21.02.2024
Vaitarna River , Daily Current Affairs , RACE IAS: Best IAS Coaching in Lucknow 
	
		
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			 For the Prelims:About Vaitarna River, Key facts about Bull Shark 
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Why in the  news?
Recently, the bull shark attacked a fisherman in Vaitarna river at Dongripada in Maharashtra’s Palghar district was the first sighting of a bull shark 40 km upstream in the river.
 
About Vaitarna River:
	- It is one of the west flowing rivers in the region North of Mumbai and South of the Tapi River.
 
	- It originates in the Trimbakeshwar Hills of Nasik district of Maharashtra.
 
	- It receives most of the rainfall from the South West monsoon during June to October. Almost 98% of the annual rainfall of the basin is received during this period.
 
	- Tributaries: The main tributaries are Pinjal, Ganjai, Surya, Daharji and Tansa.
 
	- The catchment area of Vaitarna basin completely lies in Thane and Nasik districts of Maharashtra.
 
	- It drains an area of 2019 sq. km before it falls into the Gulf of Khambhat.
 
 
Key facts about Bull Shark
	- They’re known to be aggressive towards humans and are thought to be one of the most dangerous shark species in the world.
 
	- Habitat: These are frequently spotted in tropical coastal areas worldwide, including shallower waters along coastlines.
 
	- Bull sharks have a unique ability to tolerate freshwater and saltwater habitats, meaning they can sometimes be found venturing into rivers and travelling great distances upstream.
 
	- It reproduces through viviparity, the process in which the embryo develops within the mother’s body, leading to live birth.
 
Conservation status
IUCN: Vulnerable
                                         Source: Hindustan times