What eats phytoplankton in coral reefs?

The Phytoplankton is consumed by Zooplankton, a primary consumer. The Zooplankton is then consumed by some secondary consumers: the Fan Worm, the Blue Chromis, the Sea Sponge the Coral Polyps. The Fan Worm is eaten by the tertiary consumer, the puffer fish.

What gives coral reefs their color?

Because photosynthesis requires sunlight, most reef-building corals live in clear, shallow waters that are penetrated by sunlight. The algae also give a coral its color; coral polyps are actually transparent, so the color of the algae inside the polyps show through.

What happened to the barracuda in finding nemo?

You probably missed the big reveal, but up on a wall in the shop is the evil barracuda stuffed and mounted. So not only did the barracuda get caught, stuffed and mounted on a plaque, it apparently also got thrown away, because it now spends its time in an antique shop. This is what we call sweet justice.

What is the food chain of the coral reef?

In a coral reef ecosystem, the primary producers are plankton and algae. Primary consumers include sea cucumbers and parrot fish. Secondary consumers include sharks, dolphins, eels, sea horses, jellyfish, and starfish. Decomposers are mainly bacteria.

Whats killing the barrier reef?

Pollution, overfishing, destructive fishing practices using dynamite or cyanide, collecting live corals for the aquarium market, mining coral for building materials, and a warming climate are some of the many ways that people damage reefs all around the world every day.

Who eats seaweed?

WHAT ANIMALS EAT SEAWEED? Many invertebrates eat seaweed such as jellyfish, crabs, crustaceans, sea urchins, seals, sea turtles, lobster, crayfish, woodlice, to name a few.

Are whitetip reef sharks aggressive?

Whitetip reef sharks are rarely aggressive towards humans, though they may investigate swimmers closely. However, spear fishers are at risk of being bitten by one attempting to steal their catch. This species is caught for food, though ciguatera poisoning resulting from its consumption has been reported. The IUCN has assessed the whitetip reef shark as Vulnerable, noting its numbers are dwindling due to increasing levels of unregulated fishing activity across its range. The slow reproductive rate and limited habitat preferences of this species renders its populations vulnerable to overfishing.

Are whitetip reef shark dangerous?

The Whitetip Reef Shark is a curious species that often approaches divers. It is not considered dangerous to people.

Do they still make shark bites?

And while Shark Bites are technically still in production, if you’re looking to take a bite of your childhood, the version you can buy now probably won’t satisfy your craving. You can no longer find the pineapple-flavored white sharks in the modern version, which were without a doubt the best ones in any pack.

How aggressive are oceanic whitetip sharks?

Oceanic whitetip sharks are one of the more dangerous sharks to humans. They are known to have attacked survivors of ship and plane wrecks at sea, and are suspected to be responsible for several unrecorded human fatalities (ISAF 2018).

How do combat divers deal with sharks?

In areas of high shark activity, repellent is carried. If a dive mater feels it’s not safe, you stop or cancel the dive. When I was in dive school in San Diego, one of my classmates, a Force Recon Marine, asked for tips on using his knife to defend himself against a shark.

Is it legal to have a shark as a pet?

The possession and sale of shark fins are also banned in California, as is ownership of freshwater sharks. Physician and real estate developer Ario Fakheri told the Journal the shark is “one of the sexiest animals out there.”

Is reef shark aggressive?

The grey reef shark is considered one of the more aggressive sharks but will typically only show aggression towards a person when it feels threatened. According to the International Shark Attack File, the grey reef shark is responsible for 8 confirmed shark bites on humans, one of which was fatal (ISAF 2018).

What is a nurse sharks favorite food?

Nurse Shark Diet Small fish, shellfish, shrimp and squid are some of the nurse shark’s favorite foods, though they will also eat algae and coral from time to time. Since they hunt at night, it is believed that they eat fish that are resting, making those fish slow enough to be easy prey.

Why are great white sharks aggressive?

But new research suggests great white shark attacks on humans aren’t on purpose but rather because the predator has terrible eyesight. It has long been thought that the reason sharks attack humans is because they mistake us as seals, which are one of the most common meals for sharks.

Are blacktip reef sharks aggressive?

Normally wary of humans, blacktip sharks can become aggressive in the presence of food and have been responsible for a number of attacks on people. This species is of importance to both commercial and recreational fisheries across many parts of its range, with its meat, skin, fins, and liver oil used. It has been assessed as Vulnerable by the IUCN, on the basis of its low reproductive rate and high value to fishers.

Can a small shark bite you?

Sharks occasionally do bite humans, but not all bites are feeding events. Sharks sometimes grab humans by mistake. Other times a bite may protect a shark’s space, much as a dog barks at and bites intruders.

Do blacktip sharks have predators?

Adult blacktip sharks have few predators, but larger sharks like Sphyrna mokarran prey on migratory groups (Doan and Kajiura, 2020). Like other carcharhinid sharks, the young are often at risk of predation by larger sharks.

How do sharks eat turtles?

Large sharks like the Great White Shark and the Tiger Shark can bite through a sea turtles shell. Some smaller sharks, that cannot bite through the shell, will attack a sea turtles’ fins and neck, eating much of the exposed body of the turtle, while leaving behind the shell and innards.

Are you still a twin if your twin dies at birth?

Twins are automatically lifelong companions. This was my big take away from the session: when a twin dies, it if the first time the surviving twin has ever been alone. All other people live as an individual before developing a relationship with another person. The presence of each twin is built into the other being.

Can a book stop a bullet?

The Panama Police Department in Le Flore County, Okla., fired rounds from various guns into textbooks of varying thicknesses to see if they would stop the bullets. The results, according to KTUL News: Two books stopped a handgun fired at close range, and three stopped a round fired from an AR-15 semiautomatic rifle.

Can a shark break through a turtle shell?

Sea turtles are incapable of fully retracting into their shells like land turtles do, which leaves them exposed to risk of attack when nesting on land. … The sea turtle’s shell is softer than the land turtle’s, which enables whales and sharks to easily break it during an attack.

Can sharks kill turtles?

Adult sea turtles have a few predators, mostly large sharks. Tiger sharks, in particular, are known for eating sea turtles. … Fishes, dogs, seabirds, raccoons, ghost crabs, and other predators prey on eggs and hatchlings.

Do great white sharks eat turtle?

Bigger Sharks Seek Bigger Prey As the young sharks grow and their jaws get stronger, they start hunting larger prey. The diet of adult Great White Sharks consists mostly of marine mammals, like different species of seals and dolphins, but they will also eat sea turtles and otters.

Do sharks have throats?

Some sharks must maintain a certain swimming speed in order to ventilate their gills with water taken in through the mouth. But others have specialized muscles in their pharynx (throat) which they use to pump water over their gills even when they’re not moving.

How do sharks eat turtle shells?

It is has evolved to cut through turtles shell with a few shakes of the sharks head. The point of the tooth is meant to hold the prey in place with tremendous force and when the shark shakes its head side to side, those serrations cut right through the shell of the turtle.