HINCHINBROOK GRASS EMPEROR 2018

Grass Emperor are a popular food species and are the most commonly targeted inshore species.

  • Overview

    Overview

    Crystal Bowl GBR is aiming to examine 3 core measures across a wide range of species in the region:

    • Fishing experience (how many fish per trip)
    • Quality of the fish (size of fish)
    • Community attitudes (number of legal size fish kept or released)

     

    Fishing Experience

    • Local Sportfishers have reported a catch rate of 0.33 fish/fisher/day in 2017
    • Qld Fisheries Boat Ramp Surveys report a catch rate of 0.4 fish/fisher/day
    • Hinchinbrook ranked 14th in the state for Grass Emperor Catch Rates in 2017
    • An increase in Commercial Catch Rates from 3kg/day in 2015 to 6.59kg/day in 2017 was reported

     

    Quality of the Fish

    • 2017 Qld Fisheries Boat Ramp Surveys report an average size of 444mm in 2017
    • Hinchinbrook ranked 1st in the State for size of Grass Emperor (based on Qld Fisheries Boat Ramp Surveys - based on min 100 fish reported)

     

    Community Attitudes

    • 73% of Grass Emperor reported in Qld Fisheries Boat Ramp Surveys were released
    • 53% of Grass Emperor caught in Rockhampton were reported by visitors
    • Hinchinbrook ranked 7th for the number of fish released in 2017 

     

  • Assessment

    Limited Catch Data

    Grass Emperor are reported as an incidental catch and not targetted by commercials.  No assessment can be made on available data but we advise moderation and taking only what is needed for immediate consumption.

  • Forecast

    Forecast

    Not enough data is available to make a forecast.

  • Qld FIsheries Boat Ramp Surveys 

    Monitoring of Recreational Catch by Qld Fisheries

    Queensland Fisheries monitors boat ramps up and down the coast as a part of the Sustainable Fisheries Strategy. Fishers in Hinchonbrook regularly report catching Grass Emperor with most being returned to the water. Monitoring began in 2017 and continues in 2018.

    • Grass Emperor was the 22nd most commonly reported species in Hinchinbrook in 2017
    • An average length of 444mm was reported in 2017 Qld Fisheries Boat Ramp Surveys
    • Fishers reported a catch rate of 0.4 fish/fisher/day in 2017
    • 73% of legal size fish reported in 2017 were released
    • 53% of fish reported in 2017 were caught by locals
    • Peak periods for Grass Emperor catches in 2017 were during January and August

     

    Qld Fisheries Boat Ramp Surveys monitoring dashboard

     

  • Sportfishers

    Local Sportfishers

    Grass Emperor are targeted by sportfishers for much the same reason as other groups - take home for a feed. As sportfishers practice catch and release for their key estuary targets, the offshore fishery represents the opportunity to bring back a feed of fish for the family.

    • Local Sportfishers reported a catch rate of 0.3 fish/fisher/day in 2017
    • The most commonly reported size reported to date are fish in the 351-400mm size range

     

    A snapshot of Grass Emperor catch by Sportsfishers / Suntaggers is available:

    Local Sportfishers / Suntaggers

     

  • Commercial Fishing

    Commercial Fishing Catch

    Queensland Fisheries monitors commercial catches up and down the coast. Commercial fishers are required to maintain logbooks of catch and report quarterly. The commercial catch of Grass Emperor in Hinchinbrook (sea Area Fished section) represents 2.15% share of the total statewide catch in 2017. Monitoring is ongoing in 2018.

    • Commercial Catch rate is up from 3kg/fisher/day in 2015 to 6.5kg/fisher/day in 2016
    • Number of active licenses in 2017 was 12 with 5-15 active over the past 10 years.
    • Commercial catch in 2016 is 0.27T, compared to. 0.15T in 2015.

     

    Hinchinbrook Grass Emperor Commercial Catch Dashboard

     

  • Recruitment

    Monitoring of Grass Emperor Recruitment

    No data is available currently on Grass Emperor Recruitment.

     

  • Monitoring

    Monitoring of Grass Emperor

    Data for this assessment has been sourced from:

    • Bureau of Meterology
    • Suntag
    • Queensland Fisheries

     

    Here are links to all the monitoring pages for Grass Emperor:


    Local Sportfishers / Suntaggers
    Rockhampton Queensland Fisheries Boat Ramp Surveys
    Rockhampton Queensland Fisheries Commercial Data

  • Fishing Area

    Area Assessed

    Offshore catch monitoring is more difficult than inshore as each of the monitoring agencies define different boundaries around fishing areas. For this assessment commercial grids I19-M19 and I20-M20 were used.