Koi Carp & Ponds

This is something that i believe could completely reshape minecraft’s under water world and would represent a community that isn’t talked about enough and a creature which is very culturally important to Japan, and because MOJANG love representing parts of the world, I believe this idea is the perfect fit. First of all, a new feature in biomes like the plains and forests and jungles could be implemented: the pond. in this pond, lilly pads and sea grass could be inside and a creature that exclusively inhabits this and rivers could be the Koi carp. however in these locations, the Koi would be a muddy brown or greenish colour and not too appealing to the eye, so the player catches them in a bucket and either breeds (this would be the challenging way to get a nice coloured koi and would be rare eg: 1/100 to get a colour mutation) using either a new item eg: worms or something like pellets that could be introduced which could be crafted with seeds and other vegetables like carrots within minecraft, or fisherman villagers (giving them a new use) could sell Koi carp with colour mutations for a high emerald price (just like in real life, because koi carp can be insanely expensive) Delving deeper into the mutation idea, breeding koi with different colours together can influence the colour of the offspring and could be a very unique mob to spruce up players bases, and koi could also have a use like being able to farm resources in the soil underwater like seeds etc. and a flex