The sea mink was the largest of the minks. As only fragmentary skeletal remains of the sea mink exist, most of its external measurements are speculative and rely only on dental measurements.[1][2][3] In 1929, Ernest Thompson Seton, a wildlife artist, concluded that the probable dimensions for this animal are 91.4 centimeters (36 in) from head to tail, with the tail being 25.4 centimeters (10 in) long.[4] A possible mounted sea mink specimen collected in 1894 in Connecticut measured 72 centimeters (28 in) from head to tail and the tail was 25.4 centimeters (10 in) in length; a 1996 study found this to be either a large American mink or possibly a hybrid.