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  1. The Bohai Sea ( Chinese: 渤海) is a gulf on the northeast coast of China and it is west of the Korean Peninsula. It is a redundant place name, which mean that the words making up the place name has the same meaning, since hăi (海) as in Bóhǎi already means "sea" or "ocean".

  2. Zhuyin Fuhao, often shortened as zhuyin and commonly called bopomofo, is a type of sound-based writing for the Chinese language. In Chinese, "bo", "po", "mo" and "fo" are the first four of the conventional ordering of available syllables. As a result, the four syllables together have been used to refer to many different phonetic systems.

    • Types of Fish
    • Anatomy
    • Freshwater Fish
    • Saltwater Fish
    • Swimming
    • Body Shape
    • Fish as Food
    • Fish as Pets
    • Gallery

    "Fish" is not a formal taxonomic grouping in systematic biology. Amphibians, reptiles, birds and mammals all descended from lobe-finned fish. But the use of the term "fish" is so convenient that we go on using it. Fish are the oldest vertebrate group. The term includes a huge range of types, from the Middle Ordovician, about 490 million years ago, ...

    Bony and cartilaginous fish

    Most kinds of fish have bones. Some kinds of fish, such as sharks and rays, do not have real bones. Their skeletons are made of cartilage, and so they are known as cartilaginous fish.

    Fish scales

    All fish are covered with overlapping scales, and each major group of fish has its own special type of scale. Teleosts ('modern' fish) have what are called leptoid scales. These grow in concentric circles and overlap in a head to tail direction like roof tiles. Sharks and other chondrichthyes have placoid scales made of denticles, like small versions of their teeth. These also overlap in a head to tail direction, producing a tough outer layer. Shark skin is available for purchase as shagreen,...

    41% of all fish live in freshwater. There are also some important fish which breed in rivers, and spend the rest of their life in the seas. Examples are salmon, trout, the sea lamprey, and three-spined stickleback. Some fish are born in salt water, but live most of their mature lives in fresh water: for example the eels.Species like these change th...

    59% of fish live in saltwater and are known as marine fish. Some of the common marine fish are from the family Pomacentridae and sub-family Pomacentrinae. Many of the smaller, colourful marine fish are used in aquariums.

    Fish swim by exerting force against the surrounding water. There are exceptions, but this is usually done by the fish contracting muscles on either side of its body. This starts waves of flexion which travel the length of the body from nose to tail, generally getting larger as they go along. Most fishes generate thrust using lateral movements of th...

    The shape of the body of a fish is important to its swimming. This is because streamlinedbody shapes makes the water drag less. Here are some common fish shapes:- The picture on the right shows a shark. This shark's shape is called fusiform, and it is an ovoid shape where both ends of the fish are pointy. This is the best shape for going through wa...

    Some people eat many different kinds of fish. These include carp, cod, herring, perch, sardines, sturgeon, tilapia, trout, tuna, and many others. A person who buys and sells fish for eating is called a fishmonger. The word to fish is also used for the activity of catching fishes. People catch fish with small nets from the side of the water or from ...

    Selective breeding of carp made them into the domesticated koi in Japan, and goldfish in China. This breeding began over 2,000 years ago. The Chinese brought their goldfish indoors during the Song Dynasty. They kept them in large ceramicvessels. That we now do in glass fish tanks.

  3. This is a list of islands in the world ordered by area. It includes all islands with an area greater than 250,000 km² (96,526 square miles). Although an island is, in general, any land mass that is completely surrounded by water, some definitions exclude land masses large enough to be considered continents.

  4. The at sign (@), otherwise known as the ampersat, is a logogram. It is used in bills, emails and programming. In email, it is used to show a specific domain of an email address. In bills, it used to mean "at a rate of". For example, 7 widgets @ £ 2 equals £14. In programming, the at sign has been used in a wide range of programming languages.

  5. Mollusc. Cypraea, the cowrie. About 80% of all known mollusc species are gastropods. Mollusks are an important phylum of invertebrate animals. Most of them are marine animals, which means they live in the ocean. They have huge numbers in-shore, that is, in shallow water.

  6. This article lists the 50 states of the United States. It also lists their populations, the date they became a state or agreed to the United States Declaration of Independence, their total area, land area, water area, and the number of representatives in the United States House of Representatives.

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