copepods
Skip itBrand-locked demand (top 5 brands take 96% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.4%return rate — above 6% kills the launch gate
Avg price
Incredible$38.11avg listing price — sweet spot $15–$100
Price range
Great$8.66–$119.99cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Good782.6avg incumbent reviews — the moat a new listing must climb
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Conversion
Okay3.8%search→purchase rate — share of searches ending in a sale
Market size
Okay$130K$130K/yr · 90K searches
Competition
Bad77%top-5 click share — a locked-up shelf
Growth
Bad-18.2%90-day search growth — must beat 0% to launch
Brand share
Bad96%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, copepods is a $130K/yr Amazon United States market (90K searches/yr). The top 5 brands hold 96% of demand. Verdict: Skip it — 44/100.
Data updated Jul 17, 2026 · scored weekly · How we score niches
copepods market data
- Units sold / yr
- 2K–3K
- avg 0–100/product
- Revenue / yr
- $76K–$95K
- units × avg price
- Launch success
- —
- 0 of 1 new (360d)
- Conversion rate
- 3.8%
- Avg BSR
- #563
- Page quality
- 0%
- Prime
- 33%
- Sponsored
- 67%
- Out of stock
- 0.3%
- Avg brand age
- 76 months
- Avg seller age
- 157 days
Competition & brand share
The top 5 products capture 77% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 falling
Sellers
25
Top-5 brand share
96%
Top 20: 100%
Top-5 click share
77%
Top 20: 100%
Open market
2%
- AlgaeBarn77%
- SaltwaterAquarium9%
- Seachem4%
- BiggerFish4%
- PirexaFley3%
- Ocean Nutrition2%
- Open — no brand owns it (1 brand, 2%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -18.2% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top copepods search terms
- copepods35K/yr
- copepods for saltwater aquarium28K/yr
- live copepods8K/yr
- copepod5K/yr
- copepods for freshwater aquarium4K/yr
- live copepods for reef tank5K/yr
- copepods for sale4K/yr
- algae barn2K/yr
Top copepods 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 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
AlgaeBarn Poseidons Feast :: Live Marine Copepods - 3000+ Tisbe & Tigriopus Pods for Mandarin & Finicky Fish (16oz)
AlgaeBarn$29.984.4★576 rev
AlgaeBarn Live Copepods & Phytoplankton Combo Pack Tisbe & Tigriopus Pods + Live Phytoplankon (16oz)
AlgaeBarn$44.994.4★538 rev
AlgaeBarn 5280 Pods :: Live Copepods :: Three Pod Species Tisbe + Tigriopus + Apocyclops :: Clean Your Tank & Mandarin & Finicky Fish Food (5 280+ Pods)
AlgaeBarn$44.994.3★474 rev
Reef Nutrition Pods Live Copepods Food 6 oz
SaltwaterAquarium$29.573.3★52 rev
AlgaeBarn Tig Pods :: Live Copepods :: Tigriopus californicus Copepods :: Clean Your Tank :: Mandarin & Finicky Fish Food (3 000+ Pods)
AlgaeBarn$35.004.1★94 rev
Newest
by launch date
Copepod Refuge Block for Refugium Sump or Display Tank Made of Porous Ceramic
PirexaFley$25.812 rev
BiggerFish Live Copepods + Phytoplankton Combo Pack for Saltwater Fish Coral Invertebrates 2 16oz Bottles Provide Vital Biodiversity and Nutrition for Saltwater Reef Aquariums
BiggerFish$44.9220 rev
BiggerFish Live Copepods for Fish and Marine Invertebrates 16oz Provides Vital Biodiversity and Nutrition for a Healthy Saltwater Reef Aquarium Ecosystem
BiggerFish$34.9814 rev
Reef Nutrition Pods Live Copepods Food 6 oz
SaltwaterAquarium$29.5752 rev
AlgaeBarn Live Copepods & Phytoplankton Combo Pack Tisbe & Tigriopus Pods + Live Phytoplankon (16oz)
AlgaeBarn$44.99538 rev
Trending
90-day click momentumCopepod Refuge Block for Refugium Sump or Display Tank Made of Porous Ceramic
PirexaFley$25.815.0★
Reef Nutrition Pods Live Copepods Food 6 oz
SaltwaterAquarium$29.573.3★
AlgaeBarn Poseidons Feast :: Live Marine Copepods - 3000+ Tisbe & Tigriopus Pods for Mandarin & Finicky Fish (16oz)
AlgaeBarn$29.984.4★
AlgaeBarn Tig Pods :: Live Copepods :: Tigriopus californicus Copepods :: Clean Your Tank :: Mandarin & Finicky Fish Food (3 000+ Pods)
AlgaeBarn$35.004.1★
Seachem Reef Zooplankton 250 ml.
Seachem$8.664.7★
What buyers say about copepods
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product”
“Good size easy to use”
“My copepods were all alive”
“Easy to feed spoon”
“Seems to work as expected”
“I also had a large clean up crew”
“Premium price for regular product”
“no smell so I would say it fresh”
“I would say they love the taste”
What buyers complain about
“Yeah, it's a bit costly,”
“Sophie so so far so good they're so small though I had the hardest time even finding them after I took Alexander out I thought he ate them all the only way I can describe what they look like”
“But all ended up spitting them out”
“there's no buoyancy”
“baby brine were dark brown”
“Questionable”
“Now I'm left with a messy fry tank to clean up”
Top return reasons
Common questions
- Is copepods profitable to sell on Amazon United States?
- The niche generates $130K/yr across 15 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -18.2%. Flapen's verdict: Skip it (44/100).
- How competitive is the copepods niche?
- 7 brands and 25 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 96% of demand.
- What do buyers complain about in copepods?
- Top complaints mined from reviews: Value For Money, Size-Overall, Durability. The return rate is 0.4%.
- When does demand for copepods peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the copepods niche?
- Listings span $8.66–$119.99; the average listing price is $38.11 (sweet spot $15–$100). The average incumbent carries 783 reviews — the moat a new listing must climb.