Ibacus

{{Short description|Genus of crustaceans}}

{{Automatic Taxobox

| image = Ibacuc ciliatus.jpg

| image_caption = Ibacus novemdentatus

| taxon = Ibacus

| authority = Leach, 1815

| subdivision_ranks = Species

| subdivision = *Ibacus alticrenatus Bate, 1888

• Ibacus brevipes Bate, 1888
• Ibacus brucei Holthuis, 1977
• Ibacus chacei Brown & Holthuis, 1998
• Ibacus ciliatus (von Siebold, 1824)
• Ibacus novemdentatus Gibbes, 1850
• Ibacus peronii Leach, 1815
• Ibacus pubescens Holthuis, 1960

}}

Ibacus is a genus of slipper lobsters, including commercially important species such as the Balmain bug, Ibacus peronii.{{cite WoRMS |author=Tin-Yam Chan |year=2010 |title=Ibacus Leach, 1815 |id=206491 |accessdate=January 4, 2012}}