Green swordtail
Xiphophorus hellerii
Green swordtails have elongated, narrow bodies that are flattened on the sides. They also have large …
Freshwater fish spend part or all of their lives in fresh water, such as rivers and lakes, with a salinity of less than 1.05%.
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Xiphophorus hellerii
Green swordtails have elongated, narrow bodies that are flattened on the sides. They also have large …
Noturus phaeus
Brown madtom has a dull coloration. The upper part of the body has a chocolate brown …
Noturus funebris
The madtom is recognized by its unique fleshy fin. In non-madtom catfish, the fat fin protrudes …
Noturus flavus
Stonecats have an olive, yellowish, or slate-colored upper half of the body and are the only …