Name The Year: Gregory XIII, pope, born.?

Questions

Common name for about 2200 species of fishes, of which some 1200 are south american?

Common name for about 34,000 species of arthropod animals having eight walking legs, anterior appendages bearing fangs & poison glands, & specialized reproductive organs on the second appendages of the male?

Common name for about 90 species of small songbirds, all of which are found in eurasia?

Common name for an almost exclusively meat-eating family of mammals (carnivore) that are superbly adapted for their typically predatory life?

Common name for an amphibian of the order that also includes toads?