Phractocephalus... www.fishbase.se

redtail catfish... nas.er.usgs.gov

Phractocephalus... www.fishi-pedia.com

FishSounds fishsounds.net

Redtail Catfish... www.inaturalist.org

Redtail Catfish · Tennessee... tnaqua.org

Phractocephalus... www.fishi-pedia.com

Phractocephalus... www.fishi-pedia.com

Phractocephalus... www.seriouslyfish.com

Redtail Catfish... www.inaturalist.org

CATFISH - REDTAIL AMAZON... aquaticsunlimited.com

Red Tailed Catfish... pixels.com

Redtail Catfish... www.megafishingthailand.com...

Phractocephalus... www.seriouslyfish.com

File:Phractocephalus... commons.wikimedia.org

File:Phractocephalus... commons.wikimedia.org

File:Phractocephalus... en.wikipedia.org

Phractocephalus... www.vecteezy.com

Redtail catfish... www.alamy.com

PlanetCatfish.com -... www.planetcatfish.com