Thanks all
they are....
Picture 1 - King Leccy - Electric Catfish,
Picture 2, 3 - Flagtail Prochilodus
Picture 4- Leiarus pictus
Picture 5 and 6 - Cichla Monoclus "tapajos"
Picture 7 - Cichla orinocoensis
Picture 8 - the pond! 4x3x1.5 DIY plastic preformed with added window.
Picture 9 - Crenicichla "Xingu 1" aka Orange Pike Cichlids.
Picture 10 + 11 - Aguaronichthys torosus aka Bolt Cat
Picture 12 + 13 - Polypterus endlicheri endlicheri
Picture 14 - Big tank, Bertha the evil ray. (Bertha= Polymotrygon Motoro)
Picture 15, 16 - Arowana- Asian Red Tail Gold from the Wan Hu farm.
Picture 17, 18 - Hepsetus Odoe
Picture 19- 4x3x1.8 tank