Spiny Dogfish Shark
Allie Snider
Labeling
Organs and Their Functions
- Gallbladder - stores things and helps with floatation
- Heart - the shark's heart has two halves - atrium and ventricles
- Kidney - transports urine
- Liver - largest organ within the body - stores energy
- Pancreas - has two parts - ventral and dorsal - long and thin
- Small Intestine - has spiral valve - makes more use of the food it eats
- Large Intestine - absorbs water
- Stomach - a J-shaped organ that helps with digestion
- Esophagus - connects the mouth to the stomach
- Rectum - stores the solid waste
- Claspers - males only - transfers sperm during mating
- Lateral Line - detects water movement
- Gills - absorbs oxygen from the water - breathing
Classification (KPCOFGS)
- Kingdom - Animalia
- Phylum - Chordata
- Class - Chondrichthyes
- Order - Squaliformes
- Family - Squalidae
- Genus - Squalus
- Species - Acanthias
Life Span
The spiny dogfish shark's life span goes from 25-100 years.