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  • Jaejeong & Jaeah Kim

Dogfish Shark Dissection || Sink or Swim

How do sharks work? Learn how to dissect a dogfish shark in this video, which also covers its external and internal anatomy and physiology. In this simple dissection of a shark, you’ll learn various parts of the cartilaginous fish anatomy, why shark skin feels like sandpaper, and why sharks need to swim continuously.

Sharks, despite their reputation, don’t pose much of a threat to humans, and there’s a lot to learn from their anatomy. They are part of a group called cartilaginous fish, and their body plan and anatomy are fascinating in that it evolved hundreds of millions of years ago without much change. In this video, you’ll learn general information about sharks, which will be tied into its anatomical structures.

This dissection lab is for anyone who is curious about shark anatomy, wants to cover shark anatomy for a zoology course, missed the shark dissection during biology class, or just wants to have a fun time. The video will teach you how to dissect a dogfish shark step by step, and review the external and internal anatomy of the dogfish shark.

In this video, we’ll cover the following structures:

Jaw Pancreas

Eyes Spleen

Nostrils Mesentery tissue

Ampullae of Lorenzini Rectal gland

Lateral line Esophagus

Gill slits Papillae

Pectoral fins Rugae

Pelvic fins Gonads (testes)

Dorsal fins Kidney

Tail Seminal vesicle

Cloaca Gills

Skin Heart

Liver Atrium

Stomach (cardiac and pyloric) Ventricle

Pyloric valve Sinus venosus

Intestine Conus arteriosis

If you want to learn more about dogfish shark anatomy, here’s a link to a website with more detailed information, as well as diagrams:

If you have any questions regarding dogfish shark anatomy, dissection methodology, or general biology, feel free to leave a comment. We'll try our best to reply.


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