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Endler's livebearer, now classified as Poecilia wingei. Endler has carried out extensive work on guppies, including in 1975 rediscovering the species now known to aquarists as Endler's guppy, in his honour; this brightly coloured fish is sometimes regarded as a geographical variant of the common guppy Poecilia reticulata, but is now usually treated as a separate species, Poecilia wingei. [1]
Poecilia wingei is a very colorful guppy species, similar to the fancy guppy often found in pet shops. The species was first collected from Laguna de Patos in Venezuela by Franklyn F. Bond in 1937, and rediscovered by Dr. John Endler in 1975.
While studying guppies (Poecilia reticulata) in Trinidad, biologist John Endler detected selection at work on the fish populations. To rule out alternative possibilities, Endler set up a highly controlled experiment to mimic the natural habitat by constructing ten ponds within a laboratory greenhouse at Princeton University. Each pond contained ...
While the book focuses on the Grant's and Darwin's finches, it also covers work on fruit flies by Dobzhansky (Chaper 12) and Trinidadian guppies led by John Endler (Chapter 6). In the conclusion the author relates the speed of evolution to the growing resistance of insects to insecticides and of bacteria to penicillin and related anti-bacterial ...
The LA wildfires could cost insurance companies $30 billion. A lawyer who's helped recover millions in insurance claims shared his advice for those impacted.
Even after weeks of close analysis, Super Bowl 59 still found a way to surprise many, as the Eagles secured a rare knockout of the Chiefs.
Guppies were first described in Venezuela as Poecilia reticulata by Wilhelm Peters in 1859 and as Lebistes poecilioides in Barbados by De Filippi in 1861. It was named Girardinus guppii by Albert Günther in honor of Robert John Lechmere Guppy, who sent specimens of the species from Trinidad to the Natural History Museum in London. [7]
Conservators in London, England used infrared and X-ray imaging to reveal a never-before-seen portrait of a woman beneath a popular painting by renowned artist Pablo Picasso.