Spiny Dogfish Shark Digital Poster
- Claspers - protection that assists in sperm transfer during mating and is only in males
- Lateral Line - a lining beginning at the pectoral fins and ending at the pelvic fins. It also detects water movement.
- Stomach - J-shaped organ that functions in digestion.
- Rectum - functions in the storage of solid waste
- Pancreas - Has two parts, the ventral and the dorsal.
- Heart - Has two halves, the atrium and the ventricles
- Esophagus - connects the mouth to the stomach
- Liver - Largest organ within the body cavity. It has two main lobes, the left and the right lobes, which cover most of the cavity.
- Large Intestine - Located in the posterior end of the body cavity.
- Gall Bladder - Green in color and stores bile.
- Small Intestine - makes up most of the intestine and is under the duodenum. Helps digest food faster and easier.
- Gills - Moves blood inside the body
- Kidney - The posterior portion transports urine . The kidneys are flat and ribbon-like organs lying on either side of the body cavity.
- Estimates of the dogfish's lifespan range from 25-100 years
- Kingdom - Animalia
- Phylum - Chordata
- Class - Chondrichthyes
- Order - Squaliformes
- Family - Squalidae
- Genus - Squalus
- Species - Acanthias
Where they are found
- They are found in worldwide temperate and subarctic waters of North Atlantic and North Pacific oceans. These sharks have even been found in the Black Sea and Mediterranean Sea.
- First Dorsal Fin
- Second Dorsal Fin
- Caudal Fin
- Pelvic Fin
- Gill Slits
- Pectoral Fin
- Lateral Line