This is the biggest fish. Name it | Amazon Quiz Amazon Quiz, 5th June 2021 - This is the biggest fish. Name it. By Mukesh Sharma - June 5, 2021 This is the biggest fish. Name it. (Credit: Amazon Quiz) Amazon Daily Quiz, The options for the question – This is the biggest fish. Name it. Giant Oarfish Whale Shark Ocean sunfish Manta Ray The correct answer is Whale Shark.