Columbia Encyclopedia

Search results

500 results found

remora

(Encyclopedia)remora rĕmˈərə [key], any of the several species of warmwater fishes of the family Echeneidae, characterized by an oval sucking disk on the top of the head. With this apparatus (a modification of ...

toadfish

(Encyclopedia)toadfish, common name for the sluggish, bottom-feeding fishes of the family Batrachoididae, found mainly in marine and brackish waters worldwide. Toadfishes feed largely on crustaceans and small fishe...

Sierra Club

(Encyclopedia)Sierra Club, national organization in the United States dedicated to the preservation and expansion of the world's parks, wildlife, and wilderness areas. Founded (1892) in California by a group led by...

Cotonou

(Encyclopedia)Cotonou kōtōno͞oˈ [key], city, capital of Atlantique prov., S Benin, on the Gulf of Guinea. ...

giardiasis

(Encyclopedia)giardiasis jēärdīˈəsĭs, järdīˈəsĭs [key], infection of the small intestine by a protozoan, Giardia lamblia. Giardia, which was named after Alfred M. Giard, a French biologist, is spread via...

darter, bird

(Encyclopedia)darter or anhinga ănhĭngˈgə [key], common name for a very slender, black water bird very closely related to the cormorant. It frequents the wooded borders of freshwater lakes, rivers, and swamps i...

porgy

(Encyclopedia)porgy pôrˈgē [key], common name for members of the Sparidae, a family of small-mouthed fishes with strong teeth adapted for crushing their food of shellfish and crustaceans. Porgies are found in wa...

jewelweed

(Encyclopedia)jewelweed, common name for the Balsaminaceae, a family of widely distributed annual and perennial herbs. The principal genus is Impatiens, so named because of the sudden bursting of the mature seed ca...

guinea fowl

(Encyclopedia)guinea fowl gĭnˈē [key], common name for any of the seven species of gallinaceous birds of the family Numididae, native to Africa and Madagascar. The helmeted guinea fowl, Numida meleagris, from wh...

arapaima

(Encyclopedia)arapaima ărˌəpīˈmə [key], tropical fish, genus Arapaima, of the Amazon basin. Arapaimas are perhaps the largest of the strictly freshwater fishes, reportedly reaching a length of 15 ft (4.5 m), ...