On some poorly researched trivia lists it is stated as a fact that a pregnant goldfish is called a twit. This is not true as goldfish lay eggs.
71
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
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Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
Meysi is one of the world's smallest dogs, measuring in at just 7cm tall, 12cm long, and weighing a meagre 250 grams (only slightly heavier than a hamster!)
11
The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
21
When cats are happy, they may squeeze their eyes shut.
10
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8