There is a whale. There is a shark-whale. There is a merlin. But there are no dolphins.
I think adding even one dolphin would reduce the feeling of loneliness for players who suffer from this . Adding the ability to tame him by giving him a specific fish would be cool.
Someone has already mentioned that more animal species could be used . Currently, on the islands, animals are placed according to the scheme. When you reach the island, you immediately know what animals live there. And if that were a mystery …