Five big shark species, video


This video says about itself:

17 July 2018

You’re probably familiar with the great white shark, but how much do you know about these other big sharks: blacktip, tiger, sand tiger, Galapagos, and whale? Those are just five of roughly 500 shark species found in our oceans. And they’re doing their part to keep the oceans healthy by keeping fish populations in check.

Band pairs in shark vertebrae have been used for decades to estimate shark age, of practical use in conserving overfished sharks and managing the remaining shark fisheries. However, recent research demonstrates that previous methods used to determine the age of sharks have underestimated those ages, particularly in older sharks: here.

1 thought on “Five big shark species, video

  1. Pingback: Five big shark species, video — Dear Kitty. | huggers.ca

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s

This site uses Akismet to reduce spam. Learn how your comment data is processed.