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Green Swordtail
2009-01-17 21:00:25

The Green Swordtail (Xiphophorus hellerii) is a species of freshwater fish native to an area of North and Central America stretching from Veracruz, Mexico, to northwestern Honduras. It has been introduced to a number of countries and has become a nuisance pest. It has caused ecological damage because of its ability to rapidly reproduce in high numbers. Feral populations have established...

Word of the Day
quilisma
  • In medieval musical notation, a sign or neume denoting a shake or trill.
The word 'quilisma' comes from a Greek word meaning 'a roll'.