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

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Contaminants in Tissue of Fish and Crabs Collected in the Gladstone AreaTable 2.4. Regional means for the metal concentrations (dry-weight basis). Within trips, significant(P < 0.05) differences are bolded.Trip 1 – Trip 2 –Reference Gladstone Sig. level Reference Gladstone Sig. levelAluminium 30.3 6.1 0.000 14.5 16.0 0.767Iron 421 249 0.307 393 173 0.202Copper 6.04 3.92 0.220 4.62 3.11 0.387Zinc 67.2 62.7 0.600 62.1 55.9 0.482Arsenic 1.82 3.79 0.119 2.87 2.68 0.875Selenium 3.63 3.32 0.679 3.56 3.14 0.571Cadmium 0.094 0.078 0.625 0.051 0.021 0.351Mercury 0.381 0.252 0.125 0.393 0.366 0.751Barium 1.65 0.34 0.233 1.97 1.53 0.6863. RESULTS – BARRAMUNDI, LIVERDisease status – None of the metals in Table 3.1 showed a significant (P < 0.05) differencebetween normal and diseased fish. Silver and copper were close to significant, with diseased fishhaving lower levels of these metals than the normal fish.Table 3.1. Effects of disease status on the metal concentrations (dry-weight basis), for the livers ofbarramundi.Normal DiseasedAverages.e.Significancelevel (P)Ratio (Diseased/ Normal)Aluminium 2.26 3.18 0.53 0.489 1.41Iron 1420 1901 282 0.431 1.34Copper 44.8 18.5 10.2 0.065 0.41Zinc 67.9 66.0 7.7 0.701 0.97Arsenic 4.40 5.80 0.80 0.429 1.32Selenium 5.36 4.52 0.86 0.373 0.84Cadmium 0.106 0.137 0.019 0.562 1.28Mercury 0.597 0.624 0.145 0.843 1.05Silver 0.260 0.080 0.063 0.055 0.31Location by trip meansThese are the results that are of primary interest, and are listed in Tables 3.2a to 3.2i. Again,significant-difference testing has been conducted amongst the nine means for each metal.Table 3.2a. Aluminium.AwoongaDam BundabergFitzroyRiverHamiltonPointUpperBoyne R. Avg. s.e.Trip 1 0.57 c 3.92 ab 0.97 bc 2.96 abc 3.64 ab 0.99Trip 2 3.23 abc 1.25 bc 5.42 a 2.52 abca Means with a common superscript are not significantly different (P = 0.05).Page 45
Department of Science, Information Technology, Innovation and the ArtsTable 3.2b. Iron.AwoongaDam BundabergFitzroyRiverHamiltonPointUpperBoyne R. Avg. s.e.Trip 1 663 c 1993 bc 1397 bc 3665 a 1899 bc 530Trip 2 845 bc 1092 bc 2297 ab 803 bcTable 3.2c. Copper.AwoongaDam BundabergFitzroyRiverHamiltonPointUpperBoyne R. Avg. s.e.Trip 1 5.6 b 60.0 ab 31.5 ab 67.7 a 7.2 ab 23.6Trip 2 61.5 ab 8.2 ab 26.8 ab 12.6 abTable 3.2d. Zinc.AwoongaDam BundabergFitzroyRiverHamiltonPointUpperBoyne R. Avg. s.e.Trip 1 32.5 c 67.7 bc 68.1 bc 120.6 a 59.0 c 14.0Trip 2 45.3 c 40.1 c 107.7 ab 35.3 cTable 3.2e. Arsenic.AwoongaDam BundabergFitzroyRiverHamiltonPointUpperBoyne R. Avg. s.e.Trip 1 3.48 cd 7.75 bc 2.99 d 13.22 a 2.15 d 1.54Trip 2 4.11 cd 0.93 d 10.16 ab 2.10 dTable 3.2f. Selenium.AwoongaDam BundabergFitzroyRiverHamiltonPointUpperBoyne R. Avg. s.e.Trip 1 2.32 bc 5.81 abc 3.57 bc 10.14 a 2.80 bc 1.66Trip 2 6.96 ab 1.85 c 7.04 ab 2.88 bcTable 3.2g. Cadmium.AwoongaDam BundabergFitzroyRiverHamiltonPointUpperBoyne R. Avg. s.e.Trip 1 0.027 d 0.147 bc 0.089 cd 0.275 a 0.117 bc 0.036Trip 2 0.050 cd 0.086 cd 0.182 ab 0.056 cdTable 3.2h. Mercury.AwoongaDam BundabergFitzroyRiverHamiltonPointUpperBoyne R. Avg. s.e.Trip 1 0.659 a 1.036 a 0.460 a 0.619 a 0.939 a 0.273Trip 2 0.428 a 0.365 a 0.596 a 0.575 aTable 3.2i. Silver.AwoongaDam BundabergFitzroyRiverHamiltonPointUpperBoyne R. Avg. s.e.Trip 1 0.057 b 0.229 ab 0.098 ab 0.201 ab 0.080 ab 0.136Trip 2 0.433 a 0.058 b 0.105 ab 0.196 abPage 46
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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
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ecognised expertise and research pu
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Mr Mitchell reported high catches u
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Figure 2. Sampling sites within the
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Phase 2: Expanded Gladstone Fish He
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Mud crab (Scylla serrata): Mud crab
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For mud crabs, hepatopancreas, gill
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Table 2. The number of fish, crusta
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Significant findings and discussion
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Commercial barramundi catch and cat
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Figure 6. Eye condition observed in
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Conditions observed in barramundi s
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Figure 12. A barramundi caught in t
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provided another environmental stre
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was somewhat reduced because post-m
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4,000Commercial effort (days fished
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Size structure of mud crabs observe
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Figure 21. Examples of shell abnorm
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Of the 58 crabs observed to have sh
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HistopathologyLipid storage vacuola
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Commercial fishing effort for mulle
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Figure 28. (a) Mullet caught in Rod
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June/July: Mullet samples were coll
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Sharks and raysThe monitoring progr
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Observational findings Phase 1Phase
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Encysted larval parasites were foun
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in particular bull sharks, have bee
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Commercial banana prawn catch for t
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Observational findings Phase 2April
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Laboratory testing Phase 1Seven riv
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four displayed signs of redness. Th
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Conditions observed in pelagic fish
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FinfishObservational findingsDuring
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ConclusionsIn 2011, a wide range of
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Mud crabsFisheries Queensland did n
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Owens, L. 1983. Bopyrid isopod Epip
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Candidate speciesThe monitoring pro
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Table 1: Candidate species for each
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Sample processingSample processing
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Herring/grinner/Australian threadfi
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For example: the third specimen, re
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oooGonad - present/absentHepatopanc
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Cloudy eye,swollen,redness orhemorr
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Red pin pointmarks - nogeneral redn
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Lesion photos Description GradeThis
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L4continuedoperculumgrazing;cuts or
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Appendix A-3: Fish health assessmen
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Appendix B - Statistical report: Gl
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analyses, but this was not done for
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was a significant (P < 0.05) locati
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Percentage with fin condition > 015
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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
Page 143 and 144: Contaminants in Tissue ofFish and C
Page 145 and 146: Contaminants in Tissue of Fish and
Page 151 and 152: Department of Science, Information
Page 193: Department of Science, Information
Page 203 and 204: Appendix E - Time line BarraBy John
Page 205 and 206: friends. Rapidly rising flood water
Page 207 and 208: To make note - condition loss was e
Page 209 and 210: May/June- FinsMy initial observatio
Page 211 and 212: Thes e escapee were now also in awo
Page 213 and 214: Figure N. Barramundi showing net ma
Page 215 and 216: September- Deaths and SicknessFigur
Page 217 and 218: There is numerous distinguishing fe
Page 219: Department of Agriculture, Fisherie
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