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Jenynsiidae


'Jenynsiidae' can also refer to...

 

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(subclass Actinopterygii, order Atheriniformes)

A small family of freshwater fish, of interest mainly because both males and females have the sex organs directed either to the left or to the right. A ‘left’ male can mate only with a ‘right’ female, and vice versa. There are about three species, none exceeding 12 cm in length, found in southern S. America.

Subjects: Zoology and Animal Sciences.


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