one of them is the Greenland polar with mild (or not so much) blindness due to the peculiarities of the shark itself and the lifestyle in cold waters and the inhabitants there. he also wants to ... "eat" a seal and is basically a fan of all their kind (seal-like beastmen included)

and the second, shark ganga, is a hunted young man because of the superstitions of the inhabitants of the coast of India, where this shark is famous for its bloodthirsty character, but in fact it is confused with a bull shark. Because of this confusion, the ganges is considered dangerous and the locals are exterminating it, and this species is still poorly understood.