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sable

(Encyclopedia)sable, species of marten, Martes zibellina, found in Siberia, N European Russia, and N Finland. This carnivorous mammal is highly valued for its thick, soft fur, which is dark brown or black, sometime...

mullet

(Encyclopedia)mullet, blunt-nosed, tropical and temperate water fishes of the family Mugilidae, found worldwide. Small schools of mullets frequent shallow waters, feeding on aquatic plants and on mud, which is grou...

Krogh, Schack August Steenberg

(Encyclopedia)Krogh, Schack August Steenberg shäk ouˈgo͝ost stānˈbĕrg krôkh [key], 1874–1949, Danish physiologist. He taught at the Univ. of Copenhagen (1916–45) and studied respiration, circulation, and...

aquarium

(Encyclopedia)aquarium, name for any supervised exhibit of aquatic animals and plants. Aquariums are known to have been constructed in ancient Rome, Egypt, and Asia. Goldfish have been bred in China for several hun...

armadillo

(Encyclopedia)armadillo ärˌmədĭlˈō [key], New World armored mammal of the order Edentata, a group that also includes the sloth and the anteater, characterized by peglike teeth without roots or enamel. Armadil...

coot

(Encyclopedia)coot, common name for a migratory marsh bird related to rails and gallinules and found in North America and Europe. The American coot (Fulica americana), or mud hen, is slate gray with a white bill, b...

caddis fly

(Encyclopedia)caddis fly, any of various insects of the order Trichoptera, with four hairy wings usually held back rooflike over the abdomen, long antennae, and chewing mouthparts. The aquatic larvae, or caddis wor...

caracal

(Encyclopedia)caracal kărˈəkəl [key] or Persian lynx, mammal of the family Felidae (cat family), native to Asia and Africa. The caracal, Caracal caracal, is reddish brown with black-tufted ears. Its total lengt...

Aldus Manutius

(Encyclopedia)Aldus Manutius älˈdō mäno͞oˈtsyō [key], 1450–1515, Venetian printer. He was educated as a humanistic scholar and became tutor to several of the great ducal families. One of them, the Pio fami...

pickerelweed

(Encyclopedia)pickerelweed, common name for the Pontederiaceae, a family of chiefly tropical perennial aquatic herbs found in freshwater. The pickerelweeds (genus Pontederia) range north into temperate regions, inc...