Crab Tank
MaybeProducts sell for $40.21 on average, inside the sweet spot. But shoppers spend an estimated $40K a year here, so Crab Tank is a Maybe.
- Flapen Score
- 62 / 100Top 10% of 3,978 Pet Supplies niches · +11 vs the category median of 5162
- Market size
- $40K/yr58K searches / yr
- 90-day growth
- +76.2%search demand this quarter
- Competition
- 31%top-5 click share · 32 brands · 43 sellers
Flapen Score
Crab Tank against its category
The dotted line is the Pet Supplies average. Past it, Crab Tank is stronger. Inside it, weaker.
Market
The Crab Tank market on Amazon at a glance
Shoppers on Amazon United States searched for Crab Tank 58K times last year and spent an estimated $40K. The top 5 brands take 56% of clicks. Demand peaks in Jun–Jul–Aug–Sep. Flapen scores it 62 out of 100, a Maybe.
01 · Demand
An estimated 1.7% of those searches ended in a purchase.
Shoppers searched for this 58K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 1.7% of those searches ended in a purchase. Searches in the last 90 days moved +76.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $40K a year.
- Searches, last 12 months
- 58K
- Growth, 90 days vs prior 90
- +76.2%
- Conversion, latest week
- 1.7%
- Market size, estimated
- $40Ka year
- Peak month
- July4.2× the quietest month
- Top search term
- 20 gallon hermit crab tank9K searches a year
02 · Price
A sale here is worth $40.21.
Listings sell for $40.21 on average, from $4.55 to $155.72. Amazon reports units sold in ranges. This niche sold 750 to 1K a year. The average listing sells 0 to 100 of them. At $40.21 that is $0 to $4K a year per listing.
- Average price
- $40.21inside the $15 to $100 sweet spot
- Price range
- $4.55–$155.72
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 750–1K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$4K
- Returns
- 2.4%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is ads.
91% of listings pay for placement with sponsored ads. 98% ship with Prime. On an average day, 9.1% of listings are out of stock. The average listing ranks #239 within Reptiles & Amphibians. It carries 714 reviews at 4.23 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 91%
- Prime listings
- 98%
- Out of stock, average day
- 9.1%
- Average rank
- #239in Reptiles & Amphibians
- Average rating
- 4.23 starsAmazon United States average 4.42 stars
- Average reviews
- 714per listing
- Listings tracked
- 55
04 · Newcomers
2 of last year's 12 launches cleared the first-year sales bar.
12 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 31 months on average, so a newcomer is not facing entrenched names.
- Launched, last 12 months
- 12
- Successful launches
- 2Amazon's first-year sales bar
- Average brand age
- 31 months
Products
Top Crab Tank 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
EctoTherm Hermit Crab Tank - 10 Gallon Tank with Lid - Complete Hermit Crab Cage for Large & Small Crabs - Glass Tank
- Price
- $96.82
- Rating
- 3.6/5
- Reviews
- 18
- Age
- 10mo ago

HELIME Reptile Tank 7 Piece Starter Kit with Escape Proof Locking Lid Small
- Price
- $40.10
- Rating
- 4.3/5
- Reviews
- 703
- Age
- 4y ago

Reptile Growth Reptile Terrarium 10 Gallon Reptile Tank 20 x 10x 11 for InsectFishTarantulaHermit CrabJumping SpiderIguanaTortoiseLeopard GeckoBearded Dragon
- Price
- $65.26
- Rating
- 4.6/5
- Reviews
- 221
- Age
- 5y ago

AZV Reptile Tank Starter Kit 8 Piece Escape Proof Hermit Crab Cage Small
- Price
- $42.08
- Rating
- 4.2/5
- Reviews
- 273
- Age
- 2y ago

HELIME Reptile Tank 7 Piece Starter Kit with Escape Proof Locking Lid Large
- Price
- $57.64
- Rating
- 4.3/5
- Reviews
- 703
- Age
- 4y ago
Trending
estimated 90-day click momentum
Vittqsuier 12x8x6 Mini Reptile Glass Terrarium Set (7 Pcs) Full View Hermit Crab Tank Habitat Enclosure with Feeding Slot & Lock for Lizard Bearded Dragon Snake Amphibians & Small Pets
- Price
- $42.02
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 7mo ago

HELIME Reptile Tank 7 Piece Starter Kit with Escape Proof Locking Lid Large
- Price
- $57.64
- Rating
- 4.3/5
- Reviews
- 703
- Age
- 4y ago

Needzo Reptile and Hermit Crab Supplies Food Pouch Habitat Neon Gravel Mister Trainer and Seashell Palm Tree Accessory All in one Starter Pack 5 Items
- Price
- $25.26
- Rating
- 3.6/5
- Reviews
- 40
- Age
- 4y ago

Clioran Small Reptile Tank PC Starter Kit Escape Proof Tarantula Enclosure
- Price
- $23.30
- Rating
- 4.6/5
- Reviews
- 77
- Age
- 10mo ago

EctoTherm Hermit Crab Tank - 10 Gallon Tank with Lid - Complete Hermit Crab Cage for Large & Small Crabs - Glass Tank
- Price
- $96.82
- Rating
- 3.6/5
- Reviews
- 18
- Age
- 10mo ago
Newest
by launch date
Vittqsuier 12x8x6 Mini Reptile Glass Terrarium Set (7 Pcs) Full View Hermit Crab Tank Habitat Enclosure with Feeding Slot & Lock for Lizard Bearded Dragon Snake Amphibians & Small Pets
- Price
- $42.02
- Rating
- 5.0/5
- Reviews
- 1
- Age
- 7mo ago

EctoTherm Hermit Crab Tank - 10 Gallon Tank with Lid - Complete Hermit Crab Cage for Large & Small Crabs - Glass Tank
- Price
- $96.82
- Rating
- 3.6/5
- Reviews
- 18
- Age
- 10mo ago

Clioran Small Reptile Tank PC Starter Kit Escape Proof Tarantula Enclosure
- Price
- $23.30
- Rating
- 4.6/5
- Reviews
- 77
- Age
- 10mo ago

Clioran Large Reptile Tank PC Starter Kit Escape Proof Tarantula Enclosure
- Price
- $33.82
- Rating
- 4.6/5
- Reviews
- 77
- Age
- 10mo ago

GOZILLA Mini Aquatic Turtle Tank Kit with Adjustable Lamp PC Turtle Tank Starter Kit Small Hermit Crab Tanks with Lid Hanging Platform for Baby Turtles Crabs Fish.(11.87.247.1/Black Kit)
- Price
- $40.31
- Rating
- 4.0/5
- Reviews
- 32
- Age
- 1y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 31% of clicks, no more. An open shelf where new products get seen.
Brands
32 rising
Sellers
43
Est. top-5 brand share
56%
Top 20: 93%
Est. top-5 click share
31%
Top 20: 69%
Open market
38%
- HELIME14%
- Clioran11%
- AZV11%
- Reptile Growth11%
- EctoTherm9%
- REPTI ZOO6%
Demand
Crab Tank search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jun, Jul, Aug, Sep · busiest ÷ quietest = 4.2×
Search terms
Top Crab Tank search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- 20 gallon hermit crab tank9K/yr
- 10 gallon hermit crab tank9K/yr
- hermit crab tank kit8K/yr
- hermit crab tank 10 gallon7K/yr
- hermit crab starter kit with tank7K/yr
- crab tank7K/yr
- hermit crab terrarium6K/yr
- hermit crab cage large5K/yr
Reviews and returns
What reviews say buyers love and hate about Crab Tank
We read the reviews and the return reasons for every product selling here.
“The tank is small”
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.
17 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 Crab Tank 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









