Dogfish Shark External Anatomy

This line is actually a group of small pores which open into the underlying lateral line canal a sensory organ that detects water movements. External anatomy of the dogfish shark.

Fish Lab Name

They are located caudally from the mouth.

Dogfish shark external anatomy. Phylum chordata subphylum vertebrata class chondrichthyes. Located caudal side of the pectoral fin pleuroperitoneal cavity holds all the organs in the abdonimal cavity. The spiny dogfish has a double dorsal fin.

The spines carry a poison secreted by glands at their base. The spiny dogfish has the presence two spines one immediately in front of each dorsal fin. The anterior dorsal fin is larger than the posterior dorsal fin.

Digestive anatomy of the dogfish shark a smooth shiny membrane called peritoneum can be seen lining the inside of the body wall. 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. 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 body is divided into the head trunk and tail. Best dogfish shark dissection. All members of the lab group should touch the shark.

Such as liver gallbladder stomach pancreas etc. Lateral line a pale line that extends noticeably from the pectoral fin past the pelvic fin. Pick it up squeeze it feel it.

External anatomy of the dogfish shark. Learn vocabulary terms and more with flashcards games and other study tools. External and internal anatomy of a dogfish shark a cartilaginous fish.

High high school and college sdpb. Most sharks have five external gill slits located on thire sides behind the mouth and in front of the pectoral fins. Water taken in by the mouth and spiracles is passed over the internal gills and forced out by way of the gill slits.

Start studying external anatomy of spiny dogfish shark. Shark dissection instructions part 1. A third lobe much shorter lobe contains the green gall bladder along its right edge.

Part i external jr. External anatomy the shark has a graceful and streamlined body shape built for fast long distance swimming. Dogfish shark external anatomy.

List of the 5 fins of the dogfish shark 2 dorsal pectoral pelvic caudal the depressor of the pectoral fin allows the pectoral fins to lower. The liver largest organ 3 lobes two main lobes the right and left lobes extend from the length of the cavity.

Ppt Dogfish Shark Squalus Acanthius Dissection