This ancient fish was bigger than a whale shark – and faster than scientists ever imagined

Science

Image: Maurilio Oliveira

Scientists have long struggled to explain why bony fishes are so small: The heaviest—the ocean sunfish—is just 2.3 metric tons, but cartilaginous fishes like whale sharks can weigh up to 34 metric tons. Now, a new study of an ancient giant suggests this modern difference is merely an evolutionary accident. Read more on the Science website…