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His journey, however, was not in vain; he was able to procure a small piece of fish tissue from the head. The fish probably escaped from aquaculture facilities during the floods, and are now ‘fugitives’ in the natural ecosystem, claim researchers. 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. There is a list of species that are prohibited from being imported into India, and the alligator gar does fall in this category, said Aneish P. Rajan, Kerala Joint Commissioner Customs (Preventive). But this diversity is at risk due to ‘fugitive’ fish such as the arapaima and gar that escaped from aquaculture facilities … Find here details of companies selling Aquarium Fish in Thrissur, Kerala. Another new species spotted in Kerala's newly-calm waters is the Arapaima (pictured), a vicious predator of Brazilian origin known to survive out of water for a considerable amount of time. Alligator gar in Kerala’s waters could indeed be a potential concern because the species is primarily carnivorous and can feed on native fish, said V. S. Basheer, principal scientist at Kochi’s National Bureau of Fish Genetics Resources (NBFGR). Though these fish are capable of growing to great lengths, they rarely make it to their largest size. “But the flood situation is still grim and fishing in rivers has not resumed,” he says. Arjun (of Thiruvananthapuram’s Indian Institute of Information Technology and Management) and Unmesh Katwate and Rajeev Raghavan (of Kochi’s Kerala University of Fisheries and Ocean Studies – KUFOS) – also obtained information on the presence of the alligator gar, another fish never recorded in Kerala’s waters before. Arapaima which is one of the rare fishes species that can breathe air from the atmosphere. In their opinion note in Current Science, Kumar and his colleagues point out that this is in conflict with the Aichi Biodiversity Targets (which specify controlling and eradicating alien species as well as sustainable management of aquaculture, among others) that India has agreed to ratify as well. Indian Institute of Information Technology and Management, Kerala University of Fisheries and Ocean Studies, National Bureau of Fish Genetics Resources, Ashoka Trust for Research, Ecology and the Environment, using environmental DNA (e-DNA) to detect invasive fish, You may republish Mongabay content in your publication at no cost. Kerala’s river systems, which the authors study, are home to around 200 species of fish, 30 percent of which are endemic to the region. “This species could have a bigger chance to proliferate in Kerala’s freshwater habitats than the arapaima,” he says. Fl… The Arapaima Fish is shaped like a torpedo. Arapaima - Buy Fish at best price of Rs 10000/piece from Thaikkattil Farm. “These are hardy species and our water bodies are ecologically suitable for them to establish good populations,” he wrote in an email. “For the police and customs staff checking on biological quarantines, fish are fish. 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. The government should also audit fish farms to see what alien species they are stocking, and make it compulsory for farms to declare these species and their numbers, said Raghavan. Chalakudy River is the one of very few rivers of Kerala with relics of riparian vegetation in substantial level. The team called for an urgent need to develop and implement a nationwide ‘alien species management and eradication scheme’. “There are at least three native fish species endemic to Periyar Lake and the rising catfish populations could affect them.”. After a month’s such work of analysing news reports, social media photographs and videos of ‘strange’ fish caught after the 2018 floods, and re-confirming sightings with local fishermen and fish vendors, the team – of A. Biju Kumar (University of Kerala), Raj, C.P. Alligator gar too are formidable predators; they are piscivorous generalists with an affinity towards live fish, said Raghavan, an assistant professor at KUFOS. At OLX you can find Fishes & Aquarium accessories and services in Kerala. Like the arapaima, the gar too is alien: its native habitats are the freshwater lakes of North America. Additionally, arapaimas are air-breathers, a feature that could help them survive even in polluted habitats. Kothamangalam (Ernakulam): A giant fish that weighs more than 100 kg and has a length of 6.75 feet has drawn crowd to the fish farm in Nadukani. The illegally-introduced species is fast becoming a major concern in the state, says Basheer, who is part of an NBFGR project to study the impacts of exotic fish species in Indian waters, “Populations of African catfish are rapidly increasing in some waterbodies in Kerala, such as the Mattupetty, Aanayirangal and Periyar reservoirs of Idukki district,” he says. His journey, however, was not in vain; he was able to procure a small piece of fish tissue from the head. 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… Kerala’s flood ‘fugitives’ Arapaima introductions in some American countries have caused a decline in native species, which in turn has affected local fisher livelihoods. 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… Arapaima - Buy Fish at best price of Rs 10000/piece from Thaikkattil Farm. The team called for an urgent need to develop and implement a nationwide ‘alien species management and eradication scheme’. 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. Some species may need to be addressed specifically. Call 1-877-367-4377 to order! Calling the 2018 floods one of the most “significant threats” to Kerala’s fish diversity, the team adds that the presence of alien arapaima (Arapaima gigas) and alligator gar (Atractosteus spatula) here is a serious concern for several reasons. Bony freshwater fish has been discovered from paddy fields of Kerala species, ” he added a family! 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