “toxic” livestock are no-more dangerous than the DrainO under the sink. All efforts have...

Hi all, I'm looking for some advice really. I have been experiencing some issues with my corals for the past 2-3 weeks now. Initially I had found a faulty power head giving me a fair amount of stray voltage into the water (nasty zap!) However since rectifying this I expected to see improvement...

We have a 75 gallon tank with a Fluval 407 cannister filter. Bottom tray-black sponge followed by polyfill, Second tray- Chemi-pure & polyfill. Third level- biomedia. Final tray- ZeoCarb & phosphate remover pads Return line has a fluval spray bar, the Inlet has a Fluval skimmer with midline...

Hi all, Currently dealing with such a frustrating phenomenon. Two months ago one of my trochus snails started flipping itself on purpose. Even if I put it right again, after 5 minutes it flipped itself upside down again. Apparently this has been reported but no real explanation/cause has been...

Every fish I add the last 3 weeks mysteriously dies. There’s no signs of parasite or disease on the fish at the time of death. So I had an orange shoulder tang and all of a sudden he has a deep slash on him and he was found breathing heavy in the corner, sadly died hours later. I had him for 2...

I have a ~400 gallon tank that was previously running that’s being started up again, but I’m running into a strange problem. It cycles out ammonia usually in 24-48 hours, but nitrite is taking 2-3 days. Parameters: Ammonia: .5 on API and 0 on salifert Nitrite: .5 Nitrate: 25 PH: 8 SG: 1.026...

I’m having a weird thing that may be algae growing on my already diatom covered dry rock. Can anyone please tell me what it is? Thanks!

So just got some live rock and I found two of these snails they are white with horizontal red stripes. Very small and have a bit of a trail behind them that appears to be a part of them and not just a slime trail. They have not done anything remarkable just appear to eat algea. Does anybody know...

Hello I just got some live rock and I found a thick black worm with pointy things on it. It was in a cranny so I could not get a good look it a pic. Any ideas

Does anyone have any idea what this creature might be and if I need to remove it from my tank. I haven't seen it actively eating any corals (I have both LPS and SPS) It is completely nocturnal and I can't even attempt to locate it during the day.

This morning I noticed a patch of clove polyps that were growing up the glass had dissapeared completely. The glass is completely bare (no green film algae or anything) around where the polyps are missing as well. On both sides of the missing patch all the rest of the polyps are fine and open as...

My clownfish eggs hatched some time today, and after lights out, I went looking for them. No clownfish fry to be seen, but I spotted this guy...a few of them actually. Any ideas?

Hey, didn't know where to post this, but I was looking at this fish and was trying to figure out what it is and I basically can't. I've seen it offered for sale by multiple places as "vampire pseudochromis- Maldives" with the exact same picture. Thing is, it doesn't look like the typical vampire...

Mornin' folks! Yesterday I went to the LFS to check out their new shipment of fish. This shipment came from a new wholesaler who apparently got mixed up with a few fish and critters they sent out. I found this goby, the only of it's kind in the store, and for some reason I was curious about...

So, I just inherited an Oceanic 42 gallon hexagon aquarium. I have already gone over the plans to build a new stand since the old one has some water damage and I'm just not playing that game. I am going to be setting up a decent sized sump and a protein skimmer that may just be a bit overkill...

My cycle completed, and I did a complete water change, the nitrates having skyrocketed. Everything (but the pH..) showed up at zero. Nothing at all. So I added a few drops of ammonia. Ammonia began to read, then faded. But nothing else changed. I've noticed this yellow/peach layer developing on...