Tadpole Shrimp Care Guide
Triops cancriformis
- Max Size
- 7.0 cm / 2.8"
- Temperature
- 20–26°C (68–78°F)
- pH Range
- 6.5 – 8.0
- Min Tank Size
- 5L (1 gal)
- Min Group Size
- Can be kept alone
- Tank Level
- Bottom
- Origin
- Worldwide
- Temperament
- Semi-Aggressive
- Difficulty
- Moderate
- Breeding Difficulty
- Moderate
Diet
Omnivorous; eats detritus, algae, chopped carrots and small live foods.
Community Compatibility
Can be kept in community tanks with larger fish that do not see them as food.
Good to Know
Tadpole Shrimp are considered living fossils, with a lineage dating back over 200 million years.
Gender Differences
Females tend to be larger and more robust.
About the Tadpole Shrimp
Triops cancriformis, commonly known as the Tadpole Shrimp, is a remarkable creature that has earned the title of a "living fossil" due to its unchanged appearance over 200 million years. With a broad, shield-like carapace that covers the front part of its body, Triops cancriformis has a prehistoric look that matches its ancient lineage. Its body, typically light brown to olive green, ends with a segmented tail featuring two filamentous cerci, allowing it to blend seamlessly into its muddy or sandy environment. This species thrives in temporary freshwater habitats like pools, ponds, and ditches that dry up seasonally, a factor that naturally controls the presence of predators.
The life cycle of Triops cancriformis is notably rapid, completing within just a few weeks, allowing it to make the most of ephemeral water bodies. They hatch from cyst-like eggs that are incredibly resilient, capable of surviving dry conditions for several years until water reappears. Once hatched, Triops grow quickly, reaching maturity in a matter of weeks. They are omnivorous, feeding on a diet that includes detritus, algae, microscopic organisms, and occasionally small live or dead animals. Their feeding method involves both filtering for microorganisms and grasping larger food pieces with specialized mouthparts.
In captivity, Triops can be maintained in straightforward setups that mimic their natural conditions. Non-chlorinated water, a sandy or muddy substrate to replicate their native pools, and a diet of fish food, algae, or specialized shrimp food are sufficient to support their growth and reproduction. Triops are often kept by hobbyists and educational institutions fascinated by their biology and rapid development cycle. Breeding Triops is relatively simple, provided their environmental and dietary needs are met, making them an interesting study subject for observing evolutionary biology in action.
Stock Tadpole Shrimp in Your Tank
Use our free stocking calculator to see if Tadpole Shrimp fits your aquarium