Balabac Island silverside
- kingdom: Animalia
- phylum: Chordata
- class: Actinopterygii
- order: Atheriniformes
- family: Atherinidae
- genus: Atherinomorus
- species: Atherinomorus duodecimalis
Darwin
Larrakeyah
Northern Territory
AustraliaManokwari
West Papua
IndonesiaSandakan
Sabah
MalaysiaKoror State
Koror Town
Koror
PalauRabaul
East New Britain
Papua New GuineaBatticaloa
Trincomalee
Eastern ProvinceNegombo
Western
Sri LankaKo Samui
Surat Thani
Thailand