Noun heterocercal fin has 1 sense

1. heterocercal fin - tail fin with unequal lobes in which the vertebral column turns upward into the larger lobe as in sharks
   --₁ is a kind of tail fin, caudal fin
   Antonyms: homocercal fin
   

Heterocercal Fin

A heterocercal fin refers to a type of tail fin found in certain species of fish, characterized by an asymmetrical shape where the upper lobe is larger and longer than the lower lobe. This unique structure allows for better locomotion and buoyancy control.

In sharks and rays, the heterocercal fin helps in achieving improved stability and maneuverability while swimming, while also providing lift. It is a distinguishing feature of these creatures that sets them apart from other fish species.

Sample Sentences:

• The heterocercal fin of a shark enables it to smoothly navigate through the water.
• We studied the anatomy of a stingray and focused on its heterocercal fin.
• The asymmetrical shape of the heterocercal fin allows the shark to swiftly change direction.

Related Products:

• Books about Shark Anatomy
• Marine Biology Encyclopedias
• Fish Anatomy Models