Here are some general guidelines for baking salmon. 1  A good rule of thumb is that at 350 degrees the salmon will bake about ten minutes per one inch thickness of your fillet. 2  A two-inch thick fillet will bake for 20 minutes. 3  A 1-1/2 filet will take 15 minutes and so on.
In the United States, there are over 230 amphibians, over 280 reptiles and approximately 800 species of fish. Each of these categories has species represented on the US Endangered Species List. Together, more than 170 amphibian, reptile and fish species are threatened or endangered.
Of all invertebrates, the insects are by far the most numerous. There are so many species of insects that scientists have yet to discover them all, let alone name or count them. Estimates of the total number of insect fall in the range of 1 to 30 million. The vertebrates represent the remaining 3% of all species and include species that are the most familiar to us: amphibians, reptiles, birds, fishes, mammals. The list below provides estimates of the number of species within various groups of animals.