disposition in the Law topic by Longman Dictionary of Contemporary English | LDOCE | What you need to know about Law: words, phrases and expressions | Law English English English - Japanese English - Korean English - Spanish Japanese - English Spanish - English
Bull sharks have been found up the Mississippi River as far north as Illinois, and one was found 2,500 miles up the Amazon. Lake Nicaragua is full of bull sharks, known locally as Nicaragua sharks. The Zambezi River in Africa is home to many bull sharks, which are called Zambezi sharks there. After Hurricane Katrina, large numbers of bull sharks were reportedly seen swimming in Lake Pontchartrain. Bull shark moms tend to give birth in coastal lagoons, river mouths, and other estuaries.
Paradoxically, the two largest species of shark, that make also the largest fish species, are harmless for people, being plankton feeders, like the whales: the whale shark (Rhincodon typus) (up to 20 m (66 ft) long and 34 tonnes in weight), basking shark (Cetorhinus maximus) (up to 9.8 m (33 ft) long and 4 tonnes).