Understanding How To Tell The Gender Of An Amano Shrimp

Freshwater Prawns and Shirmp
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Understanding How to Tell the Gender of an Amano Shrimp

Amano shrimp are a freshwater species of invertebrate that are widely used in aquariums and ponds around the world. They are a popular choice for aquariums due to their small size, hardiness, and ability to consume many types of algae. However, one of the most common questions aquarists ask is how to tell the gender of an Amano shrimp. Fortunately, it's not as difficult as it may seem.

Spotting the Differences Between Male and Female Amano Shrimp

The most reliable way to determine the gender of an Amano shrimp is to look closely at its physical features. The male and female of this species have some distinct differences. Males tend to have longer antennae and a more slender body shape. They also have a longer and more pointed tail. On the other hand, females have a rounder body shape and shorter antennae. They also have a shorter and more rounded tail.

Looking for External Sex Organs

In addition to the physical differences between males and females, there are also external sex organs that can be used to identify the gender of an Amano shrimp. Male shrimp have a pair of modified pleopods, or swimmerets, on the underside of their abdomen. These are used for transferring sperm to the female during mating. Females also have modified pleopods but they are smaller and less visible than those of the male. In addition, females have a brood pouch on the underside of their abdomen which is used for carrying eggs.

Looking for a Shell Color Change

Another method that can be used to determine the gender of an Amano shrimp is to look for a color change in its shell. Male Amano shrimp tend to have a brighter, more vibrant coloration than females. Females, on the other hand, tend to have a more muted coloration. This color change can be seen even in young shrimp, so it can be a reliable way to identify the gender of a shrimp.


Identifying the gender of an Amano shrimp can be done by looking at its physical features, external sex organs, and shell coloration. By understanding the differences between the sexes of this species, aquarists can better understand and care for their shrimp. With the right knowledge and care, Amano shrimp can be a great addition to any aquarium or pond.

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