Whale Shark, Biggest Fish in the World

Averaging in length to more than 7.6 m (25 feet), whale shark is the biggest fish in the world. They feed on macro-algae, plankton, krill, red crab larvae, and small nektonic life such as small squid or vertebrates. Like sharks, its skeleton is composed entirely of cartilage, and its skin, up to 4 inches thick, is scaleless, tough and leathery. People called it a whale shark because of its enormous size.

Whale shark with small fishes hitching a ride

Whale shark with small fishes hitching a ride. Image via

Whale sharks are filter feeder. Using it’s 1.5 metres (4.9 ft) mouth, they feed by sucking in a mouthful of water then closes its mouth and expels the water through its gills – trapping the tiny planktons in the dermal denticles which line its gill plates and pharynx. This fine sieve-like apparatus can trap anything above 2 to 3 millimetres (0.079 to 0.12 in) in diameter.

Whale shark with mouth open

Whale shark with it’s massive mouth open. Image via

Despite it’s ferocious look and size, Whale sharks are gentle giants. Apart from unintentional blows with it’s large tail fin, they does not pose significant danger to humans and even sometimes allow swimmers, divers and snorkelers, to hitch a ride.

Whale shark comapared to average human

Adult Whale shark comapared to average human. Image via

The largest Whale shark specimen was caught near Baba Island, in Karachi, Pakistan on November 11, 1947. It was 12.65 metres (41.50 ft) long, weighed more than 21.5 tonnes (47,000 lb), and had a girth of 7 metres (23.0 ft). Though there are stories of even larger ones, there are no scientific evidence that support it.

2 thoughts on “Whale Shark, Biggest Fish in the World

  1. Athur Daley Quotes

    Attractive element of content. I simply stumbled upon your weblog and in accession capital to assert that I get in fact enjoyed account your weblog posts. Any way I’ll be subscribing on your augment and even I achievement you get right of entry to constantly quickly.

  2. scratch cards

    I’ve been exploring for a bit for any high quality articles or weblog posts in this kind of space . Exploring in Yahoo I ultimately stumbled upon this web site. Reading this information So i am happy to convey that I’ve a very good uncanny feeling I found out exactly what I needed. I most indisputably will make sure to don?t omit this web site and give it a glance on a constant basis.

Leave a Reply