created for zoo curator presentations but not overly scientific, generous sponsor Piscine Energetics even has info to help The Dallas World Aquarium. Video both extremely interesting and in entertaining old Letterman style Top Ten:
https://youtube.com/playlist?list=PL6rhl0f6nHcbNrRU7pjXKxtroJqWDS6-Y
https://youtube.com/playlist?list=PL6rhl0f6nHcbNrRU7pjXKxtroJqWDS6-Y