Jonas Niclas Ahl

Jonas Nicolaus Ahl (in Latin), also written as Jonas Nicolas Ahl or Jonas Nicholaus Ahl ( – ) was a Swedish zoologist and botanist.

Biography Jonas Nicolaus Ahl was born on in Hudiksvall, province of Hälsingland, Sweden. He studied at the Vasaskolan Gymnasium in Gävle before joining Uppsala University, where he earned his doctorate in 1789 under the supervision of Carl Peter Thunberg. He married Margareta Sophia Alenius on and died on in Sala, Sweden.

Although doubts have been raised about the authorship of this description, because at the time it was common practice for the thesis supervisor (in this case Carl Peter Thunberg) to write the dissertation, and the species Echidna nebulosa and Gymnothorax pictus

Jonas Nicolaus Ahl was also the author of entomological plates.