External Shark Anatomy

The shark anatomy allows them to see in dim light they can detect the contrasts of light and shadow and their pupils can dilate and contract. External shark anatomy lets have a closer look at what makes shark anatomy so amazing.

Shark External Anatomy Diagram Quizlet

Labial groove and pouch found skinplacoid scalesdermal denticles scales embedded in the skin provides shark with rough texture nares consist of two openings.

External shark anatomy. Each dorsal fin includes a large spine preceding it that serves as a defensive structure. Sharks have no external ear flaps but have two small pores on the top of their heads that connect to inner ear ducts. The inner ears of sharks consist of three fluid filled semicircular canals and three otolith ear bone organs.

Two fins located on the dorsal side of the dogfish cranial and caudal. Located between the mouth and pectoral fins there are five on each side. Water exits through external gill slits.

They have a tail and the wings to help balance everything and to give it speed and while there is no evidence that the dynamic design of airplanes came from the shark anatomy it does make sense. The diagram above does not represent any one species of shark but rather is a compilation of the features posessed by many different species. Nostrils and sense of smell the nostrils of a shark are and external part of the shark anatomy and on the ventral side of their bodies.

The external anatomy of a shark the external anatomy of sharks varies considerably between the approximately 370 known species. The anterior dorsal fin is larger than the posterior dorsal fin. The line is made up of a series of tiny pores that lead to receptors that are sensitive to the mechanical movement of water and sudden changes of pressure.

These organs have tiny hairs that bend when an an imal moves near the shark. Caudal keel the caudal keel is present in some species of shark and helps to strengthen the caudal peduncle or tail base as well as streamlining the shark for easier movement through the water. The spiny dogfish has a double dorsal fin.

The anatomy of a shark resembles the design of an airplane. External anatomy of the dogfish shark. We think this is the most useful anatomy picture that you need.

Scales embedded in the skin provides shark with rough texture consist of two openings incurrent and excurrent separated by ram jet ventilation and feeding.

The Pelagic Shark Research Foundation Biology