Catching carp: a review of bigheaded carp capture strategies Author Lederman, Nathan J. Aquatic Nuisance Species Program, Illinois Department of Natural Resources, Yorkville, IL, USA & Current address: Wisconsin Department of Natural Resources, 107 Sutliff Ave Rhinelander, WI 54501, USA Author Collins, Scott F. Department of Natural Resources Management, Texas Tech University, Lubbock, TX, USA Author Hammen, Jeremy J. Office of Natural Resources Revenue, Denver, CO, USA Author Parkos, Joseph J. Illinois Natural History Survey, Kaskaskia Biological Station, University of Illinois at Urbana-Champaign, Sullivan, IL, USA text Management of Biological Invasions 2024 2023-12-03 15 1 21 40 http://dx.doi.org/10.3391/mbi.2024.15.1.02 journal article 10.3391/mbi.2024.15.1.02 1989-8649 11976473

Table 1. Summary of active and passive sampling gears and attributes used to capture bigheaded carp (Hypophthalmichthys spp.) across larval, juvenile, and adult life stages.

Approach	Gear	Life stage	Units	Gear attributes
Active	Push net	Eggs, Larvae	density	Single or dual conical nets, 0.5 m diameter, 2.0 m long, 0.8 mm mesh
	Nueston net	Eggs, Larvae	density	1 × 2 m, 500 µm mesh
	Surface plankton net	Eggs, Larvae	density	0.5 diameter opening, 2-m length, 500 µm mesh
	Bongo net	Eggs, Larvae	density	0.6 cm diameter opening, 333 µm mesh
	Cast net	Juvenile	per cast	2.7 m diameter; 10 mm mesh
	Seine–Beach	Juvenile	per haul	10 m length, 3–5 mm mesh
	Seine–Purse	Juvenile	per haul	122 × 3.05 m, with 2.5 cm mesh
	Seine–Contracted	Juvenile, Adult	per haul	Varying set lengths; mesh size range 1.6–5.1 cm
	Trawl–Paupier	Juvenile, Adult	CPUE	Standard amperage adjusted to conductivity, 30 Hz, 15%, 2–4 × 1.5 m frame, 38 mm stretched body mesh to 6 mm mesh cod
	Trawl–Electrified	Juvenile, Adult	CPUE	Amperage adjusted to conductivity, 30 Hz, 15%, 2.13 × 0.9 m frame, 38 mm stretched body mesh to 6 mm mesh cod
	Trawl–Dozer	Juvenile, Adult	CPUE	Two seam; 4.8 m wide × 4.5 m long with 18 mm stretch mesh. Bag 1.8 m; Mesh, 3 mm
	Electrofishing–AC	Juvenile, Adult	CPUE	3-phase, 3 Kw, 230-V, 60 hz; 100–250 V, 3–10 amps, 60–120 hz, 25% Duty cycle, 60–80 pulses/s
	Electrofishing–DC	Juvenile, Adult	CPUE	180–1000 V, 15–60 Hz, 25–50% duty cycle
	Hydroacoustic	Adult	density	Two horizontal-orientated split-beam transducers, 5 pings/s, pulse duration of 0.40 ms, 70 kHz (5 beam angle)–200 kHz (6.6 beam angle)
	Trammel net–Driven	Adult	CPUE	Height, 1.8–3.6 m; Inner panel, 2.5–7.6 cm; Outer panel, 20–34 cm, varying set lengths
	Gill net–Driven	Adult	CPUE	Height, 1.8–3.6 m; Mesh size range:2.54–25.4 cm; Varying set lengths
Passive	Drift net	Eggs, Larvae	density	0.5 diameter opening, 2-m length, 750 µm mesh, 1-m below surface water
	Bongo net	Eggs, Larvae	density	0.6 cm diameter opening, 333 µm mesh
	Light traps	Larvae	trap night	Cloverleaf array; 25.0 cm tall with 5.0 mm entry slots. Collection pan with 6 holes cover by 250 µm mesh
	Minnow trap	Larvae, juvenile	net night	Trap dimensions, 42 × 19 × 22 cm, baited
	Mini fyke net	Juvenile	net night	4.5 × 0.6 m lead, 0.6 × 1.2 m trap 3 mm mesh; some tandem sets
	Hoop net	Adult	net night	Diameter, 0.6–1.8 m; Mesh range, 3.8–10 cm; Some tandem sets
	Stop log net	Adult	net night	25 × 25 cm wood frames; 0.9 m hoops; 1.9 cm mesh
	Fyke net	Adult	net night	0.9 m × 1.8 m frame with 15.2 m × 1.4 m lead, 1.8 to 3.8 cm bar mesh
	Pound net	Adult	net night	Trap dimensions, 6.1 × 3.1 × 3.1 m; 100 m lead and wings
	Trammel net	Adult	CPUE	Height, 1.8–3.6 m; Inner panel, 2.5–7.6 cm; Outer panel, 20–34 cm, varying set lengths
	Gill net	Adult	CPUE	Height, 1.8–3.6 m; Mesh size range: 2.54–25.4 cm; Varying set lengths