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Fish & Sharks (Animals, Kindle eBooks): Amazon KDP category data
Amazon Kindle eBooks Best Sellers data for Fish & Sharks (Animals, Kindle eBooks), updated Nov 2, 2026: median price $9.99, median 139 reviews, average rating 4.4 and a KDPTop opportunity score of 20/100 (highly competitive).
| Price range (middle 50%) | $7.99 – $12.99 |
|---|---|
| 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 23% of the parent category Animals (592), one of the easier corners under it.
Top 10 Fish & Sharks best sellers
-
Why Fish Don't Exist: A Story of Loss, Love, and the Hidden Order of Life
by Lulu Miller
- List rank#1
- Price$13.99
- Rating4.4
- Reviews3,953
-
Your Inner Fish: A Journey into the 3.5-Billion-Year History of the Human Body
by Neil Shubin
- List rank#2
- Price$9.99
- Rating4.6
- Reviews2,916
-
What a Fish Knows: The Inner Lives of Our Underwater Cousins
by Jonathan Balcombe
- List rank#3
- Price$11.99
- Rating4.6
- Reviews868
-
The Unreasonable Virtue of Fly Fishing
- List rank#4
- Price$11.40
- Rating4.4
- Reviews268
-
Simple Fly Fishing (Revised Second Edition)
- List rank#5
- Price$11.99
- Rating4.7
- Reviews206
-
Close to Shore: The Terrifying Shark Attacks of 1916
by Michael Capuzzo
- List rank#6
- Price$8.99
- Rating4.3
- Reviews1,458
-
The Little Red Book of Fly Fishing (Little Red Books)
by Kirk Deeter
- List rank#7
- Price$9.99
- Rating4.7
- Reviews1,361
-
Cod: A Biography of the Fish that Changed the World
- List rank#8
- Price$9.99
- Rating4.3
- Reviews2,015
-
The Story of Sushi: An Unlikely Saga of Raw Fish and Rice
by Trevor Corson
- List rank#9
- Price$11.99
- Rating4.4
- Reviews366
-
The Book of Eels: Our Enduring Fascination with the Most Mysterious Creature in the Natural World — A Natural History
by Patrik Svensson
- List rank#10
- Price$9.99
- Rating4.5
- Reviews1,396
Same niche in Books: Fish & Sharks
FAQ
Is Fish & Sharks a good niche for Amazon KDP?
Its KDPTop opportunity score is 20/100, which makes it highly competitive. The median best seller has 139 reviews and sells for $9.99.
How many reviews do you need to rank in Fish & Sharks?
The median best seller has 139 reviews, and 45% of them have fewer than 100.
What do Fish & Sharks best sellers cost?
The median price is $9.99; half of the best sellers are priced between $7.99 and $12.99.
Can new books break into Fish & Sharks?
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.