massive invasion of foreign fish species worries thailand
2024-09-02
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zhang jinruo, our special correspondent in thailand
according to a recent report by the thaiger website, thailand is struggling to cope with the major ecological threat posed by the black-chinned crucian carp, which has spread to 17 provinces in thailand, causing potential damage to the local environment and economy.
it is reported that the reproduction speed of the black-chinned broom-toothed carp is very amazing. it only takes 22 days from spawning to hatching, and 99% of the eggs can hatch successfully. statistics show that they can produce 1 million fry every day across thailand. the black-chinned broom-toothed carp competes with local fish species for resources, resulting in a sharp decline in the number of local fish. the problem of biological invasion of the black-chinned broom-toothed carp has existed for many years and is a pain point that every thai government is committed to solving.
according to the bbc, bancha, director general of the thai fisheries department, reported that the black-chinned broomfish had already appeared in thailand in 2017 and would flood the central region, including bangkok, samutprakarn, samutsakhon and phetchaburi, in early 2024. bangkok mp natacha estimated that this year's black-chinned broomfish flood crisis would cause losses of hundreds of millions of baht to the thai economy.
the ministry of agriculture and cooperatives of thailand has set up a special committee to take five measures to deal with the problem: first, control and eliminate the black-chinned carp in the affected water sources; second, release predatory fish to naturally control its number; third, use the caught black-chinned carp to make fish meal; fourth, monitor its distribution; and fifth, raise public awareness. in addition, the government has invested 450 million baht (about 93.85 million yuan) in the budget and expects to completely solve this biological invasion problem by 2027.
one theory about the origin of the black-chinned crucian carp points to an experiment conducted by thai food giant charoen pokphand food (cpf) in 2010, but the company has denied the claim and warned that it will take legal action against those who spread false information.
thailand's the nation previously reported that cpf is working with the ministry of fisheries to eliminate this ecological threat by purchasing black-chinned crucian carp for fishmeal production, releasing predatory fish, removing fish from the ecosystem, developing food, and supporting long-term control technology research.
