aggresive fish

Hi everyone!, I'm new here and recently, I bought 3 new Guppies (1 male and 2 females) Blueberry, Poseidon, and Pineapple. Both Blueberry and Pineapple each gave birth to about 20-30 fry about last week, and in my 6 gallon tank, there is now about 30-60 guppies (all fry), 2 pygmy corys, and 2...

Hi here’s my scape. I have a betta, 1 bumblebee catfish, 1 panda Cory, 2 kuhli loach, and 5 ghost shrimp. The betta and the lava rocks have coexisted with no issues for almost two weeks now but yesterday I woke up and noticed a large majority of the bettas anal fin was completely destroyed. I...

I have attached several photos to this thread of the damage to my hongi. I have a African cichlid tank and I’m finding that my red jewel is picking on the red top hongi. I have noticed some damage to the scales on the side of the fish. Any advice to this?

I purchased what I thought was a yellow lab from petsmart few months ago and recently it's gotten much bigger than my 6 inch parrot fish and started bullying her. My parrot fish is currently in a hospital tank because her fin is injured. I posted the ad on kijiji and plenty of people inquired. I...

In my 55 gallon aquarium I have 2 siamese algae eaters (I now know I need more, but the store I bought them from said it'd be fine to start with 2; I'm currently stuck searching for a few more in the middle of winter with no local fish store or aquarium club). The 2 I do have, however, have been...