Agree, the Project Piaba can be used as a source of beautiful scape imagery to create our own blacwater biotopes. These guys have also and Instagram and are more active there:
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These bleeding heart tetras (Hyphessobrycon socolofi) were imported in Ukraine through their fish conservation programme
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But for correct replication of natural biotopes you'll need to consult scientific websites and communicate personally with locals.
BTW, does anybody here keep a blackwater aquarium?