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Hello! It looks to be a bucktooth tetra, scientific name Exodon paradoxus.

Hi! Nitrifying bacteria colonizes within a biofilm, primarily in the filter due to the large surface area provided by the filter media, the low-light conditions, and plenty of water movement. Nitrifying bacteria can also attach to any solid surface in the tank, but at a much lower density. A...

Hello! True swim bladder disorders are actually not super common. More likely the fish is experiencing some sort of bloating, stress, or another factor is putting strain on the swim bladder, causing the fish to be unable to regulate its buoyancy. However, its nearly impossible to determine...

Hi, I'm sorry to hear about your other fish. It does sound like your new black moor must have brought something into the tank. I am also seeing quite a few problems with your other fish, so lets address those too. Firstly, it sounds like your black moor introduced epistylis into the tank, not...

Hello! I'm sorry to hear your fish is not doing well. He looks quite skinny to me, although it might just be the pictures. Moors should have a round, full belly. Is his sunken in at all? Flat? What is his diet like? If you could give us some information on what he eats, how often, etc, that...

Hello! They are either serpae or red phantom tetras. Some people use the names interchangeably, although I do believe they are different species. It can be quite difficult to determine the difference in juveniles, but from my understanding serpae tetras grow much larger and also have white at...

I wouldn't. Medications really shouldn't be used unless you know exactly what you're treating for. It can be really harsh on fish and frogs. Clean water should be all your froggies need to stay healthy in quarantine. If something changes or they start acting sick please let us know!

This sounds like a columnaris infection. it starts as white patches along the fins and body, becomes fuzzy and then wastes the tissue away. You're treating him absolutely correct! Kanaplex and furan II are the best medications for columnaris. I am wishing you and your betta the best of luck in...

I don't see anything apparently physically wrong with the fish, so its possible the fish just passed due to age. They really only live 3 to 5 years, so if the fish was already a year old when you got it, it may have just lived its normal lifespan. In order to ensure it wasn't anything else...

Thank you guys so much! My goldfish are my babies. And the plant is lucky bamboo! It grows like crazy and eats up all the nitrates in the tank. Its an awesome plant.

Hi! What fish are you talking about? Different species have different nutrient requirements. Here's a great article that specifically talks about goldfish, but a lot of the information applies to tropical species as well, especially the difference between good brands of fish food and bad brands...

Hi! If you're interested in goldfish I highly recommend you check out this link! It has information on stocking, tankmates, plants and goldfish, nutrition and much much more. The Complete Goldfish Care Guide

I personally wouldn't raise the temperature that high. I would simply use a medication containing malachite green and formalin. It wipes out ich pretty quickly.

A swordtail would do just fine by itself with guppies. I'm wondering how large your tank is though? both guppies and swordtails produce large amounts of waste so be careful not to overstock the tank.

Hi Raptor22, I'm so sorry about the delayed response. Your fish's condition is perplexing. Could you try giving it a epsom salt bath to try and draw out any excess fluids in the body? It may be fluid retention from failing organs. It might also be an internal tumor, in which case, there isn't...

Hi! Here's an article that lists dozens of nano fish and their basic care requirements! Nano Fish for Small Aquariums

So great to hear!!

Its very possible the pet store sold you sick fish. I'm thinking either fungal infection, internal parasite or both. I say we start treating externally first. Before we start treatment though, we need to be sure your water quality is pristine. Starting today, I recommend you conduct 50% water...

Hi, It could be lymphocystis, but it almost looks like the beginnings of hole in the head disease. There appears to be the start of some lesions on the side of the head which make me think that. Because there is no cure for lymphocystis, I say we start treating for HITH before things start to...

Hi! Your goldfish looks like its in rough shape. I can't see the ich in the pictures but does it look like the fish has been sprinkled with grains of salt? If so, it is ich. The best treatment for ich, in my opinion, is a medication containing malachite green. Its the most effective in wiping...