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2013-06-11 20:58:42

New research to improve environmental flow management of large dams A significant decline in the numbers of native fish in Australia's Murray-Darling Basin may be linked to released dam water being too cold for breeding. This is just one of the findings from a Griffith University led study which found current water releases back into the Murray-Darling system limit fish reproduction and therefore impact freshwater biodiversity. Griffith University Research Fellow Dr Rob Rolls said...


Latest Percichthyidae Reference Libraries

38_32b6aa7da2cece3a52b491baf27d5b01
2008-10-08 12:30:12

Alaska blackfish (Dallia pectoralis) are found only in Alaska and eastern Siberia. They typically live in the densely vegetated areas of lowland swamps, ponds, rivers, and lakes. Alaska blackfish are seldom longer than 8 inches, although individuals up to 13 inches have been found. They are distinguishable from other fish by their large paddle-like lower front fins and tail, tiny ventral lower middle fins, backward placement of their upper and anal fins, and rather broad, flat heads. Their...

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Word of the Day
omadhaun
  • A fool; a simpleton: a term of abuse common in Ireland and to a less extent in the Gaelic-speaking parts of Scotland.
This word is partly Irish in origin.