Search results
Results from the WOW.Com Content Network
Freshwater fish are fish species that spend some or all of their lives in bodies of fresh water such as rivers, lakes, ponds and inland wetlands, where the salinity is less than 1.05%. These environments differ from marine habitats in many ways, especially the difference in levels of osmolarity .
This fish also occurs in estuaries. largest freshwater pufferfish, they are very peaceful with most fish except, other Mbu pufferfish, other fish that will harass them. see above [82] Congo pufferfish: Tetraodon miurus: 15 cm (5.9 in) As it is an ambush pufferfish it is best to house it alone as it will attack tank mates. See above. [83]
The Xingu River ray, River stingray, white-blotched river stingray, or polka-dot stingray (Potamotrygon leopoldi) is a species of freshwater fish in the family Potamotrygonidae. It is endemic to the Xingu River basin in Brazil and as such prefers clear waters with rocky bottoms. [ 1 ]
Centrarchidae, better known as sunfishes, is a family of freshwater ray-finned fish belonging to the order Centrarchiformes, native only to North America.There are eight universally included genera within the centrarchid family: Lepomis (true sunfishes), Micropterus (black basses), Pomoxis (), Enneacanthus (banded sunfishes), Centrarchus (type genus, consisting solely of the flier C ...
The New Zealand longfin eel (Anguilla dieffenbachii) is a species of freshwater eel that is endemic to New Zealand. It is the largest freshwater eel in New Zealand and the only endemic species – the other eels found in New Zealand are the native shortfin eel (Anguilla australis), also found in Australia, and the naturally introduced Australian longfin eel (Anguilla reinhardtii).
A 1000-kg, 4.17-m-long beluga fish from the Volga River (National Museum of Tatarstan, Kazan, Russia) Among all extant bony fishes, the beluga sturgeon rivals the ocean sunfish (Mola sp.) as the most massive fish and is the second-longest bony fish after the giant oarfish (Regalecus glesne). It is the largest freshwater fish in the world.
The ruffe (Gymnocephalus cernua), also known as the Eurasian ruffe or pope, is a freshwater fish found in temperate regions of Europe and northern Asia. [2] It has been introduced into the Great Lakes of North America, reportedly with unfortunate results, as it is invasive and is reproducing faster than other species.
Siluriformes, or catfish, are a diverse order of fish distinguished by prominent barbels, which give the image of cat-like whiskers. In Swedish waters, the only species of this order is the wels catfish (Siluris glanis). This very large freshwater fish is common over much of continental Europe, and was once well known in Sweden.