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 …
Pygocentrus piraya
The piraya has a laterally compressed, roughly circular profile typical of piranhas. A distinctive feature is …
Pygocentrus nattereri
The red-bellied piranha has a short, deep body shape. Its cross-section is compressed.All piranhas have large …
Puntigrus tetrazona
These barbs have tall, strongly compressed bodies. There are no whiskers. Females are larger than males …