Anchovy Anchovy An anchovy is a small, common forage fish of the family Engraulidae. Most species are found in marine waters, but several will enter brackish water and some in South America are restricted to fresh water. The more than 140 species are placed in 17 genera; they are found in the Atlantic, Indian and Pacific Oceans, and in the Black Sea and the Mediterranean Sea. Anchovies are usually classified as oily fish. Anchovies are small, green fish with blue reflections due to a silver-colored longitudinal stripe that runs from the base of the caudal (tail) fin. They range from in
Hisonotus acuen two colors being divided by a brown stripe that runs from the snout to the caudal peduncle. The fins are transparent with brown dots on the rays. The tail fin is transparent except for a dark spot at the base. Males have a genital papilla, a feature missing in females. Features can vary widely among populations, with the most variation occurring in the body's depth at the dorsal fin and in the snout and abdomen length. "H. acuen" is found in small streams that are part of the Xingu River basin in Matto Grosso, Brazil. Individuals are usually found in