Where Is The Dorsal Fin On A Shark? Dorsal fins (D) have a continuous row of closely spaced cartilaginous blocks running along almost the entire fin base. When looking at a cross section of the base of a lower caudal lobe (LC1), there is typically only a yellow, “spongy” material called ceratotrichia, which is the
Has A Megalodon Been Found? Fossil evidence suggests that megalodons went extinct before about 2.6 million years ago, during a period of cooling and drying in many parts of the world. … So far, no direct evidence of megalodons living in modern times has been found. Did scientists find a megalodon 2020? Researchers in the
Do Sharks Have A Poor Sense Of Smell? Do sharks have a poor sense of smell? SMELL. Up to two thirds of the total weight of a shark’s brain is dedicated to smell. They’re super-sensitive to smells that are important to their survival. Including scents produced by potential predators, prey or a mate. Do sharks