Portunus haanii

{{Short description|Species of crab}}

{{Speciesbox

| genus = Portunus

| species = haanii

| authority = (Stimpson, 1858)

}}

Portunus haanii (swimming crab, red swimming crab, red swimmer crab, or warty swimming crab{{cite web | url = https://www.fda.gov/Food/GuidanceRegulation/GuidanceDocumentsRegulatoryInformation/Seafood/ucm313510.htm | archive-url = https://web.archive.org/web/20130406051334/http://www.fda.gov/Food/GuidanceRegulation/GuidanceDocumentsRegulatoryInformation/Seafood/ucm313510.htm | url-status = dead | archive-date = April 6, 2013 | title = The FDA Seafood List - Updates for 2012 | publisher = Food and Drug Administration}}{{cite web |url = http://www.seachoice.org/fish/red-swimmer-crab/ | title = Red Swimmer Crab | publisher = SeaChoice}}) is a species of crab. It is a source of commercial crab meat in Vietnam and China.{{cite web | url = http://twintailsseafood.com/crab-education/ | title = Crab Education | publisher = Twin Tails Seafood}}