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Signac, Paul

(Encyclopedia)Signac, Paul pōl sēnyäkˈ [key], 1863–1935, French neoimpressionist painter. First influenced by Monet, he was later associated with Seurat in developing the divisionist technique. Interested in ...

air bladder

(Encyclopedia)air bladder, in fish: see swim bladder. ...

lionfish

(Encyclopedia)lionfish, common name for a genus (Pterois) of the family Scorpaenidae (see rockfish), comprising venomous subtropical marine fish native to the South Pacific, the Indian Ocean, and the Red Sea. Nativ...

carp

(Encyclopedia)carp, hardy freshwater fish, Cyprinus carpio, the largest member of the minnow family; it is also known as the common carp. A native of Black, Caspian, and Aral sea basins of Eurasia, the carp has bee...

betta

(Encyclopedia)betta bĕtˈə [key] or fighting fish, small, freshwater fish of the genus Betta, found in Thailand and the Malay Peninsula. Best known is the Siamese fighting fish, Betta splendens. Mature males of t...

midshipman

(Encyclopedia)midshipman or midshipman fish: see toadfish. ...

mercury poisoning

(Encyclopedia)mercury poisoning, tissue damage resulting from exposure to more than trace amounts of the element mercury or its compounds. Elemental mercury (the silver liquid familiar from thermometers) is the mos...

catfish

(Encyclopedia)catfish, common name applied to members of the fish families constituting the order Siluriformes, found in fresh and coastal waters. Catfish are named for the barbels (“whiskers”) around their mou...

Lemieux, Mario

(Encyclopedia)Lemieux, Mario ləmyöˈ [key], 1965–, Canadian ice hockey player, b. Montreal. A star for the Pittsburgh Penguins, he was the team's first pick in the 1984 National Hockey League (NHL) draft and wa...

Beaufort, Margaret, countess of Richmond and Derby

(Encyclopedia)Beaufort, Margaret, countess of Richmond and Derby bōˈfərt, därˈbē [key], 1443–1509, English noblewoman, mother of Henry VII. She was the daughter and heiress of John, 1st duke of Somerset, an...