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Zebrafish

Bengaluru | Apr 29, 2020
Patterns of mating interactions in wild zebrafish now unravelled

Animal behaviour studies, which began in the 1970s, had a rocky start as they were viewed as a deviation from biological studies. They try to answer questions relating to why an animal's behaviour differs with different organisms and environmental factors, and the cost-benefits associated with each behaviour. Such studies help to understand not only the biology of the organism but also its ecological role. In one such study, Dr Anuradha Bhat and her group at the Indian Institute of Science Education and Research, Kolkata, have looked at the mating behaviour of zebrafish.

 

General, Science, Ecology, Deep-dive
Bengaluru | Dec 17, 2019
Study shows zebrafish use visual cues to find food in turbid water

Delhi’s winter haze is infamous for disrupting the air, railway and road traffic. With visibility dropping to near zero on a few days, life-threatening accidents spike during this season. Animals, on the other hand, seem to have a trick up their sleeves—they use sounds or visual cues to help them ‘see’ through low-visibility conditions. But what about fish? Can they navigate through turbid waters? Indeed, says a study by researchers at two Indian Institutes of Science Education and Research (IISERs), Mohali and Kolkata. The researchers have shown, for the first time, how zebrafish find food in turbid waters.

General, Science, Ecology, Deep-dive
Kolkata | Nov 6, 2017

An important aspect in the life of social animals is to gather information from others in their group. Young members of the group also learn how to forage, feed, evade predators and attract mating partners from older members. Scientists from Indian Institute of Science Education and Research, Kolkata explore how Zebra fish, that live in shoals of 20 individuals in the wild, learn informations from their partners in a laboratory environment.

General, Science, Ecology
Apr 13, 2017

When Charles Darwin put forth his theory of natural selection, he argued that all species of life evolved by adapting to their environments to survive. Most of such adaptations are evident in those life forms living in their natural habitat. But what about those that are locked up in laboratories and used as ‘model organisms’ in experiments to understand biological systems? How are their natural habitats and what kind of adaptations have they developed to survive in these habitats? A series of studies by scientists have now thrown some light on these questions in the life of zebrafish, a commonly used fish in laboratories.

General, Science, Ecology
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