koi fish

Hello, So, yesterday 7/17/22 we did a full tank clean. This time though we took out the filter system and replaced it with an air stone due to our cats continually using the filter as a watering dish. Prior to cleaning tank it had developed black algae almost every time we would clean it. I...

Hello All, Firstly a very good day to you and I hope everyone is keeping safe! I understand my question may be a bit clichéd to all the experienced aquatists out there but please bear with my rookie questions; I have a fresh water aquarium with a lone bala shark, a pair of small (Approx 4cm...

Request Help Tank size: 20Liter pH: N/A ammonia: N/A nitrite:N/A nitrate:N/A kH:N/A gH:N/A tank temp: 25c Fish Symptoms (include full description including lesion, color, location, fish behavior): I have two Koi fish that my girlfriend gift me about a year ago, two days ago i notice that one...

Hello, Back in Jan. this year I rescued 4 fish who were abandoned in a cold apartment in a 5 gal tank. The only survivor is (what I learned from this forum) most likely a butterfly koi fish. His size in length is aprox I am in the process of getting a 29 gal tank for him/her which I think...

Hello, guys, this is what how one female koi fish can produce koi fry 100,000 per spawn

Hi guys, Merry Christmas to you all and to your loved ones wishing you all a very merry fishy Christmas God bless us all

Hi guys, just want to share with you my diorama video of the Legend of the koi fish who turns into a dragon hope you like it he he

My baby loves to feed our kois Hi guys, happy weekend, just sharing my baby girl feeding our kois

Hello guys, here's a video of my 9-week old koi fry,

Hello guys, here's a video of my 6-week old koi fry

Most of my goldfish died, leaving two. My family wanted to buy some guppies and mollies because they breed a lot and we like it but my dad wanted koi fish, because he was afraid that the guppy fries would get eaten by the goldfish. Please reply:  Should we buy guppies...