Translations:Fish/1/ja: Difference between revisions

魚類 Temporal range: 535–0 Ma PreꞒ Ꞓ O S D C P T J K Pg N 中期カンブリア紀 – 現在
	バラ・シャーク、硬骨魚類
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Olfactores
Subphylum:	Vertebrata
Groups included
	"無顎類"; †"板皮類"; †"棘魚類"; 軟骨魚類; 硬骨魚類条鰭類; 肉鰭類（四肢動物を含む）; ;
Cladistically included but traditionally excluded taxa
	四肢動物;

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Latest revision as of 13:04, 28 August 2025

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Message definition (Fish)

{{Short description|Gill-bearing non-tetrapod aquatic vertebrates}}
{{Paraphyletic group
| name = Fish
| fossil_range = {{fossilrange|535|0}} [[Middle Cambrian]] – [[Recent]]
| image = Balantiocheilos melanopterus - Karlsruhe Zoo 02 (cropped).jpg
| image_caption = [[Bala shark]], a bony fish
| auto = yes
| parent = Vertebrata
| includes = *"[[Agnatha]]"
*{{extinct}}"[[Placodermi]]"
*{{extinct}}"[[Acanthodii]]"
*[[Chondrichthyes]]
*[[Osteichthyes]]
**[[Actinopterygii]]
**[[Sarcopterygii]] (including [[tetrapod]]s)
| excludes = *[[Tetrapod]]a
}}
A '''fish''' is an [[aquatic animal|aquatic]], [[Anamniotes|anamniotic]], [[gill]]-bearing [[vertebrate]] [[animal]] with swimming [[fish fin|fins]] and [[craniate|a hard skull]], but lacking [[limb (anatomy)|limbs]] with [[digit (anatomy)|digits]]. Fish can be grouped into the more [[basal (phylogenetics)|basal]] [[jawless fish]] and the more common [[jawed fish]], the latter including all [[extant taxon|living]] [[cartilaginous fish|cartilaginous]] and [[bony fish]], as well as the extinct [[placoderm]]s and [[acanthodian]]s. In a break from the long tradition of grouping all fish into a single [[Class (biology)|class]] (<nowiki>''Pisces''</nowiki>), modern [[phylogenetics]] views fish as a [[paraphyletic]] group.

魚類とは、水生で、無羊膜類であり、鰓を持つ脊椎動物であって、遊泳のための鰭と頭蓋骨を有するが、四肢および指を欠くものである。魚類は、より基盤的な無顎魚類と、より一般的な顎口魚類に大別され、後者には現生の軟骨魚類と硬骨魚類、さらに絶滅した板皮類と棘魚類が含まれる。長く続いた全ての魚類を一つの綱（''Pisces''）にまとめる伝統から離れ、現代の系統学は魚類を側系統群と見なしている。

Translations:Fish/1/ja: Difference between revisions

Latest revision as of 13:04, 28 August 2025

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