Arapaima
Arapaima gigas
The body of the arapaima is elongated and compressed from the sides. It is covered with …
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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Arapaima gigas
The body of the arapaima is elongated and compressed from the sides. It is covered with …
Synodontis nigriventris
Body stocky, slightly flattened at the sides. Back more convex than abdomen, eyes large, mouth lower …
Anguilla rostrata
The body is elongated and snake-like, with a pointed head and many teeth. It is covered …
Anguilla dieffenbachii
The New Zealand longfin eel possesses a long, slender body with a large mouth filled with …