What is the difference between a shark fin and a dolphin fin

Surf instructor Yamada Atsushi was bitten by a small shark and was back on the beach two days after, but the incident caused a bit of a flurry on social media. Previously: 'It's part of our life': Surf instructor back on Tybee beach two days after shark bite.

According to experts, sharks can get right up to the surf zone and it's not uncommon to see a dorsal fin sticking out of the water. Sightings increase during the summer time as our vacation season coincides with their migratory patterns, says Bryan Fluech, of the Marine Extension and Georgia Sea Grant at the University of Georgia.

But whether or not you've actually spotted a shark or a different marine animal can be hard to tell. Here's some tips on knowing if you're in the presence of an actual shark. Sharks are most often confused for dolphins but usually can be told apart by their distinctive dorsal fins, according to Michelle Passerotti, Fish Biologist with the National Oceanic and Atmospheric Administration's Apex Predators Program. This is a seal. Very good to know as I spend so much time in the water and can kayak for miles with dolphin.

But when swimming I can get confused. Would like to know if you think dolphins are aware that their dorsal fins are visible to people when they surface…and do they surface at times just so they can be visible to people.. In other words can they choose when they want to be seen or opt to stay under for long periods of time when they do not want to be noticed?

Deb Great photos…. April 13, 5 Comments. Read More. February 18, 41 Comments. January 18, 5 Comments. If you'd like to sign up to Thurston Photos Newsletter for exclusive offers, inspirations and new images, then enter your email address below! We email about once a month! Menu 0. How to tell what kind of FIN that is!?

February 24, 23 Comments Want more peace of mind in the ocean!? You can actually tell what it is just by this photo if you have a good think about it Here is a few pointers and things to look for to identify fins when you're out in the water. Hope you enjoyed this and learnt something, leave a comment or share if you think a friend could benefit from this : Now go and ENJOY the ocean! Photo: Ken Tatro. So what are the similarities and differences between sharks and dolphins?

The first difference between sharks and dolphins is the type of animal they are — sharks are fish while dolphins are mammals like us. Dolphins, and other mammals, are warm blooded, give birth to live young, nurse their young, are born with hair, and breathe air. Sharks, like other fish, have gills to remove oxygen from the environment, are cold blooded, and have scales.

Friday, November 12, Surf report, free surf forecasts, surf cams and reports Surf report, free surf forecasts, surf cams and 1 — 7 day reports surflook. England U. North West Oregon Washington W. InMeteo surf app What's the deal with all the great white sharks? Dolphin dorsal fin.