Blue whale penis

The reported average penis length varies but is usually mentioned to have an average length of . The most common reported average length is roughly but the average diameter is only , making the penis proportionately very long and thin. "Average" for a blue whale penis, however, is difficult to gauge given that the penis is unlikely to be able to be measured during sexual intercourse. The penis of the blue whale is normally hidden inside its body and jets out through a genital slit during intercourse. ==Scientific studies==

With whales, the length of the penis can be an indication of the maturity of the organism. Sei whales for instance are divided into categories such as immature, pubertal and mature. However, length is not the only factor as it is recorded in relation to the size of the whale's testes and its histology. For instance, research conducted off South Africa found that the longest penis of an immature categorized whale was and the smallest penis of a mature whale was . By comparison the average blue whale penis is nearly 3 times the size of that of a sei whale. ==Specimen==

The Icelandic Phallological Museum houses a fragment of a blue whale penis measuring long, which Icelandic reviews have dubbed the "Big Penis". However, the Icelandic Phallological Museum houses a sperm whale penis fragment measuring long and weighing ,{{cite web ==See also==