Freshwater

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 1–9 of 9

Arapaima gigas

The body of the arapaima is elongated and compressed from the sides. It is covered with …

Clupea pallasi suworowi

The abdominal keel scales of the Chosa herring are developed only behind the base of the …

Anguilla rostrata

The body is elongated and snake-like, with a pointed head and many teeth. It is covered …

Clupea harengus

The body is not high (its height is about 1/5 of body length). Head is comparatively …

Anguilla dieffenbachii

The New Zealand longfin eel possesses a long, slender body with a large mouth filled with …

Oncorhynchus mykiss

Steelhead are usually slender and streamlined. The dorsal coloration is mostly blue-green with an olive hue, …

Acipenser fulvescens

Lake sturgeon are somewhat torpedo-shaped, and the upper lobe of the caudal fin is longer than …

Acipenser medirostris

Sturgeon and paddlefish, best known for their black caviar, belong to the order Acipenseriformes, but at …

Oncorhynchus gilae

The Gila trout, a member of the Salmonidae family, is an olive to copper-colored fish with …