KDP categories · Top KDP authors
Fish (Animals, Books): Amazon KDP category data
Amazon Books Best Sellers data for Fish (Animals, Books), updated Nov 3, 2026: median price $7.99, median 600 reviews, average rating 4.7 and a KDPTop opportunity score of 25/100 (highly competitive).
| Price range (middle 50%) | $6.50 – $10.22 |
|---|---|
| Average rating | 4.7 |
| New releases (90 days) | 3% |
| Books on the list | 100 |
| Store | Books |
What stands out
- Its median reviews are 7% of the parent category Animals (8,310), one of the easier corners under it.
- At $7.99 its median price is below 96% of Books categories, so it is a volume game.
- Only 3% of its best sellers are under 90 days old, fewer than in 88% of Books categories: established titles hold the list.
Top 10 Fish best sellers
-
The Rainbow Fish
by Marcus Pfister
- List rank#1
- Price$5.94
- Rating4.8
- Reviews9,560
-
Don't Trust Fish
by Neil Sharpson
- List rank#2
- Price$10.56
- Rating4.7
- Reviews637
-
The Pout-Pout Fish
- List rank#3
- Price$5.27
- Rating4.8
- Reviews28,040
-
-
The Rainbow Fish
by Marcus Pfister
- List rank#5
- Price$9.24
- Rating4.9
- Reviews12,536
-
The Not Very Merry Pout-Pout Fish (A Pout-Pout Fish Adventure)
- List rank#6
- Price$5.20
- Rating4.7
- Reviews2,514
-
My Big Fat Zombie Goldfish Boxed Set: (My Big Fat Zombie Goldfish; The Seaquel; Fins of Fury)
by Mo O'Hara
- List rank#7
- Price$13.29
- Rating4.8
- Reviews12,571
-
Be Thankful, Pout-Pout Fish (A Pout-Pout Fish Mini Adventure)
- List rank#8
- Price$6.28
- Rating4.5
- Reviews1,305
-
Sharks (National Geographic Kids Readers, Level 2)
- List rank#9
- Price$2.99
- Rating4.8
- Reviews2,828
-
Swimmy
by Leo Lionni
- List rank#10
- Price$6.49
- Rating4.8
- Reviews2,172
FAQ
Is Fish a good niche for Amazon KDP?
Its KDPTop opportunity score is 25/100, which makes it highly competitive. The median best seller has 600 reviews and sells for $7.99.
How many reviews do you need to rank in Fish?
The median best seller has 600 reviews, and 17% of them have fewer than 100.
What do Fish best sellers cost?
The median price is $7.99; half of the best sellers are priced between $6.50 and $10.22.
Can new books break into Fish?
3% 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.