Nutrition in marine life
Marine life can be wonderful and strange at the same time. Some creatures look beautiful, but their behavior and ways of eating may seem strange, and these sea creatures do some strange tactics in the deep sea when they start eating.
A-Sea celebrity:
Imagine the feeling of mussels while they are secure in their shell, then suddenly appears a purple starfish and prepares to eat its food, which is mussels.
The good news for mussels is that their shell is so strong that a starfish can only open a small portion of the mussel’s shell.
But the bad news for mussels is that the starfish can reverse its stomach and exit the stomach from the body to enter from the small space that was opened to digest the mussels and return the stomach again to the sea star’s body.
B-Humpback whales
Humpback whales form groups of them that are carefully coordinated so that they surround a large group of fish and make a circle around them so that the fish remain in one spot.
The whales climb horizontally out of the water while opening their mouths to catch all those fish in their path!
C-larvaceans:
This strange marine creature relies on spreading a network of mucus to get its food, as it is no more than a few centimeters long in a round shape and has a long tail. So that the microorganisms that feed on it stick to it, and that net contains filters to get good food, but these filters get clogged as a result of their work, and therefore
That marine organism gets rid of that net every hour and builds a new, clean net, and that net, with the passage of time and food stuck to it, begins to descend to the ocean floor as a result of its excess weight, but that strange sea creature continues to devour its food until the net falls to the ocean floor and begins to build new network.
D- star feather
Feather Stars use their sticky, prepared pods to catch ocean floor snacks like plankton, bacteria, and detritus.
Then the star feather begins to use its closest arms to bring it closer to the mouth to eat the food attached to it, and then the nearby farmer begins to get food from the arms farthest from the mouth to start eating the star feather.
E-Sea cucumber:
The sea cucumber spreads its tentacles in the water to catch the food particles that float in the water, then each tentacle puts the food in the mouth of the sea cucumber!!
F- jellyfish:
Jellyfish, corals, and anemones are all hollow organisms that have stinging cells. The sea’s change in eating depends on the drifts that occur to other marine organisms during the occurrence of sea currents. The jellyfish hunts these small creatures through stinging tentacles, and the food is transferred to the mouth by the arms and then to the digestive system.
The strongest female hyena?
The female hyena is dominant in the family, as the females in the herd of hyenas are larger and stronger than the males. And certainly, they are the most aggressive.
The female hyena possesses in her reproductive system external eggs similar to those of males and they are enlarged to the extent that they may pose a danger to the female in battles and chases. This event happens once every four years.
Adams river
It is a tributary of the Fraser River in British Columbia, Canada. This event occurs once every four years during mid-October. Millions of red salmon flow through the river.
They are concentrated near the estuary for breeding, as 10 to 15 million salmon fish fight the Fraser River and the Thomson River to reach 12 km from the Fraser River, the final stage of a 4000 km journey where they lay eggs and die. 1 | The salmon in the Fraser River travel from the spawning site to the south of the Thompson River and then to the Pacific Ocean where the Georgia Strait spends 3 years in the open ocean following the Arctic currents to Alaska and Aleutian Island and then back to the Adams River, completing its journey of 4000 km.
But at this point, the number decreases by 2 million fish after the end of their arduous journey, including the rapid water flows in the narrow Fraser Valley, in just 17 days.
And what is unbelievable is that salmon does not eat during this period, depending on what it stores of food inside its body, which it has eaten in the Georgia Strait during the summer.
During this period also, salmon begin to take a distinctive red color and the development of males begins with the appearance of their fins.
The big one and her big hook-mouth
When the right place is found, the female makes a nest 10 to 40 centimeters deep, with the male nearby to repel all intruders.
The female lays about 3,500 eggs and the male fertilizes them. Then the couple covers the eggs with a layer of gravel to protect them from fish and birds.
Within 10 days, the couple turns from crimson to gray from fatigue, and their bodies slowly begin to give in after completing a grueling task of preserving the species.
As the salmon goes on its journey, it encounters fishermen, bears, and tourists.
A fish that lives at a depth of about 250 meters below sea level?
The white shark lives in most oceans and seas,
but it loves to live in coastal areas, and it can live in the open ocean or
continental coasts, and the white shark lives in seas that are estimated at
about 250 meters below sea level.
An eagle eating fruits?
Despite the fame of the eagle bird that feeds only on carrion and meat, the royal eagle can also feed on fruits and plants in periods of scarcity of carrion and prey, which helps it.
In its form, it is alive, and this bird does not kill the Qarai like the hawk, but it feeds only on carrion that has died or been preyed upon by others.
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