General Information of Fairy Shrimp Beavertail
The Beavertail Fairy Shrimp (Thamnocephalus platyurus) is a large and visually striking freshwater crustacean native to the western United States. It is best known for its distinctive paddle-shaped tail, which resembles that of a beaver, as well as its characteristic upside-down swimming behavior. The body is typically translucent to white, often contrasted by a vivid red or orange tail, making this species easy to recognize.
This fairy shrimp inhabits temporary freshwater pools such as rain-filled depressions, seasonal ponds, and vernal pools—environments that dry out periodically. To survive these harsh conditions, T. platyurus produces drought-resistant eggs capable of remaining dormant for long periods until favorable conditions return. Notably, Beavertail Fairy Shrimp eggs can also hatch without the need for a drying period, which makes them easy to culture and allows for continuous breeding under controlled conditions.
Beavertail Fairy Shrimp grow rapidly, reach a relatively large adult size, and begin reproducing within a short time frame, making them especially popular among aquarists and breeders. Due to their fast life cycle, nutritional value, and active swimming behavior, they are widely used as live food for aquarium fish, particularly for encouraging natural hunting instincts and enhancing coloration.
Biology of Fairy Shrimp Beavertail
- Average age: 100 days
- Adult size: length 3-5 centimeters
- Newly-hatched size: length 0.2-0.4 millimeters (200-400 micrometers)
- Reproduce after 12 days of age
- Lay only eggs
Feed Fairy Shrimp Beavertail to Your Fish
Use syringe, dropper, bucket, or aquarium fishnet to transfer Fairy Shrimp to your aquarium. If the population of Fairy Shrimp in the tank is too dense, you can freeze some of them. Live Fairy Shrimp is great food for your tropical fish. We highly recommend it. It is simple to grow if you follow the tips above. Your fish will love eating it.














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