species id

Hey awesome folks of reef2reef, I have a macro-algae dominant aquarium in a Fluval Evo 13.5 (see video below). I only had 2 fish - a Yellow Stripe Goby and a juvenile Chromis - in the tank (along with some inverts) until yesterday, when I introduced a Hector's Goby and a Tail Spot Blenny to...

Hi all, Recently I changed skimmers and my chaeto died off, and now is back with a different texture (weird right - it’s much thicker, darker green, and stiffer than earlier) and what seems to be a new species or algae has started growing on the water surface. Any idea what this is stuff is...

So I need some help. I got a mantis shrimp from a great pet shop. But the problem is whenever they ordered it I was getting a mystery. It came out to be a spearing mantis shrimp but the thing we don’t know is would be the species of the shrimp. I am not a expert on classifying them just...

Hello everyone i got sent two unidentified anthias by my seller a while back which at first i wanted to introduce to my fiji lyretail but found out they look a bit different. I do know they don’t always do well in pairs so if something suddenly happened i can move one of them to another tank. Is...

I ordered “bergiah” early this year With hopes of starting a nudibranch culture to deal with aptasia. I decided to order a pair from 3 different vendors in order to diversify my genetics. I believe I received 3 entirely different species. It seems one group was truly berghia, but I can’t seem...

Hey all, I’ve had a tank for sometime now and just put in this new duncan coral, and I’m wondering what the exact species/family of duncan I have. My friend has one and it’s whiskers are very long but mine are very short. I’ve read stuff about flow and all that, but I’ve changed it around and...

So I was observing my tank and to my surprise I ran into something very strange that caught my eye. It seems to be a type of snail but without a shell. This “snail” is a little smaller than a dime. Help would be appreciated! It’s kinda creepy! *See images below*

Hello. I'm not sure where the best place to post this is, but here we go. I work as an intern at a small aquarium in North Carolina. We rescued this juvenile (only 13 inches long) barracuda earlier this week, as it was previously being kept in abysmal conditions (no space to turn around...