Hermit Crab Market Report: Sales Volume, Market Share, Leading Brands & Market Trends
Hermit Crab sales on Amazon US totaled 37,800 units in July 2026 (▲ 19.8% vs. the prior month), generating an estimated $408,983 in revenue across the 50 top-ranked ASINs for this search term. Demand is heavily concentrated at the top of the ranking — the ten best performers capture 47.6% of unit volume and 46.1% of revenue, while a typical listing is priced at $10.94. The keyword itself pulled 15,245 Amazon queries over the same period (▼ 5.1% MoM).
Zooming out to the 12-month window ending July 2026, the hermit crab Top 50 moved 310,050 units and $3,221,286 in cumulative sales — an average of 25,838 units and $268,440 per month. Monthly throughput topped out at 37,800 units in July 2026 and dipped to 15,250 in May 2026, leaving the latest reading 7.7% higher than August 2025.
Hermit Crab Sales Trend (Trailing 12 Months)
Based on the top 50 ASINs by monthly sales for this keyword
2025/08
2025/09
2025/10
2025/11
2025/12
2026/01
2026/02
2026/03
2026/04
2026/05
2026/06
2026/07
Monthly Sales 2026/07
37.8K
▲ 19.8% MoM
Monthly Revenue 2026/07
$409K
▲ 21.0% MoM
Top 10 Market Share 2026/07
47.6%
Hermit Crab Market Share & Sales Concentration on Amazon US — July 2026
The most-sold hermit crab listing on Amazon US in July 2026 is ASIN B0BTM9T565 (Brand: Riare), which sold 3,000 units at $12.34 apiece — equal to 7.9% of every unit tracked in this report.
The Top 10 ASINs account for 18,000 units and $188,590 in July 2026 — 47.6% of unit volume and 46.1% of revenue among all 50 ranked ASINs in this report.
Sales Volume of Top ASINs for 'Hermit Crab' on Amazon
July 2026









Is 47.6% Top 10 share highly concentrated?
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Top 5 Volume Share breakdown

B0BTM9T565
Riare 2 Pack Natural Coconut Fiber Substrate, Coco Coir Reptile Bedding | Coconut Husk Reptile Substrate for Tortoises, Hermit Crabs, Snakes, Bearded Dragon, Geckos, Reptile Enclosure/Terrarium Setup
3K
▲ 50.0%vs. prior month
$37.1K
latest month
12-month trend

B0B52DC9VB
Fluker's All Natural Premium Hermit Crab Sand Substrate, Sand Mixture with Coconut Fiber, For Hermit Crab Tanks, 12 lbs.
3K
▲ 50.0%vs. prior month
$47.8K
latest month
12-month trend

B0BWJF7GMV
ZeeDix 2 Pack Coconut Fiber Substrate, Premium Coco Coir Reptile Substrate | 100% Coconut Husk Terrarium Bedding for Reptiles, Tortoise, Bearded Dragon, Gecko, Snake, Hermit Crabs, Frogs, Tarantula
2K
▼ 33.3%vs. prior month
$24.7K
latest month
12-month trend

B005CTKE46
SunGrow Shrimp Rocks, Calcium, Magnesium Rocks for Crayfish, Hermit Crab, Snails, Crustacean Care, Aquarium Decor for Crystal Red, Amano and Ghost Shrimps, Nano Tank Accessories, Fish Tank Supplies
2K
▼ 33.3%vs. prior month
$13K
latest month
12-month trend

B0DLSN1BCS
Hermit Crab Climbing Toys, Adjustable Hermit Crab Supplies, Hermit Crab Habitat Tank Accessories
2K
▲ 100.0%vs. prior month
$13.9K
latest month
12-month trend

B0CPF27KBM
2 PCS Rectangle Reptile Thermometer and Humidity Gauge for Bearded Dragon Accessories, Reptile Tank Accessories for Jumping Spider, Leopard Gecko, Hermit Crab, Gecko, Ball Python, Lizard
2K
▲ 0.0%vs. prior month
$12K
latest month
12-month trend
Unlock to view all Top 50 ASIN competitors and their sales contributions
Best Hermit Crab Brands on Amazon US — Top 3 Brand Sales Concentration (July 2026)
Fluker's is the best-performing hermit crab brand in July 2026, moving 4,000 units across 2 ASINs for 22.2% of Top 10 volume. Riare follows with 3,000 units (16.7%), ahead of ZeeDix on 2,000 units (11.1%).
Volume is spread across 9 brands, with the top three holding 50.0% between them. No single label controls the shelf, which usually leaves room for a well-differentiated listing to take share without outspending an incumbent. Average selling prices among the leaders run from $9.96 to $12.34, which frames the price band a competing listing has to justify.
Brand share of Top 10 volume
Fluker's
2 ASINs in Top 10
22.2%
Units
4K
Revenue
$53.6K
Avg. price
$9.96

B0B52DC9VB
$15.93·★4.8·611 revsFluker's All Natural Premium Hermit Crab Sand Substrate, Sand Mixture with Coconut Fiber, For Hermit Crab Tanks, 12 lbs.
Units sold3K
B00NSLD2UI
$3.99·★4.5·1.9K revsFluker's Premium Variety Diet, Food for Hermit Crabs 4 oz
Units sold1K
Riare
1 ASIN in Top 10
16.7%
Units
3K
Revenue
$37.1K
Avg. price
$12.34

B0BTM9T565
$12.34·★4.6·2.1K revsRiare 2 Pack Natural Coconut Fiber Substrate, Coco Coir Reptile Bedding | Coconut Husk Reptile Substrate for Tortoises, Hermit Crabs, Snakes, Bearded Dragon, Geckos, Reptile Enclosure/Terrarium Setup
Units sold3K
ZeeDix
1 ASIN in Top 10
11.1%
Units
2K
Revenue
$24.7K
Avg. price
$12.34

B0BWJF7GMV
$12.34·★4.6·1.7K revsZeeDix 2 Pack Coconut Fiber Substrate, Premium Coco Coir Reptile Substrate | 100% Coconut Husk Terrarium Bedding for Reptiles, Tortoise, Bearded Dragon, Gecko, Snake, Hermit Crabs, Frogs, Tarantula
Units sold2K
Trending Hermit Crab Products — Growth Leaders & New Top 10 Entrants
Based on July 2026 data, this shortlist surfaces the two kinds of ASIN worth keeping an eye on — the ones that just broke into the Top 10, and the ones growing fastest month over month. Specifically, one ASIN forced its way in: B07BRC2PQZ booked 1K units at $11.49, with ▲ 66.7% MoM change. On the growth side, B0894N8F18 leads positive momentum with ▲ 300.0% MoM growth on 400 units, with B0CD1SNNHL close behind at ▲ 200.0% MoM on 300 units.
The two signals carry different weight. A fresh entrant means share has already changed hands — an incumbent gave up its place to make room, so any competitive set drawn up a month ago is now out of date. A steep growth rate works as the earlier warning: it marks demand that is still compounding, usually a month or two before the ranking catches up to it.

B07BRC2PQZ
Awesome Aquatic Natural Staghorn Cholla Wood Tube, 3 Pack, 6 Inch | Biofilm surface Secure hiding places Shrimp habitat Pleco shelter Hermit crab climbing Aquarium décor Terrarium décor
Price
$11.49
Rating
4.6
Reviews
2.2K
Latest month sales

B0894N8F18
QEQEKAKA 15PCS Hermit Crab Shells Natural Mixed Seashells Replacement | Small Medium Large Hermit Crab Supplies Xl 0.4-1.5In Opening Size Sea Shells
Price
$9.99
Rating
4.3
Reviews
554
Latest month sales

B0CD1SNNHL
5PCS Hermit Crab Shells | Natural Sea Conch Size 2.1" - 2.8", Opening Size 0.9" - 1.5" | Medium Large Turbo Seashells for Hermit Crab Supplies and Beach Decoration Sea Shell
Unlock to view ASIN details and product titles
Price
$9.99
Rating
4.0
Reviews
239
Latest month sales
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