Bull Sharks are among the most aggressive and dangerous sharks in the ocean. Related to the more common Great White Shark, the bull shark is among the more common shark to attack humans. The bull shark gets its name from its short snout and its tendency to head-butt its prey. They are average size sharks with thick body frames. They have a grayish color and dark tipped fins. They can be found in the shallow warm oceans. With their speed and strong bodies, the Bull Shark will eat almost anything it sees including fish and other sharks.  (1)

Bull Sharks on average get to around 530 cm long and upon birth can be up to 81 cm. They usually don't react to divers unless spear fishing. They do their hunting in both freshwater and saltwater thus making it a crucial factor it the lives of other marine life. 

Despite the name, the Black Rhino actually has a grayish color. The Black Rhino is one of the largest Rhinos of the Rhinoceros species. Its horns are known to reach 1 and a half meters in size, which are used to break branches and trees to satisfy its herbivore dietary habits. They are often hunted for their horns which are used for medicines. Relatively their eyesight is poor, so usually it relies on its sense of hearing and smell to know what is going on around them. They are a common prey of large wildcats such as lions. Humans, However are a greater threat to their survival often hunted for their horns. There are only a handful of them left in the wild. (3)

The Alouatta Caraya or more commonly known as the Howler Monkey lives in the treetops of the tropics of South America. It usually will stay in the trees however will come down in dry situations to find water. On average they weigh about 25 pounds. Only the male Howler Monkey is actually black, while the female monkey is blonde. They feast on leaves, fruits, and flowers to accommodate their herbivore dietary habits. They live in social groups, for example a group of females will assist in the care of a baby monkey. Pregnancy last about six months and they live about 20 years. (4)

For Howler Monkeys energy is a crucial part in their lives. Only 10% of their day is spent moving around, while 25% of it is spent eating. The rest of their day is spent lounging around in trees. (5)

The Deep Sea Angler Fish is a large intimidating fish found at the bottom of the sea. It uses a piece of its dorsal spine to act like a fishing rod to lure in fish into its large crescent shaped mouth. Its huge translucent teeth claw at its prey, tearing it to pieces, thus making it arguably the most ugly creature in the deep sea. With more than 200 species it lives in the murky deep of the Atlantic Ocean. They live about a mile or so deep in the ocean. They grow to be about 3 feet long however some can be significantly smaller. Their mouths are so big they can swallow a fish twice the size of their own body. (6)

Male angler fish are smaller in size and during their life time their digestive system gets weaker and weaker thus making it impossible for it to feed for himself. Therefore, in order to survive it combines with a female fish in order to get food and live. (7) 

The porcupine is a small yet defensive species. With over two dozen types of porcupines, it usually grows to about a foot long. It is also known as the Quill Pig, and its no easy meal for predators. Porcupines have long soft hair and a tail that is filled with sharp quills. Their quills lie flat until it feels threatened, then they spring out and are easily detach among contact. The quills are barbed and are not easily removed. They spend most of their time climbing trees and eating leaves and plants. The largest porcupine contains close to 30,000 quills and they have small teeth used to dig into wood.(8)