Quick answer
What players should assume before grinding the fish index
The BE A FISH BAIT fish index is safest to treat as an in-game catch log with milestone claims. Public guides now surface fish index reward intent, but exact thresholds and full reward bundles are still not public enough to publish as settled facts.
If you are chasing BE A FISH BAIT fish index rewards, the reliable move is to catch new entries, open the in-game index panel often, and claim pending milestones there instead of trusting copied numbers from random reposts.
Public search results now show a real fish index query family, so this page exists to cover the exact intent. The safe boundary is simple: milestone logic appears real, but per-tier counts, patch-stable bonuses, and every reward type still need direct creator-owned proof.