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The following bit of internet insanity, which crossed our transom as a forwarded email in 2003, has one key point running against it: It's not a photograph of a blue whale. The star of this celebrated picture is actually a whale shark, a genteel marine critter which is not a whale but rather a member of the shark family. Specimens of this species can grow to be 46 feet long and weigh up to 15 tons. On average, they reach about 25 feet in length. In contrast, blue whales can grow to be 94 feet long and weigh up to 174 tons. An average one will be about 80 feet long and weigh about 120 tons. The whale shark (like all sharks) lacks a penis, so the circled item in the photo above is not that anatomical item, no matter what it looks like. (Male sharks perform their part of the mating process with the aid of their two claspers, rod-like appendages of their pelvic fins that are rotated and inserted into the female's cloaca at mating time.) As to what the item hanging down is, the best guess from folks who study sharks has it that part of a female shark's intestines extruded through her cloaca, probably because of the ropes cutting into her. Regarding how much sperm a blue whale ejaculates, we've yet to encounter the researcher who would admit having studied this. Ergo, the e-mail's claims about the ejaculatory habits of this creature (400 gallons of sperm per emission, 360 of which ends up in the ocean) should be viewed as literary embellishment.
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