Thank you all for your interest and support. Much appreciated.
Finally, I started looking into HD video cameras. Here is the product - 9 videos of all the tanks we have going here, 12 in total.
Tank 21, 4500 gal, shot inside the tank, Mar-Apr 2016, "peaceful" community and grow out, niger catfish 4x, marbled pim 2x, marbled sailfin pim 3x, iridescent sharks 4x, black ear shark, Phoenix barbs 3x, Tor khudree, Tor progenious, Tor malabaricus, Tor soro, 4-line pim 5x, sun catfish 9x, giraffe catfish 2x, bolt catfish 2x, albino Hemibagrus nemurus (?), red hooks 4x, silver dollars 2x, vittatus tigerfish 3x, peacock bass 6x, giant gourami 2x, red tail giant gourami 3x, siamese carp 2x, Catla catla, banded leporinus 2x, Pterodoras granulosus 3x, irwini catfish 6x, Murray cod 2x, flowerhorn, red midas, umbee cichlid, vieja cichlid 2x, vulture catfish 6x, aluminum catfish 3x, horse face catfish, bala shark 5x, tinfoil barb 4x, Indian pacific tarpon 2x, Synodontis 4x, koi 2x, Distichodus sexfasciatum 2x and lusosso 2x.
Same tank 21, shot from the outside
Tank 22, 4500 gal, shot inside the tank, Mar-Apr 2016, "aggressive" community, RTC 9x, Jau catfish 2x, silver arowana 3x, peacock bass, paroon shark 6x, pacu 7x, TSN 3x, TSNxRTC hybrid catfish, TSNxMarbled Pim hybrid catfish, Apurensis catfish
Same tank 22, shot from the outside