Figure 2. Six standard, base trap types used in this study; a = Steel silver Gee Minnow trap, b = Vinyl coated black Promar Minnow trap, c = Mountain Restoration Trust custom design pyramid trap, d = Collapsible red square mesh Promar 501 trap, e = Colapsible cylindrical black mesh Promar 503 trap, and f = Mountain Restoration Trust custom PVC tube/refuge traps. Specific modifications to these traps to create the 12 types tested are provided in Table 1.

Published as part of De Palma-Dow, Angela A., Curti, Joseph N. & Fergus, C. Emi, 2020, It's a Trap! An evaluation of different passive trap types to effectively catch and control the invasive red swamp crayfish (Procambarus clarkii) in streams of the Santa Monica Mountains, pp. 44-62 in Management of Biological Invasions 11 (1) on page 50, DOI: 10.3391/mbi.2020.11.1.04, http://zenodo.org/record/11974441