WebUn fòssil vivent, el Triops australiensis. Els nàutils són els únics membres vivents de la subclasse dels nautiloïdeus i existeixen des de fa 500 milions d'anys. Fòssil vivent és una expressió emprada per a classificar espècies no extintes que són extremadament semblants a espècies identificades mitjançant fòssils . The arapaima, pirarucu, or paiche is any large species of bonytongue in the genus Arapaima native to the Amazon and Essequibo basins of South America. Arapaima is the type genus of the subfamily Arapaiminae within the family Osteoglossidae. They are among the world's largest freshwater fish, reaching as much as 3 m (9.8 ft) in length. They are an important food fish. They have …
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WebThe arapaima, pirarucu, or paicheare several large speciesof bonytonguefish in the genusArapaima. They are native to the Amazonand Essequibobasins of South America. These fish are widely dispersed and do not migrate. This makes scientists think that there are more species of arapaima that scientists have not found yet. [1] WebGenus Arapaima. Arapaima atau pirarucu, Arapaima gigas (Cuvier, 1829) Genus Heterotis. African arowana, Heterotis niloticus (Cuvier, 1829) Subfamili Osteoglossinae. Genus Osteoglossum (Cuvier, 1829) Silver arowana, Osteoglossum bicirrhosum (Cuvier, 1829) Black arowana, Osteoglossum ferreirai Kanazawa, 1966; Genus Scleropages money machine fx
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WebArapaima agassizii is a species of freshwater fish endemic to Brazil. It is a member of the arapaimas, a genus of air-breathing fish that contains some of the world's largest … WebArapaima leptosoma is a species of freshwater fish endemic to Brazil. It is a member of the arapaimas, a genus of air-breathing fish that contains some of the world's largest … Webצלקנתאים. ברג, 1937. צֵלקנתְּאים ( שם מדעי: Coelacanthiformes) הם קבוצה עתיקה של דגים בעלי סנפירים בשרניים (Sarcopterygii) ב מחלקה Actinistia. [1] בתור בעלי סנפירים בשרניים, הם קשורים יותר ל דגי ריאות ול בעלי ארבע ... icd 10 hypotony left eye
