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.