Spiny Dogfish Shark
6.first dorsal fin
8.second dorsal fin
Gallbladder-the small sac-shaped organ beneath the liver, in which bile is stored after secretion by the liver
Heart- the organ that keeps the organism and the other organs running and alive
Kidney- the organ that excretes urine
Liver -a large lobed glandular organ in the abdomen of vertebrates .
Pancreas- a large gland behind the stomach that secretes digestive enzymes into the duodenum.
Small intestine-the part of the intestine that runs between the stomach and the large intestine
Large intestine-the cecum, colon, and rectum collectively
Stomach- where your food is first beginning to break down
Esophagus-the part of the alimentary canal that connects the throat to the stomach
Rectum- the final section of the large intestine or the part before the anus
Claspers-a pair of appendages under the abdomen of a male shark or ray
Lateral line-a visible line along the side of a fish consisting of a series of sense organs that detect pressure and vibration.
Gills-the paired respiratory organ of fishes and some amphibians
life span- 30-100 years of age
habitat-Found in cold and warm temperate oceans at temperatures between 0 and 15 °C. The spiny dogfish may also be found in a variety of habitats (e.g. estuaries), as it can tolerate a wide range of salinities and may be located in inshore and offshore continental shelf areas, commonly at depths of 10 to 200 metres, and in the water column from the surface to depths of 730 metres. On the Scotian Shelf, this shark has most often been caught in water temperatures between 6 and 11 °C.