of the specimens and other important features are taken for identification purposes by using white slate board as the background. 3. Ruler is used as a scale. 4. A shark is dissected by the demonstrator. The external and internal features are identified. A summary on the digestive and the reproductive system of a shark is written. 5. The steps how to observe the internal anatomy of a stingray is told briefly by the
Premium Digestion Shark Stomach
Dogfish Shark Dissection Lab Dogfish Shark Dissection Lab By: Vanessa Osorio Period 1 Objective: To study the anatomy of a dogfish shark Materials: * Preserved Shark * Surgical Scissors * Scalpel * Newspaper * Gloves * Goggles * Apron Procedure: 1. Lay newspapers all over lab table to keep mess to a minimum. 2. Lay the preserved shark on the newspapers. 3. Identify external parts and features. Examples: lateral line‚ snout‚ dorsal fin‚ gills‚ etc.
Premium Organ Heart Shark
Who is involved in shark finning‚ and where? Finning occurs worldwide and is most common in high seas fisheries‚ hundreds of miles out to sea. Oceanic fishing fleets target valuable fish such as tuna‚ using thousands of baited hooks on miles of long-line‚ and freezing their catch onboard. Unfortunately‚ long-liners often catch several times as many sharks than they do tuna. Until relatively recently‚ this shark ’bycatch’ was considered a nuisance‚ and sharks were cut loose and allowed to swim away
Premium Shark Overfishing Fish
The Spiny Dogfish Shark Lab Report. BY: Jeremy Cotto Purpose We did this lab to further our understanding of Spiny dogfish shark anatomy and make the class more entertaining. People dissect organisms to find reasons for how they are able to do certain things. For example‚ the shark can chew through a great variation of things‚ because it has razor sharp teeth. I attempted to see what organ was connected to what and learn how squid differ from the human organ structure. I ’ve learned that the structure
Premium Shark
Hammerhead Sharks Marine Science/ Per. 1 Sharks are one of the most feared sea animals. They live in oceans across the world but are most common in tropical waters. There are over three hundred fifty species of sharks. They can be broadly categorized into the following four groups: Squalomorphii‚ Squatinomorphii‚ Batoidea‚ and Galeomorphii. The shark family Sphyrnidae that includes the Hammerheads are part of the Galeomorphic classification. They are probably the most easily recognizable
Premium Shark
Great white sharks are known as the most dangerous of the shark species because of their sheer size and their quick mind that make them the ultimate predator. A comparison can be seen in Figure 1‚ where the great white shark is seen next to a human‚ this image is showing the sizing difference between the two species. The shark is so captivating that there is an entire week each year dedicated to these creatures to learn more about them and the world they live‚ in an area that is vastly undiscovered
Premium Shark
Immobility in Sharks Sharks are a misunderstood but fascinating species of fish that are not well liked but are a necessary component to maintaining a complete ecosystem. Many things are known about sharks but so much more is not. Sharks are difficult to study since many species cannot survive in captivity; particularly the larger species‚ such as bull sharks and tiger sharks. These sharks have to be studied in their habitat. As one can imagine‚ attempting to study sharks in the ocean
Free Shark
Sharks and Australian Fisheries The Fishing industry is the 5th largest food producing industry in Australia. Annually it puts $2.2 billion dollars into our economy each year (afma.gov‚ 2013). Australians consume approximately 16kg of fish and seafood per person per year. This amounts to a lot of fish needed to sustain such a demanding population. Therefore the most important issue for fisheries in Australia is to ensure the ecological sustainability of fish stocks in the long term so that ecosystems
Premium Shark Overfishing Fish
great white shark veraciously attacks him. This is what comes to mind when most people think of sharks‚ but they are not really just man-eating monsters of the sea. Sharks are a fascinating group of fishes that strike fear into the minds of humans‚ but they are nothing to be afraid of. There are over 475 different species of sharks‚ but only a few of these are considered to be dangerous to people. These include Great White Sharks‚ Tiger Sharks‚ and Bull Sharks. Most species of sharks do not even
Premium Shark Ocean Great white shark
Sharks by : Maritza Martinez Most people are afraid of sharks and don’t want anything to do with them but there are people that actually know things about sharks and don’t fear them. Sharks much like people come in all different shapes and sizes and can and do live mainly everywhere. What people don’t know is that sharks are much like people they take care of their young by protecting them‚ feeding them‚ teaching them to hunt. They are thought of as
Premium Human Fish Mammal