This is a list of the mammal species recorded in Fiji. There are 15 mammal species in Fiji, of which 1 is critically endangered, 1 is endangered, 3 are vulnerable, and 0 are near-threatened.
The following tags are used to highlight each species' conservation status as assessed by the IUCN:
Some species were assessed using an earlier set of criteria. Species assessed using this system have the following instead of Near Threatened and Least Concern categories:
The bats' most distinguishing feature is that their forelimbs are developed as wings, making them the only mammals in the world naturally capable of flight. Bat species account for about 20% of all mammals.
Family: Pteropodidae (flying foxes, Old World fruit bats)
Subfamily: Pteropodinae
Genus: Pteralopex
Fijian monkey-faced bat Mirimiri acrodonta (formerly in Pteralopex) CR
Genus: Pteropus
Samoa Flying-fox Pteropus samoensis VU
Insular Flying-fox Pteropus tonganus LR/lc
Subfamily: Macroglossinae
Genus: Notopteris
Long-tailed Fruit Bat Notopteris macdonaldi VU
Family: Molossidae
Genus: Chaerephon
Chaerephon bregullae LR/nt
Family: Emballonuridae
Genus: Emballonura
Polynesian Sheath-tailed Bat Emballonura semicaudata EN
The order Cetacea includes whales, dolphins and porpoises. They are the mammals most fully adapted to aquatic life with a spindle-shaped nearly hairless body, protected by a thick layer of blubber, and forelimbs and tail modified to provide propulsion underwater.
Suborder: Mysticeti
Family: Balaenopteridae
Subfamily: Balaenopterinae
Genus: Balaenoptera
Dwarf minke whale Balaenoptera acutorostrata subsp. NE
Bryde's Whale Balaenoptera edeni DD
Fin whale Balaenoptera physalus EN
Pygmy blue whale Balaenoptera musculus brevicauda EN
Blue whale Balaenoptera musculus EN
Subfamily: Megapterinae
Genus: Megaptera
Humpback Whale Megaptera novaeangliae VU
Suborder: Odontoceti
Family Physeteridae (sperm whales)
Genus: Physeter
Sperm whale Physeter catodonVU (Tabua plays an important role in local culture)
Family: Kogiidae
Genus: Kogia
Pygmy Sperm Whale Kogia breviceps LR/lc
Family: Ziphidae
Subfamily: Hyperoodontinae
Genus: Mesoplodon
Blainville's Beaked Whale Mesoplodon densirostris DD
Ginkgo-toothed Beaked Whale Mesoplodon ginkgodens DD
Hector's Beaked Whale Mesoplodon hectori DD
Family: Delphinidae (marine dolphins)
Genus: Stenella
Pantropical Spotted Dolphin Stenella attenuata LR/cd
Genus: Lagenodelphis
Fraser's Dolphin Lagenodelphis hosei DD
Genus: Feresa
Pygmy Killer Whale Feresa attenuata DD