Print; It was a fish story … Sightings of these animals in the northern Gulf of Mexico (i.e., U.S. Gulf of Mexico… The tan color on this map shows the range of sperm whales in the Gulf of Mexico. Scientists are asking for your help to find out. Hundreds of killer whales seen in Gulf of Mexico. The killer whale is distributed worldwide from tropical to polar regions (Leatherwood and Reeves 1983). STOCK DEFINITION AND GEOGRAPHIC RANGE. Orcas usually don't come close to the mouth of the Mississippi River, so why are they there now? Their home is the ocean. They do not have homes. Wednesday, March 25, 2009 By JAY REEVES, Associated Press Writer . Boaters in the Gulf of Mexico captured video of a rare and unexpected sight: a pod of orcas, or killer whales, swimming in an area far from their natural habitat. orcas – killer whales in cabo san lucas The Orcas we encounter on Cabo San Lucas Whale watching tours are individuals from the Eastern Tropical Pacific Population that is known to travel between the Baja and Sea of Cortez down to Costa Rica. Whales live in the ocean. According to a NatGeoWild documentary on the world's deadliest ocean predators Orcas live in all oceans of the world including the Atlantic Ocean on the eastern side of Florida. Not quite a new species, but the population of sperm whales in the Gulf is distinctly different from their relatives. The colored areas show the chance of sperm whales utilizing this habitat, with red being the highest. It is true that the Gulf of Mexico has no viable seal population since the demise of the Caribbean monk seal (Monachus tropicalis); however, that is no reason to think killer whales could not still thrive there. KILLER WHALE (Orcinus orca): Northern Gulf of Mexico Stock.