 Mélébingóy is considered one of the sacred places of the Tboli tribe.It hosts a rare species, "Parantica dannatti reyesi", a butterfly related to the monarch, which was discovered by the late Professor Josue de los Reyes of Notre Dame of Marbel University and published in the entomological journal of Senckerburg Research Institute in December 1994.Government officials have also confirmed sightings of the Philippine tarsier, "Tarsius syrichta" which can supposedly be found in the barangays surrounding Lake Hólón.