40 Gallon Tank Lid
FailThe top 5 brands take 100% of clicks, so 40 Gallon Tank Lid is a Fail.
- Flapen Score
- 29 / 100Ranks 3,876 of 3,978 Pet Supplies niches · −22 vs the category median of 5129
- Market size
- $69K/yr99K searches / yr
- 90-day growth
- -1.8%search demand this quarter
- Competition
- 89%top-5 click share · 5 brands · 22 sellers
Flapen Score
40 Gallon Tank Lid against its category
The dotted line is the Pet Supplies average. Past it, 40 Gallon Tank Lid is stronger. Inside it, weaker.
Market
The 40 Gallon Tank Lid market on Amazon at a glance
Shoppers on Amazon United States searched for 40 Gallon Tank Lid 99K times last year and spent an estimated $69K. All 5 brands take every click. Flapen scores it 29 out of 100, a Fail.
01 · Demand
An estimated 1.6% of those searches ended in a purchase.
Shoppers searched for this 99K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 1.6% of those searches ended in a purchase. Searches in the last 90 days moved -1.8% against the 90 days before. Searches, conversion and average price together put the market at an estimated $69K a year.
- Searches, last 12 months
- 99K
- Growth, 90 days vs prior 90
- -1.8%
- Conversion, latest week
- 1.6%
- Market size, estimated
- $69Ka year
- Peak month
- January1.3× the quietest month
- Top search term
- 40 gallon tank lid27K searches a year
02 · Price
A sale here is worth $43.12.
Listings sell for $43.12 on average, from $18.64 to $67.37. Amazon reports units sold in ranges. This niche sold 1K to 2K a year. The average listing sells 0 to 100 of them. At $43.12 that is $0 to $4K a year per listing.
- Average price
- $43.12inside the $15 to $100 sweet spot
- Price range
- $18.64–$67.37
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 1K–2K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$4K
- Returns
- 4.7%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
75% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 1.7% of listings are out of stock. The average listing ranks #10 within Fish & Aquatic Pets. It carries 4,381 reviews at 4.39 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 75%
- Prime listings
- 100%
- Out of stock, average day
- 1.7%
- Average rank
- #10in Fish & Aquatic Pets
- Average rating
- 4.39 starsAmazon United States average 4.42 stars
- Average reviews
- 4,381per listing
- Listings tracked
- 8
04 · Newcomers
1 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 1 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 50 months on average, so the names here are settling in.
- Launched, last 12 months
- 1
- Successful launches
- 1Amazon's first-year sales bar
- Average brand age
- 50 months
Products
Top 40 Gallon Tank Lid products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 17, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Magnetic Aquarium Cover lid Fish Tank lid Anti-Jumping net Cover mesh lid Aquarium Hood
- Price
- $18.64
- Rating
- 4.1/5
- Reviews
- 492
- Age
- 2y ago

Exo Terra Regular 40 Gallon Screen Cover 36 X 18
- Price
- $34.34
- Rating
- 4.6/5
- Reviews
- 2,032
- Age
- 12y ago

H2Pro 36 Glass Canopy Fits Aqueon 30/40gal Breeder (35.84 x 17.01 x 0.16in)
- Price
- $61.20
- Rating
- 4.3/5
- Reviews
- 283
- Age
- 7y ago

Zilla Fresh Air Screen Cover Secure and Durable Metal Mesh Cover for Reptile Terrariums 36 x 18 inches
- Price
- $43.93
- Rating
- 4.7/5
- Reviews
- 15,645
- Age
- 19y ago

H2Pro - Reptile Realm - Aquarium Mesh Lid Screen Cover Metal Screen Top for Fish Tanks & Terrariums Rust-Resistant High Airflow Design (40 Breeder - 36 3/8 x 18 5/8)
- Price
- $49.81
- Rating
- 4.7/5
- Reviews
- 15
- Age
- 4mo ago
Trending
estimated 90-day click momentum
H2Pro - Reptile Realm - Aquarium Mesh Lid Screen Cover Metal Screen Top for Fish Tanks & Terrariums Rust-Resistant High Airflow Design (40 Breeder - 36 3/8 x 18 5/8)
- Price
- $49.81
- Rating
- 4.7/5
- Reviews
- 15
- Age
- 4mo ago

Magnetic Aquarium Cover lid Fish Tank lid Anti-Jumping net Cover mesh lid Aquarium Hood
- Price
- $18.64
- Rating
- 4.1/5
- Reviews
- 492
- Age
- 2y ago

Zilla Fresh Air Screen Cover Secure and Durable Metal Mesh Cover for Reptile Terrariums 30 x 12 inches
- Price
- $31.52
- Rating
- 4.7/5
- Reviews
- 15,645
- Age
- 19y ago

Zilla Fresh Air Screen Cover Secure and Durable Metal Mesh Cover for Reptile Terrariums 36 x 18 inches
- Price
- $43.93
- Rating
- 4.7/5
- Reviews
- 15,645
- Age
- 19y ago

Sieral Aquarium Lids Polycarbonate Canopy 2 Pieces Set 22.95 x 11.5 x 0.12 inch for 33/40/55 Gallon with Center Brace Aquariums Cover Fish Tank Lid with a Hook Knife Clear
- Price
- $67.37
- Rating
- 3.4/5
- Reviews
- 333
- Age
- 1y ago
Newest
by launch date
H2Pro - Reptile Realm - Aquarium Mesh Lid Screen Cover Metal Screen Top for Fish Tanks & Terrariums Rust-Resistant High Airflow Design (40 Breeder - 36 3/8 x 18 5/8)
- Price
- $49.81
- Rating
- 4.7/5
- Reviews
- 15
- Age
- 4mo ago

Sieral Aquarium Lids Polycarbonate Canopy 2 Pieces Set 22.95 x 11.5 x 0.12 inch for 33/40/55 Gallon with Center Brace Aquariums Cover Fish Tank Lid with a Hook Knife Clear
- Price
- $67.37
- Rating
- 3.4/5
- Reviews
- 333
- Age
- 1y ago

Magnetic Aquarium Cover lid Fish Tank lid Anti-Jumping net Cover mesh lid Aquarium Hood
- Price
- $18.64
- Rating
- 4.1/5
- Reviews
- 492
- Age
- 2y ago

H2Pro 36 Glass Canopy Fits Aqueon 30/40gal Breeder (35.84 x 17.01 x 0.16in)
- Price
- $61.20
- Rating
- 4.3/5
- Reviews
- 283
- Age
- 7y ago

Exo Terra Regular 40 Gallon Screen Cover 36 X 18
- Price
- $34.34
- Rating
- 4.6/5
- Reviews
- 2,032
- Age
- 12y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 89% of clicks. A locked shelf that new listings rarely crack.
Brands
5 falling
Sellers
22
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
89%
Top 20: 100%
Open market
0%
- NestBasics51%
- Exo Terra17%
- H2Pro16%
- Zilla12%
- Sieral4%
- Open — no brand owns it (0%)
Demand
40 Gallon Tank Lid search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.3×
Search terms
Top 40 Gallon Tank Lid search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- 40 gallon tank lid27K/yr
- 40 gallon breeder tank lid21K/yr
- 40 gallon fish tank lid13K/yr
- 40 gallon aquarium lid10K/yr
- 36x18 terrarium lid8K/yr
- 36x18 aquarium lid5K/yr
- 40 gallon reptile tank lid7K/yr
- 36 inch aquarium lid3K/yr
- 36 x 18 aquarium lid3K/yr
- 40 gallon breeder lid3K/yr
Reviews and returns
What reviews say buyers love and hate about 40 Gallon Tank Lid
We read the reviews and the return reasons for every product selling here.
“Trash”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
19 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common 40 Gallon Tank Lid questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









