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When a final heave raised the net slightly above water, Kallarackal could not believe his eyes. “These are hardy species and our water bodies are ecologically suitable for them to establish good populations,” he wrote in an email. But this diversity is at risk due to ‘fugitive’ fish such as the arapaima and gar that escaped from aquaculture facilities … while the Kerala Fish Seed Bill, 2014 demands strict quarantine measures for introduction of any non-native fish into the state. Copyright © 2020. Arapaima is one of the world’s largest freshwater fish, endemic to the Amazon in South America and the alligator gar is from the freshwater lakes of North America. Clear definitions of when a species is invasive in the real sense and causes ecosystem- and fisheries-level impacts are also crucial, he said. But all he saw of the fish was its severed head: it had already been sold in the market. “There is no clear cut policy to handle invasive species in India, not to speak about a dedicated institution to foresee invasive species management, despite being part of international commitments such as the Convention on Biological Diversity,” he adds. While existing laws such as the Wildlife Protection Act of 1972 and the Environment Protection Act of 1986 have included provisions for managing invasive species as do some prevailing quarantine acts, there is no national policy to deal with these species, pointed out Kumar. Both alien species can grow to be enormous. Pet Shop Directory represents exclusively the directory or list of Pet Shops which include Pet Store, Pet Farms, Pet Suppliers, Pet Wholesalers etc. So are many illegally-introduced species (such as the red-bellied pacu and African catfish), which do not figure in the list of 92 species permitted to be imported into the country as per the guidelines laid down by the Department of Animal Husbandry, Dairying and Fisheries. Arapaima (L) and alligator gar (R), two alien fish species found in Kerala’s rivers after the 2018 floods. “No new licenses should be given to farms for importing alien species,” he added. But this diversity is at risk due to ‘fugitive’ fish such as the arapaima and gar that escaped from aquaculture facilities and farms during the floods, claim the authors. This fish was featured in the first episode of Jungle Hooks made in 2002, where Jeremy Wade attempted to catch this fish on camera. while the Kerala Fish Seed Bill, 2014 demands strict quarantine measures for introduction of any non-native fish into the state. In Brazil, they are known as \"pirarucu,\" a word from the Tupi language, which translates roughly as \"red fish.\" In Peru, they are known … Though life was far from normal in Thrissur’s coastal Kodungalloor, 48-year-old Jaison Kallarackal was at his Chinese fishing net at dusk to land the day’s catch. The team plans to begin this work once again from next week to obtain more information on alien fish species that this year’s floods may have released into Kerala’s water systems. But though neither of the fish seems to have established “sustaining populations” in any of these river systems, their presence here is still a cause for concern, claims Kumar, professor and head of the Department of Aquatic Biology and Fisheries at the University of Kerala. Both species are also top predators in their native habitats, feeding on smaller fish (which puts Kerala’s small native species at risk). It is the largest freshwater invasive fish found in Kerala. https://india.mongabay.com/2019/08/enormous-alien-fish-spot Create the perfect underwater community with our selection of Discus and Koi Carp Fish. “There is no clear cut policy to handle invasive species in India, not to speak about a dedicated institution to foresee invasive species management, despite being part of international commitments such as the Convention on Biological Diversity,” he adds. Kerala’s flood ‘fugitives’ The Kerala floods have brought, among other things, a number of predatory non-native fish breeds in the waters of the state. Similarly, there is a huge demand for arapaima and alligator gar among fish hobbyists but these fish quickly outgrow their aquariums and owners often release these fish in the wild, said Raghavan. While alligator gar can measure up to three metres in length, arapaima is five metres long and weigh up to a whopping 200 kg. His journey, however, was not in vain; he was able to procure a small piece of fish tissue from the head. It appears in Season 1 and Season 6 Episode 6 as well as Season 9 Episode 6, the Series Finale of River Monsters. Arapaima (L) and alligator gar (R), two alien fish species found in Kerala’s rivers after the 2018 floods. Kumar, who documented how ornamental exotic South American suckermouth armoured catfishes (genus Pterygoplichthys) were invading the drain networks of Thiruvananthapuram city in a study in 2015, found that traders and aquarium hobbyists were releasing these fish into drains when they grew too large for their aquariums or tanks. It measured six feet long and weighed a whopping 41 kilograms. While tiny swordtails and the giant gourami (both ‘fugitives’ of the ornamental fish industry) have established themselves in some rivers and streams of Kerala but are not invasive, the same cannot be said of the African catfish Clarius gariepinus. In their communication in the journal Current Science in May this year, the team call for an urgent nationwide scheme to eradicate such alien fish species. The largest ever recorded was 15 ft. long, but because of overfishing it is highly unlikely to encounter individuals longer than 6 ft. in the wild. Some species may need to be addressed specifically. But not all exotic species become invasive, cautions Nachiket Kelkar from the Ashoka Trust for Research, Ecology and the Environment (ATREE) in Bengaluru, who has studied fish communities in the Western Ghats and north India. Squirming around at the base was a fish he had never seen before: flat-headed and sporting large scales tinted in pink and cream. “However, there is no data on this, as most of the farms that were growing these fish are illegal and no one has background information on the number of fish stocked in these ponds along these flood plains.”. Sergio Ricardo de Oliveira. These post-flood field surveys revealed that fishers had caught arapaima and gar from four flood-affected rivers in Kerala: the Periyar, Muvattupuzha, Kurumali and Chalakkudy. Fishing for sale in Kerala. Image credit: Biju Kumar. The fish probably escaped from aquaculture facilities during the floods, and are now ‘fugitives’ in the natural ecosystem, claim researchers. 1Up Reviews | Cyberpunk 2088 Finally On Mobile. This has to change, as we try to control truly invasive populations,” added Kelkar. “No new licenses should be given to farms for importing alien species,” he added. “But the flood situation is still grim and fishing in rivers has not resumed,” he says. Pothanikkad native George Antony grew this giant fish in his farm. Kerala does of course have its share of naturalised exotics and invasives. Both alien species can grow to be enormous. Nevertheless, lack of mechan-isms for implementing and enforcing these provisions facilitates the illegal farming of top predators like arapaima and alligator gar in Kerala… The presence of these alien fish – which are being farmed illegally in the state – could bode ill for Kerala’s native fish diversity, claim the scientists. They also feature large scales. 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