guinea pig
Worth a lookShows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Great9.9%search→purchase rate — share of searches ending in a sale
Competition
Great34%top-5 click share — an open shelf
Market size
Good£551K£551K/yr · 851K searches
Review moat
Good1,240.33avg incumbent reviews — the moat a new listing must climb
Brand share
Good74%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Price range
Okay£0.83–£21.91cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-5.6%90-day search growth — must beat 0% to launch
Avg price
Bad£6.52avg listing price — sweet spot $15–$100
According to Flapen's Amazon United Kingdom niche tracking, guinea pig is a £551K/yr Amazon United Kingdom market (851K searches/yr). The top 5 brands hold 74% of demand. Demand peaks in Nov–Dec. Verdict: Worth a look — 58/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
guinea pig market data
- Units sold / yr
- 80K–100K
- avg 1,000–1,250/product
- Revenue / yr
- £522K–£652K
- units × avg price
- Conversion rate
- 9.9%
- Avg BSR
- #52
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 49%
- Out of stock
- 0.2%
- Avg brand age
- 34 months
- Avg seller age
- 178 days
Competition & brand share
Clicks spread well past the top 5 (34% combined) — an open shelf where new products get seen.Brands
29 falling
Sellers
117
Top-5 brand share
74%
Top 20: 95%
Top-5 click share
34%
Top 20: 72%
Open market
24%
- Rosewood53%
- VETIQ9%
- Supreme Petfoods6%
- Jeasona3%
- BeBeJoJo3%
- Beaphar3%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -5.6% search growth over the last 90 days.Peak months: Nov, Dec · busiest ÷ quietest = 2.9×
Top guinea pig search terms
- guinea pig245K/yr
- rabbit treats222K/yr
- guinea pig treats102K/yr
- guinea pig hide63K/yr
- guinea pig accessories56K/yr
- guinea pig hides35K/yr
- guinea pig cage accessories22K/yr
- guinea pig stuff16K/yr
- guinea pig accessories for cage21K/yr
- guinea pigs18K/yr
Top guinea pig products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Rosewood Simply Nibbles Garden Herbs and Apple Cushions (50g)
Rosewood£0.834.7★1,434 rev
Rosewood Naturals Four Seasons XXL Sticks Vegetable & Herb Small Animal Treats Four Delicious Flavours for Rabbits Guinea Pigs Chinchillas & Degus (4 Sticks)
Rosewood£4.414.5★1,488 rev
Rosewood Naturals Pea n Beetroot Nibble Rings Treats for Rabbits Guinea Pigs Chinchillas Degus Hamsters Gerbils Mice Rats - 120g
Rosewood£1.454.5★397 rev
Rosewood Naturals Double Woodroll Small Animal Treat and Gnaw Toy for Rabbits Guinea Pigs Chinchillas Hamsters Gerbils Mice and Rats (Pack of 1)
Rosewood£4.334.4★1,412 rev
VETIQ Nibblots Small Animal Skin & Coat Vitamin Variety Treats (4 x 30g)
VETIQ£5.194.8★971 rev
Newest
by launch date
HOTUT Guinea Pig Bed 2pcs Cave Cozy Hamster Small Animal Beds Hideout Warm Guinea Pig House Washable Small Animal House Cage Accessories for Chinchillas Hamsters Dwarf Rabbits
HOTUT£7.41286 rev
BeBeJoJo Wooden Guinea Pig House 30x25x20cm Pine Plywood Rainbow 2 Houses with Ramp Multiple Doors & Windows Absorbent Mats Large Animal Shelter
BeBeJoJo£19.01144 rev
Avont Guinea Pig Tunnel Small Animal Hideaway Tube Toy
Avont£12.09567 rev
Rosewood Naturals Pea n Beetroot Nibble Rings Treats for Rabbits Guinea Pigs Chinchillas Degus Hamsters Gerbils Mice Rats - 120g
Rosewood£1.45397 rev
Supreme Petfoods Tiny Friends Farm Russel Rabbit Hoppies
Supreme Petfoods£2.47134 rev
Trending
90-day click momentum
Jeasona Guinea Pig Socks for Women 4-7 Gifts for Guinea Pig Lovers
Jeasona£9.654.7★
HOTUT Guinea Pig Bed 2pcs Cave Cozy Hamster Small Animal Beds Hideout Warm Guinea Pig House Washable Small Animal House Cage Accessories for Chinchillas Hamsters Dwarf Rabbits
HOTUT£7.414.4★
Beaphar Munching Sticks for Small Animals 150 g
Beaphar£2.324.6★
Supreme Petfoods Selective Naturals Berry Loops with Timothy Hay & Cranberry 80g
Supreme Petfoods£3.494.7★
Rosewood Naturals Four Seasons XXL Sticks Vegetable & Herb Small Animal Treats Four Delicious Flavours for Rabbits Guinea Pigs Chinchillas & Degus (4 Sticks)
Rosewood£4.414.5★
What buyers say about guinea pig
What buyers praise and complain about, mined from review topics.What buyers love
“I agree that animals enjoy this”
“Well worth the purchase”
“Very good quality and easy installation”
“I imagine they taste nice considering how much they love them”
“The bag is a good size”
“keeps them entertained for hours”
“It arrived quick, looking good and it actually smells like proper meadow hay rather than something dry and dusty”
“has satisfied their urge to chew nicely”
“easy to clean”
“It is sturdy”
What buyers complain about
“Bit small”
“this hay is not good quality”
“Picture is deceiving”
“sadly they have become so over priced for what u get”
“The smell so bad”
“Really flimsy”
“easily broken in half to share”
“Do not buy this product it contained a cigarette end”
“Super thin”
“Hay was damp”
Top return reasons
Common questions
- Is guinea pig profitable to sell on Amazon United Kingdom?
- The niche generates £551K/yr across 51 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -5.6%. Flapen's verdict: Worth a look (58/100).
- How competitive is the guinea pig niche?
- 29 brands and 117 sellers compete. The top 5 products take 34% of clicks and top 5 brands hold 74% of demand.
- What do buyers complain about in guinea pig?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Advertised Vs Actual Product. The return rate is 0.1%.
- When does demand for guinea pig peak?
- Demand peaks in Nov–Dec; the busiest month runs 2.9× the quietest.
- What does it cost to enter the guinea pig niche?
- Listings span £0.83–£21.91; the average listing price is £6.52 (sweet spot $15–$100). The average incumbent carries 1,240 reviews — the moat a new listing must climb.