One of such species which has recently been sighted twice is an Oarfish. The giant snake like fish washed up to the shore of California in mid of October twice, creating a buzz everywhere.
An Oarfish is a large, pelagic lampriform fish, which is also known as the snake like fish. It is quite elongated. It can grow up to 50 feet in length. In fact the giant oarfish, which is said to be upto 17m, i.e, 56ft in length is said to be the longest bony fish alive.