Eleutherodactylus amadeus Eleutherodactylus amadeus Eleutherodactylus amadeus, commonly known as Mozart's frog or Haitian robber frog, is a species of frog in the family Eleutherodactylidae. It is endemic to the Massif de la Hotte, southwestern Haiti. After not having been seen after 1991, the species was reported again in 2011. "Eleutherodactylus amadeus" is named after the composer Wolfgang Amadeus Mozart "for the remarkable resemblance of the wide-band audiospectrogram of this species to musical notes." Males measure on average and females in snout–vent length. The maximum length is . The dorsum is smooth. The dorsal pattern is variable; the most common patterns are reverse
Wolfgang Amadeus Mozart listeners and performers. These developments were not witnessed by Mozart's father, who had died on 28 May 1787. In December 1787, Mozart finally obtained a steady post under aristocratic patronage. Emperor Joseph II appointed him as his "chamber composer", a post that had fallen vacant the previous month on the death of Gluck. It was a part-time appointment, paying just 800 florins per year, and required Mozart only to compose dances for the annual balls in the Redoutensaal (see "Mozart and dance"). This modest income became important to Mozart when hard times arrived. Court records show that Joseph's aim was