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Fisheries & Aquaculture (Natural Resources, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Fisheries & Aquaculture (Natural Resources, Kindle eBooks), updated Nov 2, 2026: median price $9.99, median 25 reviews, average rating 4.4 and a KDPTop opportunity score of 21/100 (highly competitive).
| Price range (middle 50%) | $5.99 – $14.99 |
|---|---|
| Average rating | 4.4 |
| New releases (90 days) | 1% |
| Books on the list | 100 |
| Store | Kindle eBooks |
What stands out
- Only 1% of its best sellers are under 90 days old, fewer than in 97% of Kindle eBooks categories: established titles hold the list.
- Its median reviews are 17% of the parent category Natural Resources (148), one of the easier corners under it.
- Prices spread wide: the middle half runs from $5.99 to $14.99, so budget editions and premium or boxed sets sell side by side.
Top 10 Fisheries & Aquaculture best sellers
-
The Perfect Storm: A True Story of Men Against the Sea
- List rank#1
- Price$9.10
- Rating4.6
- Reviews3,383
-
Leviathan: The History of Whaling in America
- List rank#2
- Price$9.99
- Rating4.5
- Reviews506
-
The Behavior and Ecology of Pacific Salmon and Trout
by Thomas P. Quinn
- List rank#3
- Price$58.49
- Rating4.7
- Reviews26
-
Whale Ships and Whaling: A Pictorial History (Dover Maritime Book 10)
by George Francis Dow
- List rank#4
- Price$9.56
- Rating4.3
- Reviews24
-
The Outlaw Ocean: Journeys Across the Last Untamed Frontier
by Ian Urbina
- List rank#5
- Price$12.99
- Rating4.5
- Reviews1,201
-
Neocaridina Shrimp Care: The Complete Guide to Keeping, Breeding, and Thriving with Colorful Dwarf Shrimp
by Chase Whitman
- List rank#6
- Price$4.99
- Rating4.0
- Reviews2
-
North by Northwestern: A Seafaring Family on Deadly Alaskan Waters
by Sig Hansen
- List rank#7
- Price$10.29
- Rating4.6
- Reviews555
-
Four Fish: The Future of the Last Wild Food
by Paul Greenberg
- List rank#8
- Price$7.99
- Rating4.6
- Reviews544
-
Shell Games: Rogues, Smugglers, and the Hunt for Nature's Bounty
by Craig Welch
- List rank#9
- Price$6.99
- Rating4.3
- Reviews112
-
The Aquaponic Farmer: A Complete Guide to Building and Operating a Commercial Aquaponic System
by Adrian Southern
- List rank#10
- Price$12.99
- Rating4.6
- Reviews357
Same niche in Books: Fisheries & Aquaculture
FAQ
Is Fisheries & Aquaculture a good niche for Amazon KDP?
Its KDPTop opportunity score is 21/100, which makes it highly competitive. The median best seller has 25 reviews and sells for $9.99.
How many reviews do you need to rank in Fisheries & Aquaculture?
The median best seller has 25 reviews, and 75% of them have fewer than 100.
What do Fisheries & Aquaculture best sellers cost?
The median price is $9.99; half of the best sellers are priced between $5.99 and $14.99.
Can new books break into Fisheries & Aquaculture?
1% of the current best sellers were released in the last 90 days.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.