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安裝中文字典英文字典辭典工具!
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- Polypterus - Wikipedia
Polypterus is a genus of freshwater fish in the bichir family (Polypteridae) of order Polypteriformes The type species is the Nile bichir (P bichir) Fish in this genus live in various areas in Africa Polypterus is the only known vertebrate to have lungs, but no trachea
- Bichir Care 101: Tank Mates, Diet, Size, Types, Etc.
They make up the Polypteridae family and are mostly found in Northeast Africa throughout the Nile River and its associated tributaries Bichirs prefer shallow, swampy waters and can thrive in semi-brackish waters as well
- Bichir | Size, Diet, Facts | Britannica
bichir, (genus Polypterus), any of about 10 species of air-breathing tropical fishes of the genus Polypterus native to freshwater river and lake systems in western and central Africa Bichirs are classified in the family Polypteridae, order Polypteriformes
- Bichirs (Polypterus spp. ): Ancient Prehistoric Fish for Enthusiasts
These prehistoric bichir fish aren’t your average community tank residents They’re members of the Plypterus genus, and ancient air-breathing predators with elongated bodies and spiny dorsal finlets
- Polypterus. info homepage
All of the present-day Polypterids come from the freshwater rivers and lakes of Africa They are able to breathe air via a lung-like modification to their swim bladder, and can travel over land using their strong pectoral fins
- Polypterus - AquaInfo
Today’s Polypteridae (Bichir’s) are among the most primitive ray-finned species still in existence They all occur in freshwater areas in Africa, most of them up to about 10 degrees north and 10 degrees south of the equator
- Polypteriformes | ForAquarist. com
Probably the most famous among aquarists is Polypterus ornatipinnis BOULENGER, 1902 In English, it is referred to as the striped bichir, reaching a size of up to 50 cm
- Dinosaur Bichir Care: Tank Size, Diet What Most Guides Get Wrong
Fossils from ancestral Polypterus species date back 200 million years These fish genuinely look like something that should be extinct, with their armored ganoid scales, serrated dorsal fin, and primitive lobed pectoral fins they use to “walk” across the substrate
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