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whale shark

(Encyclopedia)whale shark, large, plankton-eating shark, Rhincodon typus, found in all tropical seas of the world. Whale sharks are the largest fish in the world. A female typically reaches about 46 ft (14 m) in le...

triggerfish

(Encyclopedia)triggerfish, any of several species of tropical reef fishes with laterally compressed bodies, heavy scales, and tough skins. They are named for the mechanism of the three spines of the dorsal fin: whe...

Campbell, William Cecil

(Encyclopedia)Campbell, William Cecil, 1930–, Irish-American biologist and parasitologist, b. Derry, Northern Ireland, Ph.D. Univ. of Wisconsin–Madison, 1957. He became a U.S. citizen in 1962. From 1957 to 1990...

Cayenne

(Encyclopedia)Cayenne kīĕnˈ, kāĕnˈ [key], city and district (2021 est. pop. 61,550), capital of French Guiana, on Cayenne isl...

cashew

(Encyclopedia)cashew kăshˈo͞o, kəsho͞oˈ [key], tropical American tree (Anacardium occidentale) of the family Anacardiaceae (sumac family), valued chiefly for the cashew nut of commerce. The tree's acrid sap i...

bamboo

(Encyclopedia)bamboo, plant of the family Poaceae (grass family), chiefly of warm or tropical regions, where it is sometimes an extremely important component of the vegetation. It is most abundant in the monsoon ar...

python, in zoology

(Encyclopedia)python pīˈthŏn [key], name for nonvenomous constrictor snakes of the boa family, found in the tropical regions of Africa, Asia, Australia, and the S Pacific islands. Pythons climb and swim expertly...

piculet

(Encyclopedia)piculet pĭkˈyələt [key], common name for a small bird of the family Picidae, which includes the woodpecker and the wryneck. Like the true woodpeckers, piculets are large-headed and have long, stic...

oxalis

(Encyclopedia)oxalis ŏkˈsəlĭs [key] or wood sorrel, any species of the plant genus Oxalis. Most of the cultivated kinds are tropical herbs used as window plants. The leaves are usually cloverlike and respond to...

Petén

(Encyclopedia)Petén pātānˈ [key], region, c.15,000 sq mi (38,850 sq km), N Guatemala. A humid expanse of dense, tropical hardwood forests interrupted by savannas and crisscrossed by ranges of hills, it is relat...