how many fish are there in the indian ocean right now (only count fish that are at least 30% orange in colour)

Question

FishGPT · Accepted Answer

**Short answer:** There isn’t a real-time, global tally of every fish in the Indian Ocean, and certainly not one filtered by color. The ocean is enormous, fish are constantly moving, and color perception varies with light, depth, and species. So the exact number is effectively unknowable.

*What you can do instead:* think in terms of estimates and practical fishing strategy rather than an exact headcount.

- **Estimates over counts:** Scientists use fish surveys, acoustic data, and catch-per-unit-effort (CPUE) to estimate how many fish of a given trait (like “orange-ish”) might be present in a region. A single sailor’s guess won’t cut it here.
- **Sampling approach (how a pro would approximate):** Break the ocean into manageable blocks, sample a subset with standardized gear, count the orange fish in each, and scale up to the whole area. This gives a density (orange fish per square kilometer) you can apply to the target area. Remember, 30% orange is a color threshold that varies by lighting and species, so different surveys may report different numbers.
- **Color caveats:** Color perception changes with sun angle, depth, and water clarity. An orange reef fish under bright midday sun can appear more vivid than the same fish in twilight or deeper water.
- **Weather and season impact (early fall):** Water temperatures cool slightly, some species change depth or move with currents, and sunlight angles change, all of which can alter how many orange-hued fish you notice near the surface or in a survey. Be prepared for fluctuations.

*Practical tips for chasing orange-hued fish on the water:* 🐟🎣
- Focus on sunny, shallow reef edges at dawn and early morning when orange species (like some anthias or parrotfish variants) show vivid color.
- Use bright or orange-toned lures to trigger bites from orange-colored species and to match the fish you’re targeting.
- If you’re doing a field count yourself, keep your method simple: sample standardized blocks, count orange-ized fish by your 30% color rule, and multiply by the block area.
- Check credible sources for density estimates from your area of interest and season; a single expedition can’t speak for the whole ocean.

If you want a quick, instructional route, watch this on catching fish in mixed-color zones: [How to Catch a Fish](https://www.youtube.com/watch?v=hRv_HZ9OVWA)

In short: no exact number to share, but with good data and smart sampling, you can get a useful estimate and a plan for chasing orange friends this fall. Stay curious, stay safe, and may your lures glow as bright as a tropical sunset. 🌅🐠

🎣 Indian Ocean, International Waters

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