Endangered Species Day, Saturday, May 18 2018 10AM - 4PM. In honor of national species day, the downtown aquarium will host an interactive booth showcasing Landrys conservation efforts. Exciting adventures will include: tiger enrichment activities, fish feedings, animal appearances, interactive dive shows and story time craft. Guests will also be able to test their knowledge with a themed quiz and enter a drawing for a chance to win a free Marine Biologist or Zoologist for a day program.