Chronicles of Catfishes 11 Highwaterman Catfish

Catfish are among the most diverse & successful living vertebrates, accounting for nearly 1 in every 20 vertebrate species (~3,000 total, some perhaps undiscovered)

This one, even for a South American catfish, surprised me. Didn't know until fairly recently there are schooling, abundant filter-feeding catfish... & of course there would be multiple species of them

Main sources/ for further related reading:

https://en.aqua-fish.net/fish/highwat...

https://www.fishbase.se/summary/Hypop...

https://www.planetcatfish.com/cotm/co...

https://en.wikipedia.org/wiki/Hypopht...

https://en.wikipedia.org/wiki/Hypopht...

https://openknowledge.worldbank.org/s...

https://bioone.org/journals/proceedin...

(Few in depth scientific pics from (amazon river biota and amazon floodplain) https://www.researchgate.net/figure/E...

Connectivity of Amazon floodplain lakes at risk due to damming the river basin & changing climate
https://www.sciencedirect.com/science...
https://www.marinelifeid.com/identifi...

H. marginatus goes to floodplain lakes in dry season, feeds on zooplankton & copepods (in spanish, can copy paste translate tho)
https://www.researchgate.net/publicat...


Definitely didn't have time to get into the other 2 commonly baited fish for Laulao catfish-- definitely unique/ different in their own right- Semaprochilodus (colorful fish in same family as Pirahna) is surprisingly migratory and seemingly in decline/ being exploited, and Brycon fish (“South american trout” but actually a Characiform that feeds heavily on nuts and seeds), but I am also tempted to do my own for fun/ learning research on how Itaipu reservoir has altered Parana river/ biota's... doesn't have to be all depressing, all reservoirs/ dams are temporary in the grand scheme of things anyways... just let me know if making a video on any of that may be intriguing enough to make it public/ work toward (tho I do enjoy researching and sharing about general catfish diversity, not all in depth studies...)

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