Common Trivia, or not? by GelinasT

Question 3

Oh yes, here's one of my favorites, 'What is the largest fish in the ocean?' The trick here is to understand that a whale shark is a fish, and not a whale! Strangely, a question that never gets asked, which of these has long been considered the world's smallest fish?

Schindleria brevipinguis; yes smaller than the Paedocypris Pogenetic and the Obiter Dictum