HINCHINBROOK REDTHROAT EMPEROR 2018

Redthroat Emperor are a popular food species and are a commonly targeted offshore species. Most of the offshore activity for reef species around Hinchinbrook is conducted by recreational fishers.

  • 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

    • In 2017 Sportfishers reported a catch rate of 4 fish/fisher/day 
    • Qld Fisheries Boat Ramp Surveys reported a catch rate of 1.07 fish/fisher/day in 2017
    • Hinchinbrook ranked 9th in the state for Redthroat Emperor Catch Rates
    • An increase in Commercial Catch Rates, from 11.9kg/day (2016) to 33.1kg/day (2017) was reported

     

    Quality of the Fish

    • 2017 Qld Fisheries Boat Ramp Surveys reported an average length of 431mm in 2017
    • Hinchinbrook ranked 4th in the State for size of Redthroat Emperor (based on Qld Fisheries Boat Ramp Surveys - based on min 100 fish reported)

     

    Community Attitudes

    • 61% of fish reported in 2017 were kept
    • Hinchinbrook ranked 11th in the state for the number of fish released
    • 71% of the total catch was reported by visitors

     

  • Assessment

    Moderate Take For Consumption/Visitor Surveys Advised

    Redthroat emperor are important to both Commercial and Recreational fishers in Hinchinbrook. Most fish are targetted by visitors to the region. The catch for Red Emperor is much lower than . Obtaining more detail on how the visiting fishers view their fishing experience and how it impacts their decisions to stay in the region would be advised.

    Heavy harvesting of Redthroat Emporer is not recommended, but a moderate take for immediate consumption is unlikely to adversely affect stocks based on available data.

  • Forecast

    Forecast

    • Catch rates should continue to be similar in 2018 (0.8-1.2 Fish/Fisher/Trip)
    • Most legal fish will be in the range 380-500mm
    • Recruitment is unknown
  • 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 Hinchinbrook regularly report catching Redthroat Emperor with most being kept for food. Monitoring began in 2017 and continues in 2018.

    • Redthroat Emperor was the 10th most commonly reported species in Mackay in 2017
    • The average size of fish measured in 2017 was 431mm
    • Recreational fishers reported a catch rate of 1.07 fish/fisher/day in 2017
    • 61% of fish reported in 2017 were released
    • 71% of the total catch was reported by visitors
    • The peak period of Redthroat Emperor catches in 2017 was during May

     

    Qld Fisheries Boat Ramp Surveys monitoring dashboard

     

  • Sportfishers

    Redthroat Emperor

    Redthroat 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, offshore represents the opportunity to bring back a feed of fish for the family.

    • Sportfishers reported a catch rate of 4 fish/fisher/day in 2017
    • data poor

     

    A detailed snapshot of local Sportfishers / Suntaggers catch data is available:

    Local Sportfishers

     

  • 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 Redthroat Emperor in Hinchinbrook (see Area Fished section) represented 16.7% share of the total statewide catch in 2017. Monitoring is ongoing in 2018.

    • Commercial Catch rate is up from 11.9kg/fisher/day in 2016 to 33.1kg/fisher/day in 2017
    • Number of active licenses has ranged between 40 and 63 over the last decade with 45 licences active in 2017.
    • Commercial catch in 2017 was 24.2T, compared to 9.96T in 2016.

     

    Hinchinbrook Redthroat Emperor Commercial Catch Dashboard

     

  • Recruitment

    Monitoring of Redthroat Emperor Recruitment

    No data is available currently on Redthroat Emperor recruitment.

     

  • Monitoring

    Monitoring of Redthroat Emperor

    Data for this assessment has been sourced from:

    • Bureau of Meterology
    • Queensland Fisheries
    • Local Sportfishers / Suntag

     

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

    Local Sportfishers / Suntag
    Hinchinbrook Queensland Fisheries Boat Ramp Surveys
    Hinchinbrook 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.