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 25–39 of 39

Osteolepis macrolepidotus was a lobe-finned fish (Sarcopterygii) with a broad, flattened head and a tapering body …

Macropodus opercularis

This species exhibits sexual dimorphism. Males are larger than females and possess elongated filaments on their …

Trichopodus leerii

The Pearl gourami has an elongated, oval-shaped body that is strongly compressed laterally.

Cynolebias porosus

The Porous seasonal killifish has a fusiform (spindle-shaped) body that is laterally compressed. The snout is …

Pyrrhulina filamentosa has an elongated body with a large caudal fin, the upper lobe of which …

Acheilognathus asmussii

The Russian bitterling has a very characteristic appearance that distinguishes it from other members of the …

Pungitius platygaster

The southern ninespine stickleback can be distinguished from its European relatives by the large flaps on …

Cobitis taenia

The spined loach has a long, slender body, slightly compressed laterally, which helps it move easily …

Corydoras sterbai

Compared to other species in the genus, Sterba's Corydoras has a relatively high body. There are …

Puntigrus tetrazona

These barbs have tall, strongly compressed bodies. There are no whiskers. Females are larger than males …

Trichopodus trichopterus

In terms of body shape and fin structure, the fish resembles the pearl gourami, but its …

Nannostomus trifasciatus

The genus name Nannostomus comes from the Greek nannos ("dwarf") and the Latin stomus ("mouth"), referring …

Misgurnus fossilis

The body of the Weatherfish is elongated, slightly compressed at the sides and covered with fine …

Dermogenys pusilla

The wrestling halfbeak has a slender, elongated body with a distinctive extended lower jaw that forms …

Danio rerio

The body shape of the zebrafish is fusiform, with compressed lateral sides and a superiorly oriented …