Magur attains the sexual maturity in:

Correct option is A

Correct Answer: (a) 1 year
Explanation:
→ Magur (Clarias batrachus) reaches first sexual maturity relatively early, commonly around 1 year under favorable pond conditions.
→ Early maturity is aided by warm temperatures, good nutrition and pond management.
Information Booster:
→ Males may mature slightly earlier than females; growth and maturity can vary with stocking density and feed.
Additional Information (Other Options):
(b–d) Represent later maturation ages seen only under poor growth or suboptimal conditions.