Freshwater Large Bottom Dweller Species Profiles

 Freshwater Stingrays

Freshwater stingrays originate from the Amazon River basin and are one of the only rays inhabiting freshwater rather than saltwater. They can grow to have a disc width of about 18 inches (46 centimeters), and with their tales included they can reach upwards of 1 foot (30.5 centimeters) in length.

Large Catfish

Large bottom dwelling catfish can reach upwards of 5 feet in length (1.8 meters) within the aquarium environment, thus must be kept in suitably large aquariums with large tank mates. The aquarium hobby has many large catfish commonly available, including: Red-tailed Catfish, Zebra Shovelnose Catfish and many more.


Bichirs are primitive ray-finned fishes who originate from Africa. They are opportunistic feeders and who should be housed with large, peaceful fish. They can breathe air using a lung-like modification to their swim bladder and can travel on land for short periods of time using their strong pelvic fins. Their aquarium setup should include a tight fitting lid and plenty of open space on the aquarium substrate.

Freshwater Eels

Freshwater Eels have an elongated, snake-like body and vary widely in size and coloration. They open their jaws to allow water over their gills for breathing and utilize their adept sense of smell to hunt for food like worms or small invertebrates. They have poor eyesite and require aquariums with appropriate aquascap and tight fitting lids. Freshwater Eels are recommended for more experienced aquarists.

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