Under increasing global warming, tropical fish are escaping warmer seas by extending their habitat ranges towards more temperate waters.
Ecology
Feb 08, 2021
1
390
The water-to-land transition is a leap in the history of vertebrate evolution and one of the most important scientific issues in vertebrate evolution. Previous studies have shown that vertebrate landing occurred in bony fishes.
Evolution
5 hours ago
1
24
Selenium contamination of freshwater ecosystems is an ongoing environmental health problem around the world. A naturally occurring trace element, selenium levels are high in some geologic formations like sedimentary shales ...
Environment
Feb 23, 2021
1
47
Fishing primarily removes larger and more active fish from populations. It thus acts as a selection factor that favors shy fish, as a recent study by the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB) ...
Plants & Animals
Feb 23, 2021
0
647
The way a fish swims reveals a lot about its personality, say scientists
Plants & Animals
Feb 23, 2021
0
29
A new study from Australia's national science agency, CSIRO, in waters off the Western Australian coast has showed floating a special kind of filter paper in seawater can reveal which species are present in an area.
Ecology
Feb 23, 2021
1
96
A team of researchers from several institutions in France and China has conducted a decade-long study of the degree of human impact on river systems around the world over the past two centuries. In their paper published in ...
Scientists have discovered a never-before-seen biodiversity pattern of coral reef fishes that suggests some fishes might be exceptionally vulnerable to environmental change.
Ecology
Feb 17, 2021
1
73
Scientists have little understanding of the role fishes play in the global carbon cycle linked to climate change, but a Rutgers-led study found that carbon in feces, respiration and other excretions from fishes—roughly ...
Environment
Feb 17, 2021
1
45
A lack of ice in cold weather states this year has made it difficult for scientists to study the population of an ecologically important fish.
Ecology
Feb 15, 2021
0
11
Tetrapods
A fish is any aquatic vertebrate animal that is typically ectothermic (or cold-blooded), covered with scales, and equipped with two sets of paired fins and several unpaired fins. Fish are abundant in the sea and in fresh water, with species being known from mountain streams (e.g., char and gudgeon) as well as in the deepest depths of the ocean (e.g., gulpers and anglerfish).
Food prepared from fish is also called fish, and it is an important food source for humans. They are harvested either from wild fisheries (see fishing) or farmed in much the same way as cattle or chickens (see aquaculture). They are also exploited by recreational fishers and fishkeepers, and are exhibited in public aquaria. Fish have had a role in many cultures through the ages, ranging from deities and religious symbols to the subjects of books and popular movies.
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