Shark Observation (Pt.5)

The Chillin Lemon Shark sits on the sand and rests. They eat bony fish and crustaceans. They are 10.5 feet long and live 11–12 years. They weigh 220 pounds. The Dog Shark eats small fish, crab, shrimp, and squid. They weigh 8 pounds. They are 2 ½ to 3 ½ feet long. They live up to 40 years. The Caribbean Reef Shark lives 14+ years. They weigh 150 pounds. They are 8–9 feet long. They eat lobster, squid, octopuses, shrimp, and reef fishes. The Goblin Shark eats teleost fish, rattails, dragonflies, and crustaceans. They are 12 feet long and weigh up to 460 pounds. They live up to 60 years. 

Shark Observation (Pt.3)

Tiger Sharks are 16 feet long and weigh about 1,000 pounds. They swim close to shore. They like to eat fish and other sharks but their favorite food is a sea turtle. The Blue Shark has big pectoral fins. They live where the water is really deep. The top part of them is blue and the bottom is white. They eat squid and fish. The Scalloped Hammerhead swims in large schools. During the day, they are getting cleaned, and at night, they are hunting. They have to keep swimming to breathe. The Bull Shark is the third most dangerous shark in the world. They eat almost every fish. They swim in murky water by beaches. The Greenland Shark lives in cold water. Some odd animals have been found in its stomach such as a reindeer. This shark is poisonous.

Shark Observation (Pt.4)

The Great White shark can grow up to 20 feet long and 7,000 pounds. They live in coastal water where people surf. Baby great white sharks eat little fish and stingrays and the adults eat big marine animals such as seals and dolphins. The Sand Tiger Shark eats small slippery fish. Sand Tiger sharks like to gather around at some times in the year. The Lemon shark reaches ten feet long. They have two dorsal fins almost on the same sides. They sometimes rest at the bottom of the ocean. The Thresher Shark has the longest tail in the world. They are extremely scared of bubbles and people. They are more scared than a Hammerhead. The Great Hammerhead Shark reaches 20 feet long. Females can give birth to 55 babies at a time. Their favorite food is stingrays. They are a bit shy toward people. The Whitetip Reef Shark is a small shark. It can reach up to five pounds. They learn to hunt by following divers lights. The Gray Reef Shark can reach up to 5 feet long. They mostly hunt at night. They take large bites out of their prey rather than eating them whole. They are the most common shark in the world. The Oceanic Whitetip Shark has a pilot fish swimming by it. They eat many sea creatures such as squid, rays, tuna, and some marine mammals. They can live up to 25 years. They can be 13 feet long and weigh 200 pounds. The Nurse Shark reaches ten feet long. The Nurse Shark’s favorite food is conch, which they slurp out of the shell.  

Shark Observation (Pt.2)

The biggest fish and shark is the whale shark. Whale Sharks are also called carpet sharks because of their fancy patterns. They can reach over 40 feet in length and they weigh over 50,000 pounds. They can live up to 70 years. They are filter feeders. They move forward with their giant mouths open letting plankton flow inside. The Basking Shark has a huge mouth that filters plankton. It is the world’s second largest fish and shark. It lives in cool temperate waters. Basking Sharks jump out of the water to get rid of the lampreys eating them.

Shark Observation (Pt. 1)

Sharks have nostrils like humans but they don’t use them for breathing like we do. Their sense of smell is very useful for hunting. Sharks have seven senses the five that humans have and two more called lateral line system, which detects pressure variations and electrosensory system which detects electrical currents. Their electrosensory system is so sensitive and it can detect the electrical currents of a fish swimming in the water in the dark. Sharks eyes have the same basic structure as a human eye. Sharks are the only fish with eyelids. Their eyes are ten times more sensitive in low light than humans. Shark ears are just a tiny dot. They can hear about ten to 800 hz. Most sharks can rest and breathe but some others can’t. Some sharks such as Hammerhead Sharks have to keep swimming to breathe and if they stop swimming they will drown. Sharks that feed on fish have pointy teeth to eat slippery fish and swallow it whole. Sharks that feed on invertebrates have flat teeth for crushing prey.

Hagfish Observation

Hagfish are sometimes 20 inches long. They have loose–fitting skin with no scales. Their mouthparts move horizontally with sharp projections to rip into fish flesh. They can’t see and don’t have any teeth. They produce slime into the predator’s mouth and it clogs its mouth causing it to die. They catch their prey by blending into the ground and wait for its prey to land by it. Eel skin is the same from a hagfish. They eat almost every type of fish.

How Fish Eat

How fish eat is that they use their big mouth and suck up water with the food coming in their mouth. After the food is in their mouth, they use their gills to push all the water out of their body. Most fish eat this way except for sharks, whales, octopuses, and squids.