Spiny Dogfish Project

Phillip E. Rue

Labeling of the Shark

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Organs in a Spiny Dogfish

Gallbladder - Stores Bile from the liver

Heart - Pumps blood throughout the shark

Kidney - Filters the sharks blood

Liver - Filters the food that the shark eats from toxins

Pancreas - Produces Hormones and Digestive enzymes for the shark

Small intestine - Takes most of the nutrients from the chyme

Large intestine - Takes the remaining nutriens and water left by the small intestine

Stomach - Breaks down food into chyme using only chemical digestion

Esophagus - the tube that connects the mouth to the stomach

Rectum - end of the Large intesine where waste comes out

Claspers - The male sex organ that clasps onto the female to deliver sperm

Lateral line - the line going across the sharks body that sends electrical waves to detect movement around them

Gills - instead of lungs sharks have gills to take the oxygen out of the water and use it in their body

Classification

Kingdom - Animalia

Phylum - Chordata

Class - Chondrichthyes

Order - Squaliformes

Family - Squalidae

Genus - Squalus

Species - Squalus Acanthias or Spiny Dogfish

Lifespan of the Spiny Dogfish

The Spiny Dogfish Shark's Lifespan is around 30 to 100 years

Where do Spiny Dogfish Sharks live?

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Spiny Dogfish Shark Numbers

The Spiny Dogfish Shark is close to being endangered due to Shark Fin fishing in the Asia-Europe area