Shark External Anatomy

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

External Anatomy Of The Shark

The body is divided into the head trunk and tail.

Shark external anatomy. The shark has a graceful and streamlined body shape built for fast long distance swimming. 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. Water is taken in through the smaller opening and expelled through the larger opening.

The anterior dorsal fin is larger than the posterior dorsal fin. External anatomy of the dogfish shark. 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.

The spines carry a poison secreted by glands at their base. This allows a shark to breath even when its mouth is closed or when it is feeding. The anatomy of a shark resembles the design of an airplane.

Labial groove and pouch found skinplacoid scalesdermal denticles scales embedded in the skin provides shark with rough texture nares consist of two openings. These large openings are behind the eyes and are actually reduced first gill slits in the jawed fish. External anatomy of the dogfish shark.

Choose from 500 different sets of shark external anatomy flashcards on quizlet. View from the side. The spiny dogfish has a double dorsal fin.

A pale line that extends the length of the shark. A pair of openings at the front of the head that function to detect chemicals in the environment. 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 spiracle serves as an incurrent water passageway leading to the mouth. The external anatomy of a shark the external anatomy of sharks varies considerably between the approximately 370 known species. The sharks body is dark gray above and almost white below.

We think this is the most useful anatomy picture that you need. The diagram above does not represent any one species of shark but rather is a compilation of the features posessed by many different species. The spiny dogfish has the presence two spines one immediately in front of each dorsal fin.

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