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crayfish

(Encyclopedia) crayfish or crawfish, freshwater crustacean smaller than but structurally very similar to its marine relative the lobster, and found in ponds and streams in most parts of the world?

crawfish

(Encyclopedia) crawfish: see crayfish.

DK Earth: Fishing

WHAT IS OVERFISHING? WHAT METHODS ARE USED BY THE FISHING INDUSTRY? FIND OUT MOREFish are an important food, so fishing is a major industry in many countries. However, overfishing has resulted in?

Crustaceans FAQ

Source: National Marine Fisheries Services' Northeast Fisheries Science CenterWhat is the difference between soft and hard shell crabs? They are the same species. A soft-shell crab is one that has?

Port Lavaca

(Encyclopedia) Port Lavaca l?v?k?, city (1990 pop. 10,886), seat of Calhoun co., S Tex., on Lavaca Bay; inc. 1907. A deepwater port of entry, it is a shipping point for an agricultural (corn, rice,?

decapod

(Encyclopedia) decapod d?k?p?d? (Gr.,=10 feet), name for invertebrate animals of the crustacean order Decapoda (phylum Arthropoda) including the crabs, the lobsters and crayfish, and the true?

carapace

(Encyclopedia) carapace kr?p?s, shield, or shell covering, found over all or part of the anterior dorsal portion of an animal. In lobsters, shrimps, crayfish, and crabs, the carapace is the part of?

raccoon

(Encyclopedia) raccoon, nocturnal New World mammal of the genus Procyon. The common raccoon of North America, Procyon lotor, also called coon, is found from S Canada to South America, except in parts?

Raumur, Ren Antoine Ferchault de

(Encyclopedia) Raumur, Ren Antoine Ferchault de r??myo?or, Fr. r?n? Ntwn f?rsh? d? r??mr, 1683?1757, French physicist and naturalist. He invented an alcohol thermometer (1731) and the?

mudpuppy

(Encyclopedia) mudpuppy, common name for North American salamanders of the genus Necturus, found in rivers and streams throughout the E United States and SE Canada. The name derives from an erroneous?