The remaining portions of the base were developed as Port San Antonio, an industrial/business park and aerospace complex. San Antonio is home to six Fortune 500 companies and the South Texas Medical Center, the only medical research and care provider in the South Texas region.
1 The giant manta ray is the largest ray species in the world. 2  The giant manta ray has the largest brain of all the worldâs fishes, and much remains to be discovered about its intelligence and social interactions. 3  Despite its massive size, the giant manta ray feeds on some of the smallest organisms in the ocean.
As the regular foods that these predators consume continue to be depleted, the Manta Ray is a great substitute. Since they are extremely large animals they are a good meal for these types of predators that need large amounts of food to survive.