the caivman: new cave-dwelling mob

i posted the idea onto the minecraft suggestion subreddit, and they told me to post it here (original link)

it has too many characters, so i'll give a short explanation:

the caivman is a small, crocodilian-like mob that lives in most undergrounds waterways (except lush caves). they spawn either alone or in pairs, and a neutral in the same way as wolves and pigmen. they have green spikes that glow (part of the texture), which they use to attract bats when they're in the water.

when a bat is killed by a caivmen, it drops 1-2 raw bat wings, which fills 2 hunger and gives the player poison, potentially fatal poisoning. batwing are used to breed caivmen.

you can but the raw batwings in the furnace to get the cooked variant, which can be eaten safely and gives off 6 hunger (but has 2% chance of giving weakness for 4 secs) cooked batwings can also be used for crafting a specific potion.

when a baby caivmen grows up, it drops a caivman scale. this is also used to craft a potion

two potions come out of this: batsight and caivman steps.

batsight is brewed using cooked batwings. it gives the player nightvision for an entire minecraft day, but gives the weakness 1.

caivman steps gives the player waterbreathing for the same amount of time, but will also give the player hunger 1.

caivmen can be tamed with inksacks, however they loose their ability to attract bats and the ability to breed. 

please click link for more details on this mob.