Fish

Order of the Gauhati High Court regarding the use of formaldehyd for keeping fish in marketable condition for long duration, Assam, 19/04/2024

Order of the Gauhati High Court in the matter of Hasibur Rahman Vs State of Assam & Others dated 19/04/2024. The state of Assam vide Notification, January 20, 2024 has published a Standard Operating Procedures (SOP) for restricting import/stock/sale of fish imported from other than self sufficient states by road/river …

Threatened marine life

two-thirds of the uk 's fish stocks are on the verge of extinction and most of the country's coastal habitats have been destroyed. This was stated in a report of the World Wide Fund for Nature (wwf). The reason for this destruction is that for decades, sewage and chemical effluent …

KILLING SLICKS

Continuos oil slicks and coastal water pollution off the Chittagong coast of Bangladesh are reported to have killed 160 species of rare fishes and aquatic plants. Research has also indicated that oil spills are affecting the reproductive cycle of certain species. Oil spills from tankers cruising through the Bay of …

Blood on the beach

for decades I searched for them in vain. Finally, I found one, but not the way I would have preferred it. Lying on the shore of a coastal Gujarat village, barely alive, was the whale shark ( Rhincodon typus ) I had chased for most of my life. Fisherfolk were …

Salmon betrayed

the US government has postponed the demolition of four major dams in Washington, built on the Snake and Columbia rivers. The plan proposes to save wild salmons. The dams obstruct the migratory path of the salmon. But they also generate enormous quantities of electricity. Therefore, the decision to breach them …

Fighting mosquitoes

not malathion the pesticide, but the fish Gambusia affinis will be used this year by the New York City administration to fight mosquitoes. Health commissioner Neal L Cohen said the city had decided not to use malathion as it was under a safety review by the us Environmental Protection Agency …

Sunderbans threatened

the marine life in the Sunderban region of West Bengal faces increasing threat owing to indiscriminate exploitation of bio-organisms and intense commercial activities in the neighbouring areas. This was brought to the notice of the state government by marine scientist Amalesh Chowdhury. He said that a recent survey of the …

Trojan fish?

A single genetically-modified fish is enough to invade and wipe out local populations of fish species. William Muir and Richard Howard of Purdue University in West Lafayette, Indiana, USA, injected the human growth hormone gene, hGH , in embryos of fish called the Japanese medaka ( Oryzias latipes ). They …

Mysterious!

thousands of dead fish were found washed up along the coastal areas of Thiruvananthapuram in the third week of October. According to the department of fisheries, the fish belong to a group called file-fishes of the Balistidae family, locally known as klathi. The department said spontaneous changes in the deep …

Natural antifreeze

How do fish survive in the icy waters of the polar seas? By using an antifreezing device, just as motorists who want their car engines to work in sub-zero temperatures. Research by Chi-Hing Cheng and Liangbiao Chen of the University of Illinois in Urbana-Champaign, USA, shows that a gene in …

Wooing back the salmon

In a country like the us , laws once framed are supposed to be implemented. An excellent example is the Endangered Species Act ( esa ). Adopted in 1973, the law was framed with the sole intention of saving species on the brink of extinction

Strict environmental policies

Despite the opposition from political heads and hydropower companies against dam destruction, the emphasis in usa is firmly on restoration of salmon population, even if it means razing the dams. Environmental degradation by dams is also kept in check by monitoring the renewal of dam licenses and also by refusing …

Case for dam destruction

Extinct species: Not only have salmon populations been decimated, but entire stocks have disappeared. Prior to the 20th century, the Columbia River in the us Pacific Northwest supported some 200 distinct stocks of the fish. Today, 69 stocks have disappeared with another 75 on the brink of total extinction. Moreover, …

Fishing in truobled water

twenty per cent of the world's freshwater fish fauna is either extinct or on the verge of extinction, says Peter B Moyle of the department of wildlife, fish and conservation biology, University of California. India's freshwater biodiversity faces a fate no different. Habitat loss, pollution, increased sedimentation caused by deforestation, …

Shark secrets

Keeping ones mouth shut? Even the sharks know this, if we are to believe David Sims of the University of Aberdeen in the uk . According to Sims, basking sharks know when to keep their mouth shut, while they cruise the coast. He has also calculated that sharks need to …

Save the salmon

canada has barred fishing of sockeye salmon, an important Pacific Ocean salmon specie, after officials discovered that fewer fish returned to their river spawning grounds than had been expected. Commercial and recreational fishermen were ordered not to catch sockeye salmon bound for the Fraser River basin after the department of …

Sex change

according to the environmental group, Friends of Earth ( f o e ) an ici factory in Middlesborough is the uk 's largest polluter of a group of chemicals, alkylphenols, that has been shown to change the sex of fish. Basing its polluters' list on Environment Agency figures, f o …

Sharing the salmon

the fixed salmon catch quotas that existed under the original Pacific Salmon Treaty between the United States and Canada are now history. A new agreement based on abundance of the valuable food fish was concluded on June 3, 1999, resolving a long-standing dispute between the neighbouring nations. The new agreement …

New bacteria

according to a study conducted by the Central Institute of Fisheries Technology ( cift ) in Kerala, antibiotic residues are getting into farmed shrimps resulting in the emergence of new strains of antibiotic-resistant pathogenic bacteria. The results of the study done by P K Surendran and Nirmala Thampuran are likely …

The war in water

The invasion of exotics is as destructive in water as it is on land. These have rightly been described as "biotic oil spills'. A growing number of uninvited fish, molluscs, plants, plankton and assorted other creatures has turned the lakes into "a veritable soup of exotics.' An example of how …

EAST AFRICA

The European Union ( eu ) has banned fish imports from Tanzania, Kenya and Uganda. The decision was taken after reports that Uganda had restricted the sale of fresh fish products from Lake Victoria, the world's second largest freshwater lake that borders the three East African countries. Fisherfolk in the …

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