Britannica
Sources used in this answer
How large can the biggest adult harp seals become?
Created from Britannica articles
using AI.
AI can make mistakes, so verify using Britannica articles.
harp seal
A mother harp seal and a young “whitecoat.” Adult harp seals are gray with black spots. Young harp seals are called “whitecoats,” “bedlamers,” “beaters,” or “graybacks,” depending on their age.
The largest adult harp seals can reach a weight of 180 kg (400 pounds). While average-sized adults of both sexes measure 1.8 metres (6 feet) in length, these maximum weights represent the upper end of the species' size range.1