Bullhead, Black
Ameiurus melas
The "black" bullhead can actually be yellowish green, dark green, olive, brown, or black on the …
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 1–17 of 17
Ameiurus melas
The "black" bullhead can actually be yellowish green, dark green, olive, brown, or black on the …
Ameiurus nebulosus
The head of the brown bullhead is large for its round and slender body, and the …
Ameiurus natalis
A moderately slender fish, it has skin without scales. The coloration varies from yellowish-olive to brown …
Ameiurus catus
White catfish resemble a cross between a channel cat and a bullhead, with a slightly forked …
Oncorhynchus tshawytscha
The body is elongated and somewhat compressed. The head is cone-shaped . It has a bluish …
Oncorhynchus keta
The mouth is large, with the maxillary bone reaching backwards to the vertical of the posterior …
Oncorhynchus kisutch
Head thick, forehead broad. The tail stem is high. In the sea and when entering rivers, …
Oncorhynchus gorbuscha
Pink salmon are known as "humpback" because of their distorted, extremely humped appearance, which is caused …
Oncorhynchus nerka
The slimmest and most streamlined of the Pacific salmon, which are elongated and somewhat compressed from …
Oncorhynchus mykiss
Steelhead are usually slender and streamlined. The dorsal coloration is mostly blue-green with an olive hue, …
Oncorhynchus apache
The Apache trout is a bright fish with yellow to golden flanks, a fat fin, and …
Oncorhynchus clarki
It is a very variable fish, both in coloration and size. The characteristic feature that gave …
Oncorhynchus gilae
The Gila trout, a member of the Salmonidae family, is an olive to copper-colored fish with …
Oncorhynchus aguabonita
The golden trout is considered one of the most beautiful freshwater fish because of its bright …
Oncorhynchus mykiss
Rainbow trout have the typical elongated and streamlined shape of salmonids, although body shape and coloration …
Oncorhynchus mykiss
Among the most popular and well-known species of fish called trout are brook trout, brown trout, …
Danio rerio
The body shape of the zebrafish is fusiform, with compressed lateral sides and a superiorly oriented …