About Badis limaakumi:
- It is a new badis fish species discovered in Nagaland.
- It is locally known by many names, like “Tepdang” or “Akngashi (Chungli)” or “Aokngatsü (Mongsen)” or “Sempi” etc.
- It appears black in its natural habitat but undergoes a remarkable color change when placed in an aquarium or different environments.
- Features:
- It has a comparatively large and slender body.
- Absence of blotches on the sides and fins, as well as on the cleithrum.
- Large number of lateral-line scales.
Key Facts about Badis species:
- It is a genus of small freshwater fish belonging to the family Badidae.
- Fish from the Badis species are also called Chameleon fish due to their ability to change colour rapidly when breeding, when wanting to blend into their surroundings, or when stressed.
- Distribution: They are found in freshwater bodies like rivers, ponds, and marshes in northern India, eastern Pakistan, Bangladesh, Bhutan, and Nepal, including the Ganges, Brahmaputra, Mahanadi, and Indus basins.
- Currently, there are about 25 recognized badis species, out of which 15 have been reported from India.
- They are predatory in nature, feeding on tiny freshwater invertebrates.
Q1) What are Fish blotches?
When referring to “fish blotches,” it typically pertains to irregular or discolored markings or patterns on the skin or scales of fish. These blotches can be caused by various factors, including genetics, environmental conditions, diseases, or injuries. The appearance and significance of fish blotches can vary depending on the species of fish and the underlying causes.
Source: New fish species discovered in Nagaland, scientist names it after collaborator
Last updated on August, 2026
→ UPSC Mains 2026 will be conducted on 21st, 22nd, 23rd, 29th and 30th August 2026.
→ Check out the latest UPSC Syllabus 2026 here.
→ UPSC Mains Admit Card 2026 is expected to be released in early August at upsc.gov.in or upsconline.nic.in
→ Enroll in Vajiram & Ravi’s UPSC Mains Test Series 2027 for structured answer writing practice, expert evaluation, and exam-oriented feedback.
→ Join Vajiram & Ravi’s UPSC Mentorship Program 2027 for personalized guidance, strategy planning, and one-to-one support from experienced mentors.
→ Go through the UPSC Mains Previous Year Papers to enhance your preparation.
→ Download UPSC Mains Essay Paper 2025, UPSC Mains GS Paper-I 2025, UPSC Mains GS Paper-II 2025, UPSC Mains GS Paper-III 2025, UPSC Mains GS Paper-IV 2025, UPSC Mains English (Compulsory) Paper 2025, UPSC Mains Hindi (Qualifying) Paper 2025 here.
→ UPSC has released UPSC Toppers List 2025 with the Civil Services final result on its official website.
→ UPSC Calendar 2027 has been released.
→ Also check Best UPSC Coaching in India







