Resultado de búsqueda
Hace 2 días · The South American lungfish (Lepidosiren paradoxa), also known as the American mud-fish [6] and scaly salamanderfish, [7] is the single species of lungfish found in swamps and slow-moving waters of the Amazon, Paraguay, and lower Paraná River basins in South America. [8]
Hace 2 días · Lungfish, bichirs, ropefish, bowfins, snakefish, and the African knifefish have evolved to reduce such mixing, and to reduce oxygen loss from the gills to oxygen-poor water. Bichirs and lungfish have tetrapod-like paired lungs, requiring them to surface to gulp air, and making them obligate air breathers.
Hace 3 días · El trabajo de un hombre para revelar las especies antiguas del sur de África ha sido reconocido con el nombre de una nueva especie. El pez pulmonado fósil Ferganoceratodus edwardsi recibe su nombre en honor a Steve Edwards, un guía de safari y cazador de fósiles aficionado del norte de Zimbabue.
Hace 4 días · Researchers studied the Ferganoceratodus edwardsi, the ancient lungfish species, and found that many lungfish may be more closely connected to each other than previously believed. This discovery sheds new light on their development over time.
Hace 5 días · A new study suggests it was the power of the eyes and not the limbs that first led our aquatic ancestors to make the leap from water to land. The researchers discovered that eyes nearly tripled in...
Hace 4 días · Respiratory system. All chondrichthyans breathe through five to seven pairs of gills, depending on the species. In general, pelagic species must keep swimming to keep oxygenated water moving through their gills, whilst demersal species can actively pump water in through their spiracles and out through their gills.
Hace 3 días · 210-million-year-old fossilized remains of a lungfish species have been unearthed in Zimbabwe. This was the time when continents were all joined and dinosaurs began to emerge during the Triassic ...
