The anatomy of a dogfish shark

A transparent cornea covers and protects the eye. It follows the duodenum and its outer surface is marked by rings. The water contains more oxygen than the blood. In addition, some males bite females to indicate their interest in mating with her, a type of courtship ritual.

The bile duct from the gall bladder enters the duodenum. They are different in males and females. Labeled Viscera Examine the photographs of the shark with its liver moved aside to show its stomach by clicking the blue lettered links in the column to the right.

Order Squaliformes:

This is in stark contrast to many other fish species, which hatch or give birth to hundreds of babies that are not well-developed in the hope that at least a few will survive.

This creates a gradient for absorption of more oxygen into the blood along the secondary lamella. The secretions of the pancreas enter the duodenum by way of the pancreatic duct. Also, when the spiracle opens for inspiration it reduces the pressure within the shark, allowing water to be sucked in without much loss of energy.

Because of the density of water and limited supply of oxygen, respiration requres large amounts of energy. It was cut in an anterior direction slightly to the right of the mid-ventral line.

Humans are warm blooded creatures, while most sharks are cold blooded which requires them to constantly move and use external heat sources to maintain body temperature. It is thus an organ of osmoregulation, regulating the shark's salt balance.

It regulates the passage of partially digested food into the intestines. Best known are the spiny dogfishes family Squalidae and the smooth dogfishes family Triakidae.

It is located at the posterior end of the body cavity. Retrieved November 20,from http: In Europe they are fished for food. The pancreas is located on the duodenum and the lower stomach. White-spotted bamboo sharks are a benthic species that inhabits complex reef habitats and thus have high requirements for maneuverability.Dogfish Anatomy Dogfish Shark Diagram.

By sbastian fangrut On September 23, The Spiny Dogfish have a long spike that is right in front of both the Anterior and Posterior Dorsal fins. This adaptation helps protect the shark from any predators that try to bite them from above.

Function of the rectal gland in the spiny dogfish.

Digestive Anatomy of the Dogfish Shark; Examine the photographs of the spiny dogfish shark with its body cavity slit open by clicking the blue lettered links in the column to the right.

Dogfish Shark Dissection Fun Facts: Make a side view sketch of your dogfish and label it "Side View".

Circulatory and Respiratory System

Measure and record the length of your shark (cm). 2. The shark has a graceful and streamlined body shape. Given this body shape, what would The Internal Anatomy: The PowerPoint PPT presentation: "Dogfish Shark (Squalus acanthius) Dissection: Anatomy and Physiology" is the property of its rightful owner.

Do you have PowerPoint slides to share? If so, share your PPT presentation slides online with joeshammas.com External Anatomy of the Dogfish Shark; Examine the side view photographs of the spiny dogfish shark by clicking the blue lettered links in the column to the right. The shark has a graceful and streamlined body shape built for fast, long distance swimming.

Dogfish Shark Internal Anatomy

The body is divided into the head, trunk, and tail.

Download
The anatomy of a dogfish shark
Rated 3/5 based on 37 review