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The film follows her journey as she investigates the causes and solutions to some of the most pressing threats facing the oceans, including the decimation of the world's fish populations and ocean acidification. [3] Sea of Life begins by examining the importance of the oceans to our very existence. Through compelling footage and interviews, it ...
White fish are usually demersal fish which live on or near the seafloor, whereas oily fish are pelagic, living in the water column goes from the bottom. Oily fish meat is a good source of important fat-soluble vitamins such as Vitamin A and D, and is rich in omega-3 fatty acids (white fish also contain these nutrients but at a much lower ...
The young fry live at sea for two to three weeks and then migrate during the juvenile stage to mangrove swamps, estuaries, and sometimes lakes, and return to sea to mature sexually and reproduce. Juveniles prefer to settle in undisturbed coastal ecosystems that are semi-enclosed, calm, shallow, free from predators, and rich in aquatic vegetation.
The aquaculture fish have a variety of uses including: food, nutritional, and pharmaceutical. [21] Two types of aquaculture exist. Marine aquaculture farms the fish species that live in the ocean and fresh water aquaculture is the fish species that live in freshwater. [21]
The average salinity of Earth's oceans is about 35 grams (1.2 oz) of salt per kilogram of seawater (3.5% salt). [21] Most of the salt in the ocean comes from the weathering and erosion of rocks on land. [22] Some salts are released from volcanic activity or extracted from cool igneous rocks. [23]
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That the cessation of fish consumption is the solution to collapsing fish stocks and human exploitation remains a consistent message throughout the film. Statistics repeatedly buttress this point, including various fish species listed at >90% wild population loss, and the claim that global oceans could be essentially devoid of fish by 2048. [19]