Folifer

{{Short description|Genus of fish}}

{{Speciesbox

| status = DD

| status_system = IUCN3.1

| status_ref = {{cite iucn| author=Nguyen, T.H. |year=2012 |title=Folifer brevifilis |page=e.T166909A1150908 |doi=10.2305/IUCN.UK.2012-1.RLTS.T166909A1150908.en |access-date=11 December 2024}}

| display_parents = 3

| genus = Folifer

| parent_authority = H. W. Wu, 1977

| species = brevifilis

| authority = (W. K. H. Peters, 1881)

| synonyms =

• Barbus brevifilis Peters, 1881
• Labeobarbus brevifilis (Peters, 1881)
• Tor brevifilis (Peters, 1881)
• Barbus bonvaloti Vaillant, 1893
• Barbus szechwanensis Tchang, 1931
• Barbus longirostrum Kimura, 1934

| synonyms_ref = {{FishBase|Folifer|brevifilis|month=October|year=2024}}

}}

Folifer is a monospecific genus of brackish and freshwater ray-finned fish belonging to the family Cyprinidae, the carps, minnows and related fishes. The only species in the genus is Folifer brevifilis, a fish with a wide distribution in Southeast Asia and southern China, including Hainan. It is found in the middle and lower parts of flowing rivers where there is clear and open water, it avoids still water. The diet f this fish includes molluscs, crustaceans, insect larvae, algae and organic debris. This species attains sexual maturity after tw years and spawns over stont riverbeds in areas of clear and open water, This species has a maximum total length of {{cvt|40.5|cm}}, although a standard length of {{cvt|19.2|cm}} is more typical. F. brevifilis is valued as a food fish but is not taken in large numbers. It may be a migratory species which may be impacted by dams and river diversions.

Some authorities split this species into three, with Folifer hainanesis on Hainan and Folifer yunnanensis in Yunnan being recognised as separate species.{{cite web |url=https://etyfish.org/acrossocheilinae/ |title=Family CYPRINIDAE: Subfamily ACROSSOCHEILINAE Yang, Sado, Hirt, Pasco-Viel, Arunachalam, Li, Wang, Freyhof, Saitoh, Simons, Miya, He & Mayden 2015 (East Asian Barbs) |access-date=11 December 2024 |author=Christopher Sharpf |date=24 June 2024 |work=The ETYFish Project Fish Name Etymology Database |publisher=Christopher Scharpf}}