polypterus การใช้

• No one had studied the embryology of " Polypterus ".
• Zoo Basel have been successful in breeding Polypterus in captivity.
• At the time nothing was known about juvenile " Polypterus ".
• The third species successfully spawned in captivity was Polypterus endlicheri by Azuma in 1995.
• Polypterus have rarely been bred in captivity.
• The only breeding " Polypterus " specimens were in swampy parts of African rivers.
• There he did some fishing, catching many species but few " Polypterus ".
• On the systematic position of Polypterus.
• He spent most of his short career on the genus " Polypterus " ( bichir ).
• They reached the lake on 30 July and almost immediately found specimens of " Polypterus senegalus ".
• To find its place there, it was necessary to observe juvenile " Polypterus " in the wild.
• However he failed to catch " Polypterus " fry although he did catch fry of many other species.
• He stopped at Ass?where he was told that " Polypterus " were large but impossible to catch.
• Phylogenetic analysis using both morphological and molecular data affirm that " Polypterus " is a living stem actinoptererygian.
• Consequently, his results on " Polypterus " were written up and published by his friend John Graham Kerr.
• He caught many " Polypterus " females ( locally called " Intontos " ) laying or having laid eggs.
• They found close similarities between the ontogenies of " Polypterus " and of urodele amphibians and other'primitive'amphibians.
• He convinced Budgett that the best place to look for developing " Polypterus " ova was Albert Nyanza and the neighbouring streams.
• There is a tension anteriorly, and compression posteriorly strain patterns are observed in " Polypterus ", a prey-sucking predator.
• It is a prototypical species of fish in the " Polypterus " genus, meaning most of its features are held across the genus.