This list pulled information for all of Tanzania, so it isn't specific to Dar.
Boulengerula boulengeri is a species of amphibian in the Caeciliidae family. It is endemic to Tanzania. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montanes, arable land, plantations , rural gardens, and heavily degraded former forest. It is threatened by habitat loss.
Boulengerula uluguruensis or the Uluguru pink caecilian is a species of amphibian in the Caeciliidae family. It is endemic to Tanzania. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montanes, rural gardens, and heavily degraded former forest.
Schistometopum gregorii is a species of amphibian in the Caeciliidae family. It is found in Kenya and Tanzania. Its natural habitats are subtropical or tropical moist lowland forests, rivers, swamps, plantations , rural gardens, heavily degraded former forest, and seasonally flooded agricultural land. It is threatened by habitat loss.
Scolecomorphus kirkii is a species of caecilian in the Scolecomorphidae family. It is found in Malawi and Tanzania. Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist montanes, plantations , rural gardens, urban areas, and heavily degraded former forest.
Scolecomorphus vittatus is a species of caecilian in the Scolecomorphidae family. It is endemic to Tanzania.
Scolecomorphus uluguruensis is a species of caecilian in the Scolecomorphidae family. It is endemic to Tanzania.