Homebrew Vampire-Bitten Giant Goldfish Species Details

A Giant Goldfish that has been bitten by a vampire.They are about 5 feet tall. They can breathe in air and water. They have a swimming speed of 75 feet and a flying speed of 90 feet. Fyi you're memory is human level. In fact, your entire brain is better than a regular goldfish and most humans. You have better senses too, such as vision, hearing, etc. You have no weapons or clothes, but you can hit someone with your tail or bite them.

Vampire-Bitten Giant Goldfish Traits

Vampire Bitten Giant Goldfish

Darkvision

Dark vision for 120 feet

Bite

You can turn a creature into a vampire by biting them, this has no effect on undead

Amphibious

You can breathe in air and water 

Supreme Intelligence

You have an intelligence higher than most humans, with an IQ of 240

Ability score increase

All ability scores increase by 3

Tail slap

You can do 1d10 bludgeoning damage to a creature with this attack