Parrotfish are both genderfluid and come in rainbow colors. The crystalline structure of parrotfish teeth is so sturdy it would beat gold, copper and silver in a fracture test according to the Great Barrier Reef Foundation.

Formosa Fauna is back this week to entertainingly educate you about animals both in Taiwan and abroad! Spend the next 20 minutes listening to this episode and feeding your noggin with fun facts about the animal kingdom so you can become smarter than all of your friends.

In this episode we talk about:
 - Taiwan cuts back on animal testing but struggles to meet international standards
 - Gender-fluid fish: parrotfish
 - British zoologist Charles Elton
 - Rethinking the food chain
 - How to get a dog to stop play biting

Want to share your own story and have it read on air? Send your story (photos welcome) to tristan@rti.org.tw!

See you every week for Formosa Fauna Fridays!