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 …

A survey of freshwater fishes of Andaman Islands

A survey of the freshwater fish community was conducted in five large islands of the Andaman archipelago. The objective of the study was to make a complete inventory of freshwater fishes and ascertain the status of fish species reported by Herre (1939).

Hormone disruption by PBDEs in adult male sport fish consumers

Persistent pollutants, such as polychlorinated biphenyls (PCBs), affect endocrine function. Human exposure to polybrominated diphenyl ethers (PBDEs), which are similar in structure to PCBs, has increased recently, but health effects have not been well studied. Our goal in this study was to determine whether PBDE body burdens are related to …

New fish discovered

Sri Lankan ichthyologists have discovered a new species of freshwater fish in the south western wet zone which they have named Puntius Kelumi or Kelum

25,000 fish die in Siddapura lake

DH News Service, Bangalore: In a tell-tale reminder of the extent of pollution in water bodies in the City, at least 25,000 fish died due to contamination in Siddapura lake. The fish had died three days ago, but they surfaced only on Wednesday. The residents were in for a rude …

Mahseer in danger

illegal sand extraction upstream of Cauvery has put the Deccan mahseer in danger.

Coral-killing starfish turns out to be four species, not one

The crown-of-thorns starfish, a notorious threat to coral in the Indian and Pacific Oceans, comprises four species, not one, biologists reported on Tuesday. The spiny predator, known by its Latin name of Acanthaster planci, has been a worsening peril to reefs for at least three decades, latching onto coral polyps …

Visceral organ toxicity of insecticides in the fish, Oreochromis Mosambicus

The effects of pesticides and other chemicals have been studied by many workers in fishes. In the present study the effect of pesticides endosulphan and sonatox on some visceral organs of Oreochromis mosambicus have been observed the renal tissues affected and showed remarkable karyo and cytometric change. Lipid content was …

Chronic renal failure among farm families in cascade irrigation systems in Sri Lanka associated with elevated dietary cadmium levels in rice and freshwater fish (Tilapia)

Chronic renal failure (CRF), in the main agricultural region under reservoir based cascade irrigation in Sri Lanka has reached crisis proportion. Over 5,000 patients in the region are under treatment for CRF. The objective of this study is to establish the etiology of the CRF. Concentrations of nine heavy metals …

FDA Issues Rules for Genetically Modified Animals

Animals genetically engineered to produce drugs and healthier foods will be subjected to review to help protect consumers from any unknown risks, the US Food and Drug Administration said on Thursday. The FDA published detailed proposed guidelines that producers of genetically engineered animals would have to follow to determine if …

Aquarium Releases Sharks Off Sydney Beach for Study

A Sydney aquarium released seven sharks bred in captivity and tagged with acoustic tracking devices into the waters off a city beach on Tuesday to study if it is feasible to breed sharks to restock dwindling wild numbers. The two-year-old wobbegong, or carpet sharks, measuring up to 80 cms in …

What is your dinner doing to the climate?

Your shopping basket is spewing greenhouse gases. But don't worry, you can easily cut out the culprits: a report.

Lagoons of deadly fishes

It was 3:00pm on Monday. A man and a woman were busy catching fish in a lagoon of the waste treatment plant in Pagla of Narayanganj. The lagoon was just next to another lagoon where poison was applied on August 30 to kill the fish in it as they were …

Chemicals endanger fish resources

FISH is the cheaper and main source of dietary protein for the nearly 150 million people of Bangladesh and will be depended upon in the diet for all aspects of nutrition by an even bigger population in the future. But this source of nutrition is already under a threat due …

Chemical waste kills thousands of fish

Phoolnagar police have registered a case against five officials of a food company on the application of a fish farmer who has alleged that the company's poisonous chemical waste has killed thousands of fish in his farm in Gagar village. Rafhan Foods was dumping its chemical waste at an open …

Steps urged to prevent fish mortality in rainy season

In the rainy season every year when the weather remains overcast and the sun rarely shines, dissolved oxygen in fish farms decreases to a lethal level which may cause mass scale fish mortality leading to huge financial losses due to collapse of the fish crop. Director General, Fisheries Punjab Dr …

Impact of endosulfan on some haematological parameters of Channa Punctatus (Bloch)

Endosulfan, an organochlorine insecticide widely used in the paddy field, tea garden of Assam and N.E. India, creates serious threat to the environment as well as target and non-target organisms like aquatic and land dwelling animals. The present investigation was undertaken to study the effects of endosulfan on some hematological …

Acute toxicity of phosphate fertilizer to Tilapia Zillii fingerlings

The acute toxicity of phosphate fertilizer on the survival level of Tilapia Zillii fingerlings was determined in 96hr static bioassay. The fish were exposed to different phosphate fertilizer concentrations. During the exposure period, there were frequent attempts at jumping out of the tank, loss of equilibrium, agitated swimming, air gulping …

Effect of an insecticide (Monocrotophos) on some biochemical constituents of the fish Tilapia Mossambica

The effects of an insecticide monocrotophos on some biochemical parameters of the fish, Tilapia mossambica at 24, 48, 72 and 96 hrs of exposures were studied. Median lethal concentration of monocrotophos to the fish for 24 hour exposure was determined during bioassay study. The protein contents were found to be …

Antibodies from shark could soon save lives

Scientists in Australia claim to have created the world's first library of shark antibodies that have been modified to target diseases, like malaria, and could lead to new treatments. According to them, the process involves taking genes from sharks and modifying them in a laboratory just by adding proteins that …

Genetic variation in glutathione-related genes and body burden of methylmercury

Exposure to toxic methylmercury (MeHg) through fish consumption is a large problem worldwide, and it has led to governmental recommendations of reduced fish consumption and blacklisting of mercury-contaminated fish. The elimination kinetics of MeHg varies greatly among individuals. Knowledge about the reasons for such variation is of importance for improving …

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