What is the anatomy of a shark?
Most sharks have eight fins: a pair of pectoral fins, a pair of pelvic fins, two dorsal fins, an anal fin, and a caudal fin. Pectoral fins are stiff, which enables downward movement, lift and guidance. The members of the order Hexanchiformes have only a single dorsal fin.
What are the parts of a shark called?
Body Parts of a Shark
- Dorsal Fin. The dorsal fin is the infamous protruding cartilage that sits atop the shark’s smooth surface.
- Gill Openings. These slit like openings fall along the sides of the sharks powerful jaws.
- Eyes.
- Spiracle.
- Mouth.
- Snout.
- Pectoral Fins.
- Pelvic Fins.
What do the parts of a shark do?
The sharks fins are used for stabilizing, steering, lift and propulsion (thrust). Each of the fins are used in a different manner. Pelvic fins are found between the Pectoral and Anal fins and are also stabilizers. In males they have a secondary function as they are modified into copulatory organs called claspers.
What’s the top part of a shark called?
dorsal
The dorsal (top) side of a shark is a lighter color than the ventral (bottom) side.
Where are shark reproductive organs?
Unlike bony fish, who shed eggs and sperm into the water column, sharks have developed internal fertilization as a mode of reproduction. The male’s sexual organ, called a “clasper” is located on the pelvic fin. Females have oviducts, a tube leading to the womb, this opening is referred to as a “cloaca”.
What are the features of shark?
There are seven anatomic characteristics of sharks:
- Cartilage Skeleton.
- Skin covered with dermal denticles.
- Powerful Jaws.
- Efficient Liver.
- Anatomic Tail.
- Dynamic Fins.
- Highly Developed Senses.
What is the tail of a shark called?
caudal fins
Shark tail fins, also called the caudal fins, are unique among all fishes.
Where does shark poop come out?
The air then comes into their body and is emitted through their cloaca. A cloaca is an opening that serves as a urinary, digestive, and reproductive tract. In sharks, the opening is located on the ventral surface between the pelvis fins.
Do sharks fart?
We’ve all seen tiger sharks in aquariums just hanging there, unlike most sharks which would sink, well this is their secret! They let air out in the form of a fart when they want to lose buoyancy.