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Latest Polypteridae Stories

Polypterus senegalus
2014-09-01 04:00:02

Cynthia Lee, McGill University About 400 million years ago a group of fish began exploring land and evolved into tetrapods – today's amphibians, reptiles, birds, and mammals. But just how these ancient fish used their fishy bodies and fins in a terrestrial environment and what evolutionary processes were at play remain scientific mysteries. Researchers at McGill University published in the journal Nature, turned to a living fish, called Polypterus, to help show what might have...


Latest Polypteridae Reference Libraries

47_6262162dae374951f2f02ffe802e243d
2008-05-01 00:06:09

The Reedfish (Erpetoichthys calabaricus), also known as the ropefish or snakefish is a species of freshwater fish in the bichir family and order. It is the only member of the genus Erpetoichthys. It is native to West Africa, with its natural habitat stretching from Nigeria to the Congo. The Reedfish has a maximum total length of 36 inches. It lives in slow-moving, brackish, warm water, and it can breathe air using a modified swimbladder which it uses like a pair of lungs. This organ means...

47_ff4b1b3a8ce1da8766d977608b306e89
2008-05-01 00:03:49

The Gray Bichir (Polypterus senegalus), also known as the Senegal Bichir and Cuvier's Bichir, is a predatory fish. In captivity, it will consume any live or dead animal that can be swallowed or broken apart then swallowed. The only thing that prevents a bichir from emptying an aquarium of smaller fish is its relatively slow speed. The body is long (14 inches) and about as deep as it is wide. A serrated dorsal fin runs along most of the body until it meets the caudal fin. The pectoral fins...

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Word of the Day
grass-comber
  • A landsman who is making his first voyage at sea; a novice who enters naval service from rural life.
According to the OED, a grass-comber is also 'a sailor's term for one who has been a farm-labourer.'