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Polypterus senegalus, commonly known as the Senegal bichir, gray bichir or Cuvier's bichir, is an African species of ray-finned fish in the bichir family, Polypteridae.It is a typical example of polypterid fishes, as most of its defining physical features are common across the genus, such as its ancient, lungfish- or arowana-like appearance, the ability to breathe atmospheric oxygen, and its ...
Bichir group. Polypterus ansorgii Boulenger, 1910 (Guinean bichir) Polypterus bichir Lacépède, 1803 (Nile bichir) P. b. bichir Lacepède, 1803;
Polypterus endlicherii Heckel, 1847 (Saddled bichir) Polypterus mokelembembe Schliewen & Schäfer, 2006 (Mokèlé-mbèmbé bichir) Polypterus ornatipinnis Boulenger, 1902 (Ornate bichir) Polypterus palmas Ayres, 1850 (Shortfin bichir) Polypterus polli J. P. Gosse, 1988 (Poll's bichir) Polypterus retropinnis Vaillant, 1899 (West African bichir)
To study this further, scientists from McGill University raised a group of 111 Senegal bichir fish, also known as dinosaur eels, in just over a tenth of an inch of water.
The maximum recorded length of P. palmas is 35.3 cm (13.9) inches, although lengths of around 30 cm (11.8 inches) are much more common. [4] It can be distinguished from other similarly-sized bichirs such as Polypterus senegalus and Polypterus polli by its bright gold coloration, speckled pattern, and dark transverse barring.
In captivity, bichir larvae and juveniles initially show fast growth up to a certain, species-specific, size but subsequently growth rates slow down once they reach maturity. P. bichir can grow as large as 750mm length wise from the tip of the snout to the end of the caudal peduncle, not including their caudal fin.
A new study shows the size of a dinosaur did not depend on where they live. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290 ...
Named Gondwanax paraisensis, the four-legged reptile species was roughly the size of a small dog with a long tail, or about 1 meter (39 inches) long and weighing between 3 and 6 kg (7 to 13 pounds ...