BLACKWATER! APISTOGRAMMA, ALTUM angels, GULPER CATS and SATANOPERCA in the Rio Atabapo

Apistogramma psammophila (dwarf cichlid) , Crenicichla spec. (pike cichlid), Pterophyllum altum (altum angel) , Heros libirifer (mouthbrooding severum) and Asterophysus batrachus (gulper catfish) in the Rio Atabapo! This is a real blackwater habitat, with very acidic pH 4.5-5.0 and not measurable hardness, fine white silica sand substrate and large boulders. This video was filmed in the 1990s, so it is just 720p.... Video index: 0:00 Rio Atabapo, a blackwater river on the border of Colombia and Venezuela 0:42 Amblydoras in nature, blackwater substrate of sand and leaf litter 1:05 Lasiancistrus 1:33 Mastiglanis asopus in nature 1:52 Apistogramma psammophila (Orinoco basin relative of Apistogramma diplotaenia) 2:49 Crenicichla spec. Orinoco dwarf in nature, the small regani-group pike cichlid 3:49 Apistogramma psammophila and pike cichlid in nature 5:59 Satanoperca daemon in nature 6:15 Leporinus in nature 6:23 Heros libirifer in nature, the mouthbrooding severum 6:30 Goeldiella eques in nature, a relative of Pimelodus 6:44 Pterophyllum altum in nature, the altum angel in the wild 7:18 Astrophysus batrachus, gulper cat habitat More Apistogrammas here: APISTOGRAMMA in nature -    • BLACKWATER! APISTOGRAMMA, ALTUM angels, GU...   ( Apistogramma alacrina and others ) Also check out our other videos of other famous fish in nature: GOLD NUGGET PLECO collecting -    • GOLD NUGGET PLECO , Baryancistrus xanthell...   ( Baryancistrus xanthellus ) PIRANHAS guide -    • Video   ( Pygocentrus cariba and others ) CARDINALS in nature -    • CARDINAL in NATURE / NEON TETRA in NATURE,...   ( Paracheirodon axelrodi ) CORYDORAS in nature -    • CORYDORAS in NATURE ( Hoplisoma apiaka ) -...   ( Corydoras apiaka habitat destruction ) STINGRAYS collecting in nature -    • Catching STINGRAYS - POTAMOTRYGON MOTORO a...   ( Potamotrygon motoro ) BLUE RAMS in nature -    • BLUE RAM - RAMIREZI CICHLID in NATURE ( Mi...   ( Mikrogeophagus ramirezi )