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Roa
Roa is a genus of butterflyfishes native to the Indian and Pacific oceans. The six species are widely distributed: R. australis near Australia, R. excelsa near Hawaii and nearby islands, R. jayakari near India, R. modesta near Japan and China, R. rumsfeldi in the Philippines, and R. haraguchiae near Japan and the Philippines.
8 branches of this genus, most-observed first · about 8 known species

Brown-banded Butterflyfish
speciesRoa modesta

Tripleband Butterflyfish
speciesRoa australis
Indian Golden-barred Butterflyfish
speciesRoa jayakari
Brown-barred butterflyfish
speciesRoa excelsa
Haraguchi's butterflyfish
speciesRoa haraguchiae
Halfmoon-spot butterflyfish
speciesRoa semilunaris
Uejo's butterflyfish
speciesRoa uejoi
Deep-blackfin Butterflyfish
speciesRoa rumsfeldi
Where it lives
Recorded sightings
—
geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Roa in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 91789.