Dwarf Slender Toad

Ansonia minuta

''Ansonia minuta'' is a species of toad in the family Bufonidae, described from the forests of Sarawak in 1960. It is known by a number of common names: tiny stream toad, dwarf slender toad, and minute slender toad. It is endemic to Borneo and occurs in tropical moist lowland forests. It is threatened by habitat loss.
Dwarf Slender Toad on a riverside boulder This mini toad was only an inch and a half long or so, but probably fully grown. Ansonia minuta,Geotagged,Malaysia,Winter

Appearance

''A. minuta'' is a smaller member of the genus ''Ansonia''. Males range up between 20–24 mm while the females measure up to 30 mm in snout–vent length. The species is slender, with a wide truncate snout. Ear tympani are visible; the feet have rudimentary webbing. The skin on the back is tuberculate with rounded warts, while flanks and throat are more finely granulated. The male possesses a vocal sac with a longitudinal slit on the left side of the mouth. Larvae are recorded to grow up to 17.2 mm .

Distribution

The species is endemic to Borneo and known from western and central Sarawak and Sabah in Malaysia and adjacent western Kalimantan between elevations of 200–1,000 m above sea level. It has a terrestrial lifestyle and occurs in the lowland rainforests, where it breeds in small, rocky streams with clear flowing water. Larvae develop within streams.

Status

''A. minuta'' is currently listed as Near Threatened by the IUCN, as it is believed to suffer from habitat loss through logging and the species will not inhabit disturbed habitats.

Habitat

The species is endemic to Borneo and known from western and central Sarawak and Sabah in Malaysia and adjacent western Kalimantan between elevations of 200–1,000 m above sea level. It has a terrestrial lifestyle and occurs in the lowland rainforests, where it breeds in small, rocky streams with clear flowing water. Larvae develop within streams.

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Status: Near threatened
EX EW CR EN VU NT LC
Taxonomy
KingdomAnimalia
DivisionChordata
ClassAmphibia
OrderAnura
FamilyBufonidae
GenusAnsonia
SpeciesA. minuta
Photographed in
Malaysia