Biak naked-backed fruit bat

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Biak naked-backed fruit bat
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Chiroptera
Family: Pteropodidae
Genus: Dobsonia
Species: D. emersa
Binomial name
Dobsonia emersa
Bergmans & Sarbini, 1985
Biak Naked-backed Fruit Bat area.png
Biak naked-backed fruit bat range

The Biak naked-backed fruit bat (Dobsonia emersa) is a species of megabat in the family Pteropodidae. It is endemic to Indonesia.

Taxonomy and etymology[edit]

The Biak naked-backed fruit bat was first described as a species in 1985. Its species name "emersa" is from Latin "emergere," meaning "to emerge." Bergmans and Sarbini selected this name because zoologists such as Fredericus Anna Jentink had written about Dobsonia species from this area long ago, but had overlooked this taxa.[2]


It has a curved snout and relatively large eyes. Its teeth are small and narrow. Adults have a forearm length of approximately 114 mm (4.5 in) and weigh 169–180 g (6.0–6.3 oz).[2]

Range and habitat[edit]

It is endemic to Indonesia. It is a lowland species, found at 0–30 m (0–98 ft) above sea level. It occupies both primary and secondary forests.[1]


As of 2008, it is evaluated as a vulnerable species by the IUCN. It meets the criteria for this classification because it is known from fewer than five locations. It is susceptible to population decline via overhunting and disturbance of its roost sites.[1]


  1. ^ a b c Bonaccorso, F. & Helgen, K. (2008). "Dobsonia emersa". The IUCN Red List of Threatened Species. IUCN. 2008: e.T6774A12804581. doi:10.2305/IUCN.UK.2008.RLTS.T6774A12804581.en. Retrieved 9 November 2017.
  2. ^ a b Bergmans, W.; Sarbini, S. (1985). "Fruit Bats of the genus Dobsonia Palmer, 1898 from the Islands of Biak, Owii, Numfoor and Yapen, Irian Java (Mammalia, Megachiroptera)". Beaufortia. 34 (6): 181–189.