Sea serpents are a kind of sea monster either wholly or partly serpentine. Sightings have been reported for hundreds of years, and recent work by Bruce Champagne indicates that there have been 1,200 or more all told. Sea serpents have been seen from both ship and shore, and by multiple people at once, groups that sometimes count scientists among their number. Despite the numerous sightings, though, no credible physical evidence has been recorded and it is currently believed that the serpents do not actually exist. Oarfish, which washed ashore at City Beach, off Perth. These fish are extremely rare.