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Fisheries & Aquaculture (Oceans & Seas, Books): Amazon KDP category data
Amazon Books Best Sellers data for Fisheries & Aquaculture (Oceans & Seas, Books), updated Nov 2, 2026: median price $17.06, median 27 reviews, average rating 4.5 and a KDPTop opportunity score of 29/100 (highly competitive).
| Price range (middle 50%) | $12.85 – $26.46 |
|---|---|
| Average rating | 4.5 |
| New releases (90 days) | 5% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 6% of the parent category Oceans & Seas (472), one of the easier corners under it.
- Only 5% of its best sellers are under 90 days old, fewer than in 75% of Books categories: established titles hold the list.
Top 10 Fisheries & Aquaculture best sellers
-
The Perfect Storm: A True Story of Men Against the Sea
- List rank#1
- Price$16.69
- Rating4.6
- Reviews3,383
-
Fish Butchery: Mastering The Catch, Cut, And Craft
by Josh Niland
- List rank#2
- Price$27.45
- Rating4.9
- Reviews375
-
The Outlaw Ocean: Journeys Across the Last Untamed Frontier
by Ian Urbina
- List rank#3
- Price$11.31
- Rating4.5
- Reviews1,201
-
Four Fish: The Future of the Last Wild Food
by Paul Greenberg
- List rank#4
- Price$11.09
- Rating4.6
- Reviews544
-
Leviathan: The History of Whaling in America
- List rank#5
- Price$9.99
- Rating4.5
- Reviews506
-
The Fishermen and the Dragon: Fear, Greed, and a Fight for Justice on the Gulf Coast
by Kirk Wallace Johnson
- List rank#6
- Price$15.11
- Rating4.4
- Reviews300
-
Shell Games: A True Story of Cops, Con Men, and the Smuggling of America’s Strangest Wildlife
by Craig Welch
- List rank#7
- Price$11.99
- Rating4.3
- Reviews112
-
The betta fish book: A complete guide on betta fish care, the tank, habitat, diet, breeding, diseases, buying and all more informations about this fabulous fish
by Aqua Health
- List rank#8
- Price$12.99
- Rating4.5
- Reviews71
-
Betta Fish: The Simple Guide to Caring for Your Magical Betta
by Walter James
- List rank#9
- Price$11.69
- Rating4.5
- Reviews469
-
North by Northwestern: A Seafaring Family on Deadly Alaskan Waters
by Sig Hansen
- List rank#10
- Price$14.99
- Rating4.6
- Reviews555
Same niche in Kindle eBooks: Fisheries & Aquaculture
FAQ
Is Fisheries & Aquaculture a good niche for Amazon KDP?
Its KDPTop opportunity score is 29/100, which makes it highly competitive. The median best seller has 27 reviews and sells for $17.06.
How many reviews do you need to rank in Fisheries & Aquaculture?
The median best seller has 27 reviews, and 78% of them have fewer than 100.
What do Fisheries & Aquaculture best sellers cost?
The median price is $17.06; half of the best sellers are priced between $12.85 and $26.46.
Can new books break into Fisheries & Aquaculture?
5% 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.