Lauk: Béda antarrépisi
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[[Gambar:herring2.jpg|thumb|250px|[[Héring Atlantik]], ''Clupea harengus'': spésiés lauk panglobana di sakuliah dunya.]] |
[[Gambar:herring2.jpg|thumb|250px|[[Héring Atlantik]], ''Clupea harengus'': spésiés lauk panglobana di sakuliah dunya.]] |
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'''Lauk''' |
'''Lauk''' mangrupa [[vertebrata]] poikilotermik (getih tiis) nu hirup di jero cai maké [[insang]]. Di dunya, lauk kabagi jadi leuwih ti 27 rébu [[spésiés]], nepi ka jadi golongan vertebrata nu loba rupana. Sacara taksonomis, lauk téh mangrupa hiji kelompok [[parafilétik]] nu hubungan di antarana paling mindeng dipadungdengkeun; babagian nu umum mah nyaéta jadi [[lauk tanpa rahang]] (kelas [[Agnatha]], 75 spésiés kaasup [[belut]] jeung ''[[hagfish]]''), [[lauk kartilagus]] (kelas [[Chondrichthyes]], aya 800 spésiés, kaasup [[hiu]]), sarta sésana dina kelas [[lauk ipis]] ([[Osteichthyes]]). |
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Lauk téh |
Lauk téh mangrupa golongan sato anu ukuran awakna rupa-rupa pisan: ti [[hiu]] anu 16 m nepi ka [[impun]] anu ukur 2 cm, malah loba kénéh anu ukuranana leuwih leutik ti impun. |
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Certain species of fish maintain elevated body temperatures to varying degrees. Endothermic [[teleosts]] (bony fishes) are all in the suborder Scombroidei and include the billfishes, tunas, and one species of "primitive" mackerel (''Gasterochisma melampus''). All sharks in the family [[Lamnidae]] – shortfin mako, long fin mako, white, porbeagle, and salmon shark – are known to have the capacity for endothermy, and evidence suggests the trait exists in family [[Alopiidae]] (thresher sharks). The degree of endothermy varies from the billfish, which warm only their eyes and brain, to [[bluefin tuna]] and porbeagle sharks who maintain body temperatures elevated in excess of 20 °C above ambient water temperatures. ''See also [[gigantothermy]]''. Endothermy, though metabolically costly, is thought to provide advantages such as increased contractile force of muscles, higher rates of central [[nervous system]] processing, and higher rates of [[digestion]].--> |
Certain species of fish maintain elevated body temperatures to varying degrees. Endothermic [[teleosts]] (bony fishes) are all in the suborder Scombroidei and include the billfishes, tunas, and one species of "primitive" mackerel (''Gasterochisma melampus''). All sharks in the family [[Lamnidae]] – shortfin mako, long fin mako, white, porbeagle, and salmon shark – are known to have the capacity for endothermy, and evidence suggests the trait exists in family [[Alopiidae]] (thresher sharks). The degree of endothermy varies from the billfish, which warm only their eyes and brain, to [[bluefin tuna]] and porbeagle sharks who maintain body temperatures elevated in excess of 20 °C above ambient water temperatures. ''See also [[gigantothermy]]''. Endothermy, though metabolically costly, is thought to provide advantages such as increased contractile force of muscles, higher rates of central [[nervous system]] processing, and higher rates of [[digestion]].--> |
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Révisi nurutkeun 11 Agustus 2015 23.50
Lauk mangrupa vertebrata poikilotermik (getih tiis) nu hirup di jero cai maké insang. Di dunya, lauk kabagi jadi leuwih ti 27 rébu spésiés, nepi ka jadi golongan vertebrata nu loba rupana. Sacara taksonomis, lauk téh mangrupa hiji kelompok parafilétik nu hubungan di antarana paling mindeng dipadungdengkeun; babagian nu umum mah nyaéta jadi lauk tanpa rahang (kelas Agnatha, 75 spésiés kaasup belut jeung hagfish), lauk kartilagus (kelas Chondrichthyes, aya 800 spésiés, kaasup hiu), sarta sésana dina kelas lauk ipis (Osteichthyes).
Lauk téh mangrupa golongan sato anu ukuran awakna rupa-rupa pisan: ti hiu anu 16 m nepi ka impun anu ukur 2 cm, malah loba kénéh anu ukuranana leuwih leutik ti impun.
Ékologi
Urang bisa manggihan lauk ampir di sakabéh awak cai anu badag, boh di darat anu jerona ukur puluhan sénti nepi ka sagara anu jerona rébuan méter.
Klasifikasi
Lauk mah ngabentuk kelompok parafilétik: sakabéh kumpulan (clade) nu ngandung lauk salawasna ngandung ogé tétrapoda nu lain lauk. Lauk digolongkeun kana sababaraha kelompok utama:
- Conodonta
- Hyperoartia
- Pteraspidomorphi (lauk tanpa rahang kuna)
- Thelodonti
- Anaspida
- Cephalaspidomorphi (lauk tanpa rahang kuna)
- Gnathostomata (jawed vertebrates)
- Placodermi
- Chondrichthyes (cartilaginous fish)
- Acanthodii
- Osteichthyes (bony fish)
- Actinopterygii (ray-finned fish)
- Sarcopterygii (lobe-finned fish)
Pikeun klasifikasi anu leuwih lengkep, mangga tingal artikel vertebrata.
Baca ogé
- Sato
- Akuarium
- Lauk sagara jero
- Anatomi lauk
- Migrasi lauk
- Nguseup
- Ihtiologi (ulikan ngeunaan lauk)
- Daptar kulawarga lauk
- Daptar ngaran umum lauk
- Ostrakoderma - lauk munggaran
- Lauk prasajarah
Tumbu kaluar
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Wikimedia Commons mibanda média séjénna nu patali jeung Category:Actinopterygii. |
- 70South - information on Antarctic fish
- A World of Fish Species information and fish care
- Fish database (FishBase)
- Join Ray Mullet in the Fish Olympics!
- Project for children - build a fish mobile with a behavior
- Fish Keeping
- Site with one of the largest fish databases in the world
- Reelinthefish.net | Interview with Dr James K. Oliver, Reefbase Scientist
- Fishy.UsArticles & Particles
- Saltwater & Freshwater Forums
- Help on raising Aquarium Fish
- Aquarium Fish Education
- Fish and Seafood RecipesCooking With Fish
- Reef aquarium community and learning center
- German Educator in Fisheries, Specialist in Fancy Goldfish and Fishhealth, with Forum and large Picture-Gallery
- Fish Aquarium simulator for mac.
- AroFanaticsWebsite one of the most popular fish-keeping forum.
- The Aquarium Fish Tank Friend
- Information about fish - Wild Animals Online encyclopedia
- Minnesotas Foremost Fishing, Hunting, and Outdoor Community - Read Stories, Download our Newsletter, Join our Club!
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