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Fish Species spotted using tools

Why is it in the news?

  • Three new fish species have been observed using tools in the Laccadive Sea.

More about the news

  • Jansen鈥檚 wrasse (Thalassoma jansenii) and the checkerboard wrasse (Halichoeres hortulanus) had not previously been observed using tools. This is the first documented instance of the moon wrasse (Thalassoma lunare) using tools in the wild.
  • All three species utilize live or dead coral structures as anvils to break sea urchin shells to access edible parts.
  • Instances of chimpanzees using straws for drawing water and crows fashioning leaves to extract insects from crevices are well known. However, reports of aquatic animals using tools are less common due to challenges in observation and the perception of fish as ‘less intelligent’.

(Clockwise from top left) A checkerboard wrasse at Kavaratti Island, Lakshadweep, using the reef platform as an anvil to break the sea urchin鈥檚 test and prey on it.

The Laccadive Sea

路聽 聽The Laccadive Sea, also known as the Lakshadweep Sea, borders India, the Maldives, and Sri Lanka.

路聽 聽 Positioned southwest of Karnataka, west of Kerala, and south of Tamil Nadu.

路聽 聽Characterized by stable water temperatures year-round and rich marine biodiversity.


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