fishes

Fishing ban guards coral reefs against predatory starfish outbreaks

harminka — Mon, 21 Jul 2008 11:37:01 -0500

No-take marine reserves where fishing is banned can have benefits that extend beyond the exploited fishes they are specifically designed to protect, according to new evidence from Australia's Great Barrier Reef reported in the July 22nd issue of Current Biology, a Cell Press publication.

Model successfully predicts large river system fish diversity

harminka — Fri, 09 May 2008 07:44:38 -0500

While scientists have developed methods to predict aspects of fish diversity in specific river locations, a model to understand what factors may drive a comprehensive suite of fish biodiversity patterns in a large and complex system of rivers has been elusive.

5th annual Keys bonefish population census results announced

harminka — Tue, 26 Feb 2008 12:08:02 -0600

Results are in from last year’s fifth annual Bonefish Population Census in the Florida Keys and the bonefish population has remained fairly steady from 2006, however, the number of volunteers participating in the annual event continues to grow.

Sturgeon harvesting season still continues

seher — Mon, 11 Feb 2008 11:35:54 -0600

Sturgeon fishers did not fear to experience Sunday chilly weather and cold to catch 297 sturgeons. The number of harvested fish was not enough for the State Department for Natural Resources to end the 2008 season.

Tiny fish can yield big clues to Delaware River health

harminka — Tue, 13 Nov 2007 14:31:53 -0600

Where have all the bridle shiner gone? That’s the mystery The Academy of Natural Sciences’ fish scientists are trying to answer, and the outcome will shed light on the environmental health of the Upper Delaware River.

more than 500 million years old elusive jellyfish revealed

harminka — Wed, 31 Oct 2007 11:57:42 -0500

Using recently discovered “fossil snapshots” found in rocks more than 500 million years old, three University of Kansas researchers have described the oldest definitive jellyfish ever found.

New light trap captures larval stage of new species

harminka — Wed, 24 Oct 2007 14:36:12 -0500

When David Jones, a fisheries oceanographer at the Cooperative Institute for Marine and Atmospheric Studies (CIMAS) located at the University of Miami’s Rosenstiel School, set out to design a better light trap to collect young reef fishes, he never imagined his invention would contribute to the discovery of a new species.

Insomniac fish shed light on molecular basis of sleep disorders

harminka — Tue, 16 Oct 2007 07:16:48 -0500

Sleep disorders are common and poorly understood. In humans, narcolepsy is a sleep disorder associated with sleepiness, abnormal dreaming, paralysis and insomnia. Neuropeptides called hypocretins are implicated in this disorder.

Fish get insomnia, eyes wide open

harminka — Tue, 16 Oct 2007 07:04:39 -0500

Scientists at the Stanford University School of Medicine have hooked a fish that suffers from insomnia in their quest to understand the genetics behind sleep disorders.

The difference between fish and humans

harminka — Wed, 10 Oct 2007 13:50:36 -0500

Embryologists at UCL (University College London) have helped solve an evolutionary riddle that has been puzzling scientists for over a century. They have identified a key mechanism in the initial stages of an embryo’s development that helps differentiate more highly evolved species, including humans, from less evolved species, such as fish.

Ancient African megadroughts may drive evolution of humans, fishes

harminka — Tue, 09 Oct 2007 06:57:52 -0500

From 135,000 to 90,000 years ago tropical Africa had megadroughts more extreme and widespread than any previously known for that region, according to new research.

Biologist Researches Sharks’ Bite Force

harminka — Sat, 25 Aug 2007 01:54:13 -0500

While sharks instill fear in beachgoers worldwide, they instill a deep sense of curiosity in UT assistant professor and shark expert Dan Huber.