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39_0f7c1c719eac7ccf9819cae26ecd517e
2007-03-26 13:10:26

The Northern snakehead (Channa argus) is a fish native to China, Russia, and Korea. In the United States, the fish is considered to be a highly invasive species. The distinguishing features of the northern snakehead are a long dorsal fin, small head, large mouth, big teeth, length up to 40 in (1.0 m), and weight up to 15 lb (7 kg). The northern snakehead is a freshwater species and cannot tolerate salinity in excess of ten parts per thousand (Courtenay and Williams 2004). The fish's...

0_ece7a7452c980f6d9af85b0f26faea55
2005-09-12 09:50:15

Aedes albopictus (Family Culicidae), the Asian Tiger Mosquito or Forest Day Mosquito, is characterized by its black and white striped legs and small, black and white body. It was native to south-east Asia, and occupied a habitat that spread from Madagascar eastward to New Guinea, and north to the latitude of Korea. The typical member of the Aedes albopictus has a length of about 5 mm. As with other members of the mosquito family, the female is outfitted with an elongated proboscis that she...

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Word of the Day
lunula
  • A small crescent-shaped structure or marking, especially the white area at the base of a fingernail that resembles a half-moon.
This word is a diminutive of the Latin 'luna,' moon.
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