This is probably due to “global warming” somehow.
Check it out:

A rare goblin shark was caught last month off the coast of Key West, Fla., in what biologists are calling “an important scientific discovery,” since it is only the second of its kind ever caught in the Gulf of Mexico.

“I never seen something so ugly in my life,” Carl Moore, a commercial fisherman who has been a shrimper for 50 years, told He went on to say the shark’s teeth “were so wicked looking” that he told his crew to avoid going near it.

The April 19 catch was announced Friday because it was just brought to the attention of the National Oceanic and Atmospheric Administration, The Houston Chronicle reported. The pink shark, which was estimated to be about 18-feet long, is usually spotted in the deep waters off the coast of Japan