Firefly
$9.99
A beetle that produces bioluminescent light, lighting up summer nights
Estimated value as of 2026 · Source: https://fishandfinnoutfitters.com/products/firefly-your-glowing-pocket-beetle-aq…
Fun Fact
Fireflies produce cold light through bioluminescence, with efficiency converting 100% of energy into light—nearly 100 times brighter than a human-made LED.
Price History
$9.99(2026)
More in Animals
$31.4M
Hippopotamus
A large semiaquatic mammal that is one of Africa's most dangerous animals
$4.0M
Chimpanzee
Our closest living relative, known for tool use and complex social behavior
$1.0M
Giant Panda
An iconic bear native to central China that feeds almost entirely on bamboo
$400,000
Polar Bear
The largest land carnivore, perfectly adapted to Arctic life