Step 1: Understanding the Concept:
Sardines are important pelagic fishery resources in India.
They are divided into two main categories: the Indian oil sardine (Sardinella longiceps) and several species of lesser sardines (Sardinella fimbriata, S. gibbosa, S. albella, etc.).
Step 2: Detailed Explanation:
The Indian oil sardine dominates pelagic landings along the southwest coast of India (principally Kerala and Karnataka).
In contrast, lesser sardines are widely distributed along both coasts, but their commercial fishery is highly prominent and contributes the maximum catch on the Southeast coast of India (especially Tamil Nadu and Andhra Pradesh).
Step 3: Final Answer:
The maximum catch of lesser sardines is produced on the Southeast coast, which corresponds to option (B).