Paradise fish
Macropodus opercularis
This species exhibits sexual dimorphism. Males are larger than females and possess elongated filaments on their …
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%.
Showing 1–4 of 4
Macropodus opercularis
This species exhibits sexual dimorphism. Males are larger than females and possess elongated filaments on their …
Sander lucioperca
There are 8-12 short, broad, brown-black horizontal stripes on the sides. The dorsal and caudal fins …
Stizostedion canadense
The body of the sauger is slender and almost cylindrical, and the head is long and …
Stizostedion vitreum
Walleye have a slender cylindrical body with a conical head. The first dorsal fin has sharp …