Which fishes are poisonous?

How do they know which fishes are edible and who does the testing for this? It's not like they bring in every species they forund for a lab test, right?

i have some molly, guppy,platies,swords,algae eater,snails,shrims,ballon molly, neon tetra and some zebra fishes since i have a very big aquarium i want to add all the fishes which do well with eachothers company so guyzz tell me which are the other...

Okay so my school is building a hydroponics pond and i would like to know which fishes will be able to live together in it. The main fishes we were looking at using were Koi fishes ...show more

I am currently on a date with a guy who is trying to impress me, so he presented me with a tray of ocean fishes and I would like to know which is the freshest please. He has a vast variety of ocean fishes so which one should I pick???

i have a 10 feet aquarium which i am planning to do a planted tank. so i thought of asking which fishes do suit a planted tank i want to add many varieties of fishes in the tank

Which are the best fishes to keep in fish bowl? i already have 2 gold fishes

i have seen goldfish, baby shark and all type of fish in wallmart. i want to choose a fish which need lees time for take caring. i love fishes. but i dont want to spend my much more time for fishes. so help me with that. thank you in advance.

Hi I need details about which fish can be kept 59 gallon tank I totally have 8 tanks 1) 35 gallon - Parrot, Zebra Tilapia, chiclid,frontosa, pink convict, 2) 50 gallon - Alligator Gar 3) 15 gallon - Blue Crayfish 4) 45 gallon - Discuss, Senegal,Hifin...

Hi I need details about which fish can be kept 59 gallon tank I totally have 8 tanks 1) 35 gallon - Parrot, Zebra Tilapia, chiclid,frontosa, pink convict, 2) 50 gallon - Alligator Gar 3) 15 gallon - Blue Crayfish 4) 45 gallon - Discuss, Senegal,Hifin...