Fishes Wallpaper
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Fishes Wallpaper
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- Submited:2004-11-24 13:57:00
- File Size:272.73 Kb
- Resolution:1024x768
- File Format:jpg
- Category:Fishes
- Downloads:393
- Views:367
- Number of rates:0
- Rating:0.0000
About Fishes
Fish Animals - photo wallpapers; Megawallpapers.org: A fish is a poikilothermic (cold-blooded) * water-dwelling vertebrate with gills. There are over 27,000 species of fish, making them the most diverse group of vertebrates. Taxonomically, fish are a paraphyletic group whose exact relationships are much debated; a common division is into the jawless fishes (class Agnatha, 75 species including lampreys and hagfish), the cartilaginous fishes (class Chondrichthyes, 800 species including sharks and rays), with the remainder classed as bony fishes (class Osteichthyes). Fishes come in different sizes, from the 14-meter (45 ft) whale shark to a 7-mm (just over 1/4 of an inch) long stout infantfish. Many types of aquatic animals named "fish", such as jellyfish and cuttlefish, are not true fish. * Certain species of tuna maintain an elevated core temperature, so they are not, strictly speaking, poikilothermic. The Great White Shark is the only known truly endothermic (warm-blooded) fish
Note on usage: "fish" vs. "fishes". "Fishes" is the proper English plural form of "fish" that biologists use when speaking about two or more fish species, as in "There are over 25,000 fishes in the world" (meaning that there are over 25,000 fish species in the world). When speaking of two or more individual fish organisms, then the word "fish" is used, as in "There are several million fish in the species Gadus morhua" (meaning that G. morhua comprises several million individuals). To see both in action, consider the statement "There are twelve fish in this aquarium, representing five fishes" (meaning that the aquarium contains twelve individuals, some of the same species and some of different species, for a total of five species). Fish ecology: Fishes can be found in almost all large bodies of water in either salt and fresh water, at depths ranging from just below the surface to several thousand meters. However, hyper-saline lakes like the Great Salt Lake do not support fish. Some specie...
Fish Animals - photo wallpapers; Megawallpapers.org: A fish is a poikilothermic (cold-blooded) * water-dwelling vertebrate with gills. There are over 27,000 species of fish, making them the most diverse group of vertebrates. Taxonomically, fish are a paraphyletic group whose exact relationships are much debated; a common division is into the jawless fishes (class Agnatha, 75 species including lampreys and hagfish), the cartilaginous fishes (class Chondrichthyes, 800 species including sharks and rays), with the remainder classed as bony fishes (class Osteichthyes). Fishes come in different sizes, from the 14-meter (45 ft) whale shark to a 7-mm (just over 1/4 of an inch) long stout infantfish. Many types of aquatic animals named "fish", such as jellyfish and cuttlefish, are not true fish. * Certain species of tuna maintain an elevated core temperature, so they are not, strictly speaking, poikilothermic. The Great White Shark is the only known truly endothermic (warm-blooded) fish
Note on usage: "fish" vs. "fishes". "Fishes" is the proper English plural form of "fish" that biologists use when speaking about two or more fish species, as in "There are over 25,000 fishes in the world" (meaning that there are over 25,000 fish species in the world). When speaking of two or more individual fish organisms, then the word "fish" is used, as in "There are several million fish in the species Gadus morhua" (meaning that G. morhua comprises several million individuals). To see both in action, consider the statement "There are twelve fish in this aquarium, representing five fishes" (meaning that the aquarium contains twelve individuals, some of the same species and some of different species, for a total of five species). Fish ecology: Fishes can be found in almost all large bodies of water in either salt and fresh water, at depths ranging from just below the surface to several thousand meters. However, hyper-saline lakes like the Great Salt Lake do not support fish. Some specie...
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