Shark Week: Day 5

aug8

Bull sharks are unusual among sharks as they have developed special adaptations that help them keep salt in their bodies even when they are in freshwater.  Bull sharks have been found swimming in the Mississippi River as far north as Illinois as well as upstream in many other rivers around the world including the Amazon in South America.

Source: www.nationalgeographic.com

Advertisements

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 )

Twitter picture

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

Facebook photo

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

Google+ photo

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

Connecting to %s

%d bloggers like this: