New knowledge is making land-based smolt production more efficient and improving fish welfare in the process. Recirculation technology is solving the problem of access to an adequate supply of fresh water ...

Biology - Ecology

Jun 07, 2013 not rated yet 0

(Phys.org) —Researchers from Murdoch University's Freshwater Fish Group & Fish Health Unit and South Australian Museum have officially named Australia's newest freshwater fish: the Little Pygmy Perch (Nannoperca ...

Biology - Plants & Animals

Apr 16, 2013 not rated yet 0

(Phys.org) —A modified version of an eye test used to assess visual acuity in the military has been given to archerfish by scientists to help explain how these remarkable fish are able to accurately spit ...

Biology - Plants & Animals

Mar 21, 2013 5 / 5 (2) 0 |

The two endangered fish species, Squalius aradensis and S. torgalensis, most generally belong to the Cyprinidae, or the carp family. This is the largest fish, and vertebrate family, formed of freshwater ...

Biology - Ecology

Mar 21, 2013 not rated yet 0

Murdoch University researchers are leading a project to develop a salt-tolerant perennial crop capable of filtering fish farm waste water while providing feed for livestock.

Biology - Ecology

Feb 21, 2013 5 / 5 (1) 2

A study published in Conservation Letters this week found that freshwater ecosystems in the Amazon are highly vulnerable to environmental degradation. River, lake and wetland ecosystems—encompassing approximately one-fi ...

Space & Earth - Environment

Feb 04, 2013 1 / 5 (1) 0

The $15 billion ornamental fish industry faces a global problem with antibiotic resistance, a new study concludes, raising concern that treatments for fish diseases may not work when needed – and creating ...

Biology - Ecology

Jan 15, 2013 5 / 5 (1) 0

In an unusual mating strategy, hard-up males of a tiny, promiscuous fish species engage in homosexual acts in a bid to entice females to copulate with them, a study said Wednesday.

Biology - Plants & Animals

Dec 12, 2012 5 / 5 (3) 1

Scientists identify it as Salvelinus namaycush. Other names include mackinaw, lake char, touladi, togue, siscowet, and paperbelly. Lots of people call it, simply, a lake trout. It's a freshwater fish found in many northern ...

Biology - Ecology

Dec 06, 2012 not rated yet 0

As they develop, vertebrate embryos form vertebrae in a sequential, time-controlled way. Scientists have determined previously that this process of body segmentation is controlled by a kind of "clock," regulated by the oscillating ...

Biology - Cell & Microbiology

Nov 13, 2012 5 / 5 (2) 0 |

A fish's personality can influence how it responds to, and learns from threats, according to a new study by Professor Grant Brown from Concordia University in Canada and his colleagues. Their work, looking at how personality ...

Biology - Ecology

Oct 22, 2012 not rated yet 0

(Phys.org)—A University of Wisconsin-Madison researcher says states should be looking to the skies in order to save fish.

Biology - Ecology

Oct 11, 2012 5 / 5 (1) 0

Fishing hooks aren't the only hooks found in east-central Mexican waters. A new species of freshwater fish described by a North Carolina State University researcher has several interesting – and perhaps ...

Biology - Plants & Animals

Sep 27, 2012 4.3 / 5 (3) 0

(AP)—Bolivian President Evo Morales has enacted a law to protect Amazon river dolphins, which many researchers say are at risk.

Biology - Plants & Animals

Sep 18, 2012 2.5 / 5 (2) 0

(Phys.org)—Millions of people are in danger of going hungry if the construction of dams on the lower Mekong River in South-East Asia goes ahead, according to research from The Australian National University.

Space & Earth - Environment

Aug 27, 2012 5 / 5 (1) 3