The Great White Sharks along with a few other marine organisms such as stingrays, chimaera and skates are unique as their skeletons are made of cartilage rather than bone. Majority of Great Whites can measure up to a whopping 15 feet (4.6 metres) with an average weight of 1,500-2,450 pounds. Females tend to grow larger than males and some specimens have been recorded exceeding 20 feet (6 metres) and weighing up to 5000 pounds. The Great White has a slate, grey upper body which aids them when trying to blend in with rocky coastal sea floor and their name derives from their white underbellies. Their powerful tails can propel them through the water at speeds of 24km/h due to their extremely streamlined, torpedo shaped bodies.…
Did you know that angel fish are less than one inch wide and goblin sharks can grow to 12 feet long? There are many differnt ways to identify these fish First, you can identify goblin sharks for many different reasons. One way is that they have soft and flabby bodies. They also have a pinkish color with blue fins. Goblin sharks live at the bottom of the ocean.…
Hammerhead shark’s physical features are not like other sharks. These animals have wide head that can grow up to 3 feet long. They can grow up to 20 feet and weigh from 500 to 1,000 pounds. Hammerhead’s are usually grey with a green tint to them with a…
My Intertidal Hero, Hemiscyllium ocellatum - The Epaullet Shark. This extraordinary creature, unlike any other inhabits the shallow tidal reefs or North-Western Australia and New Guinea. {1} It is in my eyes a creature like no other, able to withstand cyclic periods of extreme hypoxia{2} and has developed the ability to walk on land from one tide pool to the next.{3} I believe that this particular Teleost shows adaptive evolution right before our eyes.…
The characteristics of a Mako shark are blue or violet dorsal fin, but there are many more. The dorsal fin is either blue, violet or deep purple. The teeth are so sharp, when they close their mouth you can still see the teeth. The fins on a Mako shark are very small. The Mako sharks cousin is the Great White Shark.…
To start with the hammerhead shark has incredible eyesight. " Their wide-set eyes give them a better visual range than most other sharks. And by spreading their highly specialized sensory organs over their wide, mallet - shaped head, they can more thoroughly scan the ocean for food" provides National Geography. This helps the shark because, it makes it easer to find food.…
The Bull shark uses a technique that is unique to its species. It is called the bump and bite technique. The shark uses its body weight to bump its prey. If the bump is hard enough it can even kill it, if it doesn’t kill them it disorientates them severely. Because the prey is disorientated the the shark has an advantage and before its prey can recover the bull shark is eating it…
Homeostasis is the action of maintaining a healthy internal environment. One example of homeostasis that we did in class is when we walked in place, causing our heart rate and breathing rate to increase while exercising to maintain a constant supply of oxygen. Another example from our reading is that sweating helps to maintain homeostasis by removing excess salt and opening pores to cool you down. It is important for organisms to maintain homeostasis because it assists the cells in the body to function and live.…
Commercial shark-finning is a practice where sharks are caught and their fins are cut off, then the body of the shark is discarded. Defining a hammer head happens to about 100 million or more sharks around the world per year. Bycatch in commercial…
The Great white sharks known as the Carcharodon carcharias, is one of the most known species of shark. Great white sharks are ferocious predators of shark that have been roaming the ocean for about 400 million years. They have earned the nickname of kings of the ocean. The Great White has adapted through changes in its’ structure, organ systems, environment, and the animals it eats; no wonder why Great White Sharks outlasted the dinosaurs and still are around today. The Great White Shark is a streamlined swimmer and is very strong.…
A distinguishing characteristic of grey nurse sharks is that the anal fin and both dorsal fins are the same size. The tail is heterocercal, with a long, upper lobe and a shorter, lower lobe. These different lobes allow for great movement. The mouth bears razor like teeth and is long and slender, with pointed snout. Their elongated teeth are visible even when the mouth is closed, giving these sharks a menacing appearance.…
To produce babies , sharks have to find a mate, or partner of the opposite sex. Female sharks attract the attention of males by releasing perfumed chemicals into the water. If a male shark is interested, it may chase after the female and bite it. A baby sharks starts to form when a sperm cell from a male shark joins together with an egg inside a female shark. Before this can happen, a male shark has to push sperm into a female’s body using a part of its body called a clasper.…
WHERE DOES BLACKTIP REEF SHARK LIVE? Blacktip reef shark (Carcharhinus melanopterus) DESCRIPTION The blacktip reef shark not the same as blacktip shark (Carcharhinus limbatus), though they possess similar attributes but also different species of shark. The blacktip reef shark is famous for the black tips on its fin which also makes it to be easily identified, also known as black wing shark.…
According to the International Union for Conservation of Nature (IUCN), at least one-third of open ocean sharks are threatened with extinction. Shark populations are in a great amount of danger thanks largely to human activities that are killing them off at incredibly alarming rates. “Sharks are long-lived, mature late, and produce few young, making them especially vulnerable to exploitation.” The biggest threat to sharks currently is overfishing and over-consumption of meat, fins, and cartilage. Additionally, they are in danger of by-catch, (the unintentional capture of a non-target species) on the part of commercial fisheries, specifically those that target tuna and billfish.…
The great white shark: the king of ocean, the evil ruler, destroying everything in it’s path. From the looks of them, it would be understandable to make this assumption. But let’s clear the air for our good friend, the great white. In fact, over 80% percent of shark attacks had survivors. I mean, they lost a limb maybe, but they survived!…