Three-lined pencilfish
Nannostomus trifasciatus
The genus name Nannostomus comes from the Greek nannos ("dwarf") and the Latin stomus ("mouth"), referring …
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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Nannostomus trifasciatus
The genus name Nannostomus comes from the Greek nannos ("dwarf") and the Latin stomus ("mouth"), referring …
Gasterosteus aculeatus
The Three-spined Stickleback has an elongated body that is compressed from the sides. The tail stalk …
Schizothorax pelzami, schizothorax raulinsii
The Transcaspian marinka has very small scales and a characteristic body coloration. The lateral line has …
Percopsis omiscomaycus
The trout-perch gets its name from its superficial resemblance to trout, as it has a fat …
Salmo trutta
The brown trout gets its common name from its characteristic olive green, brown or golden brown …
Electrophorus voltai
The species is named in honor of Alessandro Volta — the Italian physicist and inventor of …
Stizostedion vitreum
Walleye have a slender cylindrical body with a conical head. The first dorsal fin has sharp …
Lepomis gulosus
The body is deep, robust, olive brown on top and cream to pale yellow underneath, often …
Misgurnus fossilis
The body of the Weatherfish is elongated, slightly compressed at the sides and covered with fine …
Silurus glanis
The Wels catfish can be distinguished from other catfish by its two pairs of antennae, naked …
Ballerus sapa
The body of the white-eye bream is compressed laterally and more elongated than that of its …
Tachysurus sinensis
The body of the Yellow catfish is elongated, lacks scales, and is covered in mucus. The …
Danio rerio
The body shape of the zebrafish is fusiform, with compressed lateral sides and a superiorly oriented …