There are two types of dorsal fins: Ordinary: Softer, firm, and flexible. Fin Spines: Sharp, rigid, and feels like bony tissue. The species of fish with fin spines have an evolutionary advantage. If a predator were to choose between snacking on a fish with softer dorsal fins versus fin spines, they would choose the path of least resistance. So why…
Wait, sunscreen isn’t safe for the ocean? In the process of protecting our skin we can damage coral reefs. Fast Facts: Chemicals in most sunscreens are toxic to coral. 25% of the sunscreen we put on is washed off 20 minutes after we go in the water. Many sunscreens that say “reef safe” might not be because sunscreen is unregulated.…