It can be difficult to determine the gender of cherry shrimp, also known as Neocaridina heteropoda, as they are small and have subtle physical differences between males and females. Here are a few tips that may help you determine the gender of your cherry shrimp:
Size: In general, female cherry shrimp are larger than males, with females reaching up to 2.5 cm in length and males being slightly smaller at around 2 cm.
Shape: Female cherry shrimp tend to be more round and plump, while males are slimmer and more streamlined.
Coloration: Male cherry shrimp often have more colorful and vibrant markings, while females tend to be more muted in color.
Reproductive organs: The most reliable way to determine the gender of a cherry shrimp is to look at the shape of their reproductive organs, which are located near the tail. Female cherry shrimp have a triangular shaped organ, while males have a more elongated and cylindrical shaped organ.
It's important to note that these characteristics can vary and are not always reliable indicators of gender, especially in younger shrimp. The best way to be sure is to observe the shrimp over time and look for signs of breeding behavior, such as the laying of eggs by females or the presence of sperm packets on the underside of males.