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Exotic Aquatic Organisms - International Development Research ...

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gouramy have positive economic impacts as well as nutritional contribution to rural<br />

communities. Similarly, the ornamental fish trade has grown considerably from US$ 100,000 in<br />

1973 to the current value of US$ 4 million (New Straits Times, 21st January 1988). There is still<br />

potential to increase the ornamental fish trade to US$ 32 million of the US$ 4 billion world wide<br />

trade (Ang, unpublished data).<br />

Present economic benefits derived from ornamental fish trade and introduced food fish<br />

should not be used to justify indiscriminate introduction without considering the risks associated<br />

with introductions. Every effort should be made to reduce the risks by appropriate quarantine<br />

procedures. Malaysia's inclusion in the convention of <strong>International</strong> Trade on Endangered<br />

Species (CITES) is a useful step in this direction. The revised Fisheries Act and Government<br />

efforts to establish quarantine stations to monitor imported species are welcome moves.<br />

Table 4. List of parasites and their hosts at the freshwater breeding stations in peninsular Malaysia.<br />

Station Host Parasites<br />

Enggor<br />

Tanah Rata<br />

Machang<br />

Bukit Tinggi<br />

Tapah<br />

Jitra<br />

Kong Kong<br />

Cyprinus carpio Monogenetic trematode, Lernaea<br />

cyprinacea Piscinoodiniu,n sp.,<br />

Trichodina sp.<br />

Trichogaster pectoralis Trichodina sp.<br />

Tilapia sp. Monogenetic trematode<br />

Puntius gonionotus Trichodina sp.,<br />

Piscinoodiniwn sp.<br />

Cyprinus carpio Monogenetic trematode,<br />

Trichodina sp., Myxobolus sp.,<br />

Lernaea cyprinacea, Argulus<br />

japonicus<br />

Cyprinu.s carpio Monogenetic trematode<br />

Trichodina, Lernaea cyprinacea<br />

Ctenopharyngodon idella Trichodina sp., Monogenetic<br />

trematode<br />

Puntius gonionotus Lernaea cyprinacea<br />

Aristichihys nobilis Lernaea cyprinacea, Lernaea<br />

piscinae, Monogenetic<br />

trematode<br />

Puntius gonionotsLs Lernaea cyprinacea, Trichodina<br />

sp., id hyopht hirius<br />

mu11fihiis., Piscinoodium sp.<br />

Cypriniu.s carpio Monogenetic trematodes<br />

Puntius gonionotlis Trichodina sp.,<br />

icthyophthiriu.s mutt iJiliis,<br />

Lernaea cyprinacea,<br />

Monogenetic trematode,<br />

Piscinoodium sp.<br />

Cyprinus carpio icthyophlhiriu.s mutt fihiis,<br />

Argu!usjaponicus,<br />

Piscinoodiu,n sp.<br />

Hetostoma temmincki Monogenetic trematode, Lernaea<br />

cyprinacea<br />

Cyprinus carpio Lernaea cyprinacea,<br />

Trichodi,za sp.<br />

Tilapia sp. Monogenetic trematode,<br />

Piscinbodiu,n sp.<br />

Tilapia sp. Trichonida sp.,<br />

icthyophthirius nzuttiflhiis<br />

Puntius goni000tus Lernaea cyprinacea,<br />

Monogenetic trematode<br />

Cyprinus carpio Lernaea cyprinacea,<br />

Monogenetic trematode<br />

81

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