Step 1: Understanding Mahaseer.
Mahaseer is a large freshwater fish found in rivers across India. It is especially found in the river systems of Godavari, Ganga, and others, but the Godavari is particularly known for its abundant population of Mahaseer fish.
Step 2: Identifying the correct river.
- (A) Krishna is incorrect as Mahaseer is not prominently found in the Krishna river.
- (B) Godavari is correct as Mahaseer is known to thrive in the waters of the Godavari river.
- (C) Kaveri is incorrect because the Kaveri river is not particularly known for Mahaseer.
- (D) Ganga is incorrect because, while Mahaseer is found in the Ganga, the Godavari river is more famous for it.
Step 3: Conclusion.
Thus, the correct answer is (B) Godavari.