Western Australian Trochus Maximum and minimum size Trochus niloticus Approximately 30 n.a. n.a. 10 t dry weight WA DoF Fishery limits, spatial closures, (13 t live (unpublished annual quota, reef weight). data) walking/wading only (no diving), all trochus must be sold through one central point West Coast Demersal Gillnet Limited entry, effort controls, Dusky, sandbar and 20 (2009–10) 4 (2010) 9 skippers and Shark: 198.1 t Fletcher & and Longline (Interim) temporal closures, gear whiskery shark crew Scalefish: 35.3 t Santoro 2010; Managed Fishery restrictions, maximum legal (2009–10) 2011 size limit for one target species West Coast Demersal Scalefish Limited entry, gear West Australian dhufish 60 permits 50 N/A, estimates 365 t (2010) Fletcher & Fishery restrictions, max no. hours (Glaucosoma assume on Santoro 2010; annually, total catch limit hebraicum) and pink average 1–3 2011 snapper (Pagrus crew members auratus), but also catch per boat substantial numbers of up to 100 other species ITE = individual transferable effort; ITQ = individual transferable quota; n.a. = not available; SFR = statutory fishing rights; t = tonne; TAC = total allowable catch; TAE = total allowable effort; VMS = vessel monitoring system
Western Australian Trochus Fishery Maximum and minimum size limits, spatial closures, annual quota, reef walking/wading only (no diving), all trochus must be sold through one central point Trochus niloticus Approximately 30 n.a. n.a. 10 t dry weight (13 t live weight). WA DoF (unpublished data) West Coast Demersal Gillnet and Longline (Interim) Managed Fishery Limited entry, effort controls, temporal closures, gear restrictions, maximum legal size limit for one target species Dusky, sandbar and whiskery shark 20 (2009–10) 4 (2010) 9 skippers and crew Shark: 198.1 t Scalefish: 35.3 t (2009–10) Fletcher & Santoro 2010; 2011 West Coast Demersal Scalefish Fishery Limited entry, gear restrictions, max no. hours annually, total catch limit West Australian dhufish (Glaucosoma hebraicum) and pink snapper (Pagrus auratus), but also catch substantial numbers of up to 100 other species 60 permits 50 N/A, estimates assume on average 1–3 crew members per boat 365 t (2010) Fletcher & Santoro 2010; 2011 ITE = individual transferable effort; ITQ = individual transferable quota; n.a. = not available; SFR = statutory fishing rights; t = tonne; TAC = total allowable catch; TAE = total allowable effort; VMS = vessel monitoring system
abares-assessment-north-west.docx