Paddle Tail

Which fish have a paddle tail?

A paddle tail is a rounded tail on a fish. It is usually vertical (up and down), and it moves side to side.

Eels have paddle tails. Some newts have paddle tails. Knifefish have paddle tails. Lungfish have paddle tails. Aquatic leeches have paddle tails.

Clown Knifefish

Clown Knifefish

 

A paddle tail is used for locomotion. A paddle can push through water using less muscle power, making each stroke very efficient. It enables fish to use a constant, steady movement for a long period of time. Therefore, fish with paddle tails can be fast without using much energy.

Clown Knifefish

Clown Knifefish

fullsizeoutput_234

Australian Lungfish 

 

 

Photographer: Martina Nicolls

Martina Nicolls: SIMILAR BUT DIFFERENT IN THE ANIMAL KINGDOM

Leave a Reply

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