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Why in the News?
Recently, Researchers have discovered a new species of estuarine crab in the mangroves of Parangipettai near the Vellar River estuary in Tamil Nadu.
Key Points:
Image Source: The Hindu
About the news Species:
- The species has been named ‘Pseudohelice annamalai’ in recognition of Annamalai University’s 100 years of service in education and research.
- Feature:
- It is distinguished by dark purple to dark grey colouring, with irregular light brown, yellowish brown, or white patches on the posterior carapace with light brown chelipeds.
- It is small and has a maximum width of up to 20 mm.
- Distribution: The species discovered is distributed around the Indian subcontinent and the eastern Indian Ocean.
- Significance:
- The occurrence of Pseudohelice in India links the distribution gap between the western Indian Ocean and the western Pacific Ocean.
- It provides evidence of the geographic isolation of the eastern Indian Ocean for some marine organisms.
