Gladstone Fish Health Investigation 2011 - 2012 - Western Basin ...

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Figure 40. Banana prawns, a targeted species during the sampling program.Commercial catchThe commercial catch of banana prawns in the Gladstone region (CFish grid S30, asreported in commercial logbooks for both otter and beam trawl combined) between 2000 and2011 peaked in 2003 at 125.53 t. The recorded catch declined to 6.36 t in 2007 and thensteadily increased to 109.18 t in 2011, the second highest recorded catch since 2000 (Figure41). In 2012, the reported banana prawn catch in Gladstone had dropped to 12.88 t..61
Commercial banana prawn catch for the Gladstone region 2000 - 2012140120Weight (tonnes)1008060402002000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012YearFigure 41. The annual catch of banana prawns from the Gladstone region (CFish grid S30) as reported incommercial fisher logbooks from calendar years 2000 – 2011. Data includes both otter trawl and beamtrawl catch for the region.Commercial fishing effort for banana prawns in the Gladstone region (days fished withbanana prawn catch recorded) has varied since 2000 and follows a similar trend to catchhowever between 2008 and 2011 similar effort was recorded while the commercial catchrose steadily (Figure 42). The number of fishers catching banana prawns during this periodpeaked in 2003 (30 fishers). Effort recorded via logbooks for 2012 was very low with onlyseven fishers recording banana prawn catch.Commercial effort (days fished) for banana prawns in Gladstone region2000 - 2012Days80070060050040030020010002000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012YearFigure 42. The number of days fishing where commercial fishers have reported banana prawn catch fromthe Gladstone region (CFish grid S30), as reported in commercial fisher logbooks (calendar years 2000 –2011). Data includes both otter trawl and beam trawl catch effort for the region.62
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Department of Agriculture, Fisherie
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ContentsTable of tables 1Table of f
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Mullet (Mugilidae) 80Banana prawn (
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Figure 7. Barramundi caught in the
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Figure 38. Sharks caught in the Cal
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Phase 1 (August 2011-February 2012)
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The results in this study support t
Page 15 and 16: ecognised expertise and research pu
Page 17 and 18: Mr Mitchell reported high catches u
Page 19 and 20: Figure 2. Sampling sites within the
Page 21 and 22: Phase 2: Expanded Gladstone Fish He
Page 23 and 24: Mud crab (Scylla serrata): Mud crab
Page 25 and 26: For mud crabs, hepatopancreas, gill
Page 27 and 28: Table 2. The number of fish, crusta
Page 29 and 30: Significant findings and discussion
Page 31 and 32: Commercial barramundi catch and cat
Page 33 and 34: Figure 6. Eye condition observed in
Page 35 and 36: Conditions observed in barramundi s
Page 37 and 38: Figure 12. A barramundi caught in t
Page 39 and 40: provided another environmental stre
Page 41 and 42: was somewhat reduced because post-m
Page 43 and 44: 4,000Commercial effort (days fished
Page 45 and 46: Size structure of mud crabs observe
Page 47 and 48: Figure 21. Examples of shell abnorm
Page 49 and 50: Of the 58 crabs observed to have sh
Page 51 and 52: HistopathologyLipid storage vacuola
Page 53 and 54: Commercial fishing effort for mulle
Page 55 and 56: Figure 28. (a) Mullet caught in Rod
Page 57 and 58: June/July: Mullet samples were coll
Page 59 and 60: Sharks and raysThe monitoring progr
Page 61 and 62: Observational findings Phase 1Phase
Page 63 and 64: Encysted larval parasites were foun
Page 65: in particular bull sharks, have bee
Page 69 and 70: Observational findings Phase 2April
Page 71 and 72: Laboratory testing Phase 1Seven riv
Page 73 and 74: four displayed signs of redness. Th
Page 75 and 76: Conditions observed in pelagic fish
Page 77 and 78: FinfishObservational findingsDuring
Page 79 and 80: ConclusionsIn 2011, a wide range of
Page 81 and 82: Mud crabsFisheries Queensland did n
Page 83 and 84: Owens, L. 1983. Bopyrid isopod Epip
Page 85 and 86: Candidate speciesThe monitoring pro
Page 87 and 88: Table 1: Candidate species for each
Page 89 and 90: Sample processingSample processing
Page 91 and 92: Herring/grinner/Australian threadfi
Page 93 and 94: For example: the third specimen, re
Page 95 and 96: oooGonad - present/absentHepatopanc
Page 97 and 98: Cloudy eye,swollen,redness orhemorr
Page 99 and 100: Red pin pointmarks - nogeneral redn
Page 101 and 102: Lesion photos Description GradeThis
Page 103 and 104: L4continuedoperculumgrazing;cuts or
Page 105 and 106: Appendix A-3: Fish health assessmen
Page 107 and 108: Appendix B - Statistical report: Gl
Page 109 and 110: analyses, but this was not done for
Page 111 and 112: was a significant (P < 0.05) locati
Page 113 and 114: Percentage with fin condition > 015
Page 115 and 116: Table 3.6b. Effects of locations an
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Table 3.7d. Spleen categories - cou
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32Bundy2Bundy1UpBoyne1UpBoyne2LwBoy
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Table 3.9c. Regional group means an
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Table 4.2c. Effects of locations an
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4.5 Summarising by regionsThe means
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Ta ble 5.2a. Effects of locations a
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5.5 Summarising by regionsThe means
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6.3 ResultsThere was no significant
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Table 6.5 lists the mean values whe
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Standardized residualsStandardized
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Table 2.3f. Muscle lesions.Lake Fit
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Table 4. 1f. Muscle lesions.Fitzroy
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Table 5.6. Regiona l m eans for the
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Contaminants in Tissue ofFish and C
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Contaminants in Tissue of Fish and
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Department of Science, Information
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Appendix E - Time line BarraBy John
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friends. Rapidly rising flood water
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To make note - condition loss was e
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May/June- FinsMy initial observatio
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Thes e escapee were now also in awo
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Figure N. Barramundi showing net ma
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September- Deaths and SicknessFigur
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There is numerous distinguishing fe
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Department of Agriculture, Fisherie
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Gladstone Fish Health Investigation 2011 - 2012 - Western Basin ...

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