Red Hook Silver Dollar

The Red Hook Silver Dollar (Myloplus rubripinnis) is a medium-sized freshwater fish in the Serrasalmidae family of silver dollars. It is also called the Redhook Myleus. 

The Red Hook Silver Dollar is rounded in shape and laterally compressed. It has a grey body with yellow flecks.

Red Hook Silver Dollar

It grows to about 39 centimetres (15 inches) in length.

It is found in the tropical Amazon River Basin and the Orinoco River Basin in South America.

It is omnivorous, eating plants, worms, crabs and small insects.

It swims in schools. It likes to swim in the middle or the upper levels on the river.

The female lays around 2,000 eggs, which fall to the bottom of the river. The eggs hatch in 3 days. The young are called fry. The fry are able to swim freely and eat for themselves a week after hatching.  

The Red Hood Silver Dollar lives, on average, for 10 years.

Red Hook Silver Dollar
Red Hook Silver Dollar
Red Hook Silver Dollar

Location of photographs: Aquarium de Paris-Cinéaqua, France

Photographer: Martina Nicolls


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