Dendrobates (orchidee)
''Dendrobates'' is a genus of poison dart frogs native to Central and South America. It once contained numerous species, but most originally placed in this genus have been split off into other genera such as '' Adelphobates'', ''Ameerega'', ''Andinobates'', '' Epipedobates'', ''Excidobates'', '' Oophaga'', '' Phyllobates'' and '' Ranitomeya'' (essentially all the brightly marked poison dart frogs; i.e. excluding the duller genera in the family like ''Colostethus'' and '' Hyloxalus''), leaving only five large to medium-sized species in the genus ''Dendrobates''. All the other genera used to be grouped in with ''Dendrobates'' because it was previously thought that all brightly colored poison dart frogs came from the same ancestor but this has since been proven to be incorrect. ''Dendrobates'' and ''Phyllobates'' evolved conspicuous coloration from the same common ancestor but not the same as any of the other genera listed above. There is accumulating evidence that ''Dendrobates'' a ...
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Dendrobates Tinctorius
The dyeing dart frog, dyeing poison dart frog, tinc (a nickname given by those in the hobby of keeping dart frogs), or dyeing poison frog (''Dendrobates tinctorius'') is a species of poison dart frog. It is among the largest species, reaching lengths of . This species is distributed throughout the eastern portion of the Guiana Shield and Venezuela, including parts of Guyana, Suriname, Brazil, and nearly all of French Guiana. Etymology The specific name, ''tinctorius'', comes, however not from the variety of colors, but from the legends of some indigenous tribes. It has been said that tribe members used the frog poisons to cause green parrot feathers to grow different colors. Poison Like most species of the genus ''Dendrobates'', ''D. tinctorius'' is highly toxic if consumed. It produces pumiliotoxins and allopumiliotoxins that the frog uses for self-defense. While pumiliotoxins are weaker than their derivative allopumiliotoxins and the batrachotoxins secreted by ''Phyllo ...
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