chitons

The recent study about chitons has brought some fascinating news about these small marine creatures: their teeth are harder than stainless steel, zirconium oxide, and even human enamel. This amazing strength likely gives chitons an edge in scraping food from hard surfaces, especially in their rocky habitats.

About Chitons:

Scientific Classification: Chitons belong to the phylum Mollusca, which also includes sea snails, sea slugs, and bivalves.
Habitat: They are marine invertebrates, found worldwide, especially in warm regions.
Species: There are approximately 600 species of chitons, typically placed in the class Placophora, Polyplacophora, or Loricata.

Key Features of Chitons:

Shape and Appearance:
- Chitons are usually oval-shaped and come in different colors, including shades of grey, brown, red, green, and pink.
Body Structure:
- Their dorsal (upper) surface features a row of eight overlapping plates, which are surrounded by a tough girdle. This arrangement helps provide protection.
Movement and Feeding:
- Chitons have a large, flat foot that helps them creep along and cling to rocks.
- They have a radula, a file-like structure, used to scrape algae and other food from the surface of rocks.
Size and Flexibility:
- Most chitons are around 5 cm (2 inches) in length. Despite their small size, they are extremely flexible, fitting into rock crevices or curling into a ball if detached.
- They can also adhere strongly to rocks, so much so that they may get injured if pried loose.
Life Span:
- Chitons can live anywhere from a few years to up to 20 years.
Nocturnal Behavior:
- They are primarily nocturnal, meaning they are most active at night.

Source: THE HINDU

Join Our Telegram

AI Impact Summit 2026 UPSC GS-3 S&T PT-MAINS

India’s Indo-Pacific Oceans Initiative (IPOI) UPSC GS-2 INDO PACIFIC – IR/PSIR

20 Nov, 25
SHARE

India’s Indo-Pacific Oceans Initiative (IPOI) UPSC GS-2 INDO PACIFIC – IR/PSIR IPOI is India’s open, voluntary and non-treaty-based maritime initiative for building a free, open, inclusive and rules-based Indo-Pacific through practical cooperation. Why in News? India’s Indo-Pacific Oceans Ini

AI Impact Summit 2026 UPSC GS-3 S&T PT-MAINS

19 May, 26
SHARE

AI Impact Summit 2026 UPSC GS-3 S&T PT-MAINS The India-AI Impact Summit 2026 positioned India as a Global South leader by shifting global AI debate from only AI safety and regulation to AI for development, inclusion and real-world impact. Why in News? India hosted the India-AI Impact Summit 2026 at B

Hong Kong Convention for Safe Ship Recycling UPSC GS-3 ENVIRONMENT PT-MAINS

27 Jun, 25
SHARE

Hong Kong Convention for Safe Ship Recycling UPSC GS-3 ENVIRONMENT PT-MAINS The Hong Kong International Convention, 2009 is an IMO treaty that ensures ships are recycled safely without unnecessary risk to human health, worker safety and the environment. Why in News? The Hong Kong Convention entered into force on 26 June 2

LeadIT 2.0: Leadership Group for Industry Transition COP28 UPSC GS-2 IR GS-3 S&T

14 Nov, 23
SHARE

LeadIT 2.0: Leadership Group for Industry Transition UPSC GS-2 IR GS-3 S&T LeadIT 2.0 is the second phase of the India-Sweden-led global initiative to support low-carbon transition in hard-to-abate industrial sectors. Why in News? The second phase of LeadIT was announced at the LeadIT Summit 2023, ho

India-EFTA Trade and Economic Partnership Agreement UPSC GS-2 IR/PSIR

03 Sep, 25
SHARE

India-EFTA Trade and Economic Partnership Agreement UPSC GS-2 IR/PSIR The India-EFTA TEPA is a comprehensive trade pact between India and four non-EU European countries — Iceland, Liechtenstein, Norway and Switzerland — aimed at boosting trade, investment, jobs, services, technology and supply-chain resilience. Wh