80% of the earth's biological resources are in the ocean. Without destroying the ecological balance, the ocean can provide 3 billion tons of aquatic products every year and can feed 30 billion people. Among marine aquatic products, people eat the most fish. There are more than 20,000 kinds of fish in the world, and there are about 2,000 species in China's waters. Most of the world's fisheries are located on the continental shelf.
Overview: Are Sharks as Dangerous as We Think?Sharks have one of the worst reputations in the animal kingdom. Movies, headlines and viral videos make them look ···...
Manatees—often nicknamed “sea cows”—are among the few fully aquatic mammals outside cetaceans, along with their close cousins, the dugongs. Since their land···...
The idea of a shark cruising just off the beach usually sets off alarm bells. But meet the lemon shark (Negaprion brevirostris): a large, yellow-tinged coastal ···...
Curious about which marine species are on the brink? Iconic examples include the vaquita, blue whale, Hector’s dolphin, sea otter, and giant manta ray. Like ev···...
Whales (family Balaenidae) are among the largest creatures on Earth and have existed for millions of years. They belong to the group of baleen whales (Mysticeti···...
Since ancient times, tuna has been a highly valued food. However, it is often difficult for people to distinguish between tuna and bonito. Even within tuna, the···...
Many people mistakenly believe that sea sponges are not living organisms, or confuse them with aquatic plants. In reality, sea sponges are simple invertebrate a···...
Seals, sea lions, and walruses are all carnivorous marine mammals that belong to the superfamily Pinnipedia. Because they share many physical traits and behavio···...
Sirenian mammals (Order Sirenia) are a group of marine placental mammals with only four living species today. Their name comes from the mythical “sirens” or m···...
Sea turtles belong to two main families: Cheloniidae and Dermochelyidae. Within these groups, we find the green turtle, loggerhead turtle, olive ridley turtle, ···...
The vaquita (Phocoena sinus), also known as the “little sea cow” or “cochito,” is the rarest marine mammal in the world and one of the most endangered. Ende···...
Dolphins are highly popular marine mammals, instantly recognizable by their naturally upturned mouths that give the impression of a permanent smile. Combined wi···...
Among the incredible biodiversity of marine ecosystems, one group of fish stands out for its seemingly magical ability to soar above the sea: the flying fish. W···...
The box jellyfish (Chironex fleckeri) is considered one of the most venomous creatures on Earth. A single individual contains enough venom to kill up to 600 peo···...
Antarctica, the southernmost continent on Earth, spans approximately 14 million square kilometers. It is one of the coldest, most remote, and least inhabited pl···...
Covering over 70% of the Earth's surface, the oceans play a critical role in shaping the planet's climate and sustaining life. Ocean currents regulate w···...
The Portuguese man o’ war (Physalia physalis), also known as the false jellyfish or bluebottle, is a marine hydrozoan from the phylum Cnidaria. Despite its jel···...
Commonly known as sharks or selachians, the cartilaginous fish that belong to the superorder Selachimorpha are among the most fascinating and extensively studie···...
The evolutionary history of vertebrate animals begins with curious organisms that might not resemble typical animals at first glance—yet they are indeed animal···...
The ocean, as the most vast and mysterious ecosystem on earth, breeds a rich variety of life forms. Organisms living in the ocean or saltwater areas of coastal ···...
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