The main farmed crawfish species are red swamp crawfish (Procambarus clarkii) or white river crawfish (Procambarus acutus). The essential elements in crawfish farming include traps and baits. The photo which was taken in a crawfish farm in Louisiana, USA during 1980s show a type of traps which was in use during 1980s. Trapping: Bait trapping is the only harvesting …