---
title: "Copepods — $130K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/pet-supplies/copepods"
last_updated: "2026-07-21T15:50:51.046Z"
locale: en
meta:
  description: "Niche score 44/100 · $130K/yr market · 90K searches/yr · $38.11 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 44/100 · $130K/yr market · 90K searches/yr · $38.11 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Copepods — $130K/yr Amazon US Niche (2026) - Flapen"
---

# **copepods**

**Skip it**

Brand-locked demand (top 5 brands take 96% of clicks) — this niche doesn't clear our bar today.

Market size 29Growth 16Conversion 47Competition 19Returns 98Price range 76Avg price 95Brand share 10Review moat 68Quality gap 67

**Returns**

**Incredible****0.4%**

return rate — above 6% kills the launch gate

**Avg price**

**Incredible****$38.11**

avg listing price — sweet spot $15–$100

**Price range**

**Great****$8.66–$119.99**

cheapest to priciest tracked listing — scored on the share inside $15–$100

**Review moat**

**Good****782.6**

avg incumbent reviews — the moat a new listing must climb

**Quality gap**

**Good****4.3★**

avg incumbent rating — lower means beatable quality

**Conversion**

**Okay****3.8%**

search→purchase rate — share of searches ending in a sale

**Market size**

**Okay****$130K**

$130K/yr · 90K searches

**Competition**

**Bad****77%**

top-5 click share — a locked-up shelf

**Growth**

**Bad****-18.2%**

90-day search growth — must beat 0% to launch

**Brand share**

**Bad****96%**

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 ~~](https://flapen.com/research/methodology)

## **copepods market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**2K–3K**</dd><dd>avg 0–100/product</dd>

<dt>**Revenue / yr**</dt><dd>**$76K–$95K**</dd><dd>units × avg price</dd>

<dt>**Launch success**</dt><dd>**—**</dd><dd>0 of 1 new (360d)</dd>

<dt>**Conversion rate**</dt><dd>**3.8%**</dd>

<dt>**Avg BSR**</dt><dd>**#563**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**33%**</dd>

<dt>**Sponsored**</dt><dd>**67%**</dd>

<dt>**Out of stock**</dt><dd>**0.3%**</dd>

<dt>**Avg brand age**</dt><dd>**76 months**</dd>

<dt>**Avg seller age**</dt><dd>**157 days**</dd>

</dl>

## **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.

2K2KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

[**Open Trend **](https://flapen.com/research/us/pet-supplies/copepods/trend)

## **Top copepods search terms**

- **copepods**35K/yr-4.5%2.2% conv. - **copepods for saltwater aquarium**28K/yr-29.0%3.4% conv. - **live copepods**8K/yr-20.5%3.1% conv. - **copepod**5K/yr+21.3%0.7% conv. - **copepods for freshwater aquarium**4K/yr-8.1%0.5% conv. - **live copepods for reef tank**5K/yr-36.0%2.7% conv. - **copepods for sale**4K/yr-48.7%1.0% conv. - **algae barn**2K/yr-14.6%2.4% conv. [**All search terms **](https://flapen.com/research/us/pet-supplies/copepods/search-terms)

## **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.

0%10%$13K20%$26K30%$39K40%$52K1101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 15 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![AlgaeBarn Poseidons Feast :: Live Marine Copepods - 3000+ Tisbe & Tigriopus Pods for Mandarin & Finicky Fish (16oz)](https://m.media-amazon.com/images/I/51UdNwEBH5L.jpg)**AlgaeBarn Poseidons Feast :: Live Marine Copepods - 3000+ Tisbe & Tigriopus Pods for Mandarin & Finicky Fish (16oz)**AlgaeBarn**$29.98**4.4★576 rev](https://www.amazon.com/dp/B00LF3ZO98) [2![AlgaeBarn Live Copepods & Phytoplankton Combo Pack Tisbe & Tigriopus Pods + Live Phytoplankon (16oz)](https://m.media-amazon.com/images/I/41U5i7AR0mL.jpg)**AlgaeBarn Live Copepods & Phytoplankton Combo Pack Tisbe & Tigriopus Pods + Live Phytoplankon (16oz)**AlgaeBarn**$44.99**4.4★538 rev](https://www.amazon.com/dp/B01DSFN6V8) [3![AlgaeBarn 5280 Pods :: Live Copepods :: Three Pod Species Tisbe + Tigriopus + Apocyclops :: Clean Your Tank & Mandarin & Finicky Fish Food (5 280+ Pods)](https://m.media-amazon.com/images/I/518UtWpnwBL.jpg)**AlgaeBarn 5280 Pods :: Live Copepods :: Three Pod Species Tisbe + Tigriopus + Apocyclops :: Clean Your Tank & Mandarin & Finicky Fish Food (5 280+ Pods)**AlgaeBarn**$44.99**4.3★474 rev](https://www.amazon.com/dp/B01GGU7RLM) [4![Reef Nutrition Pods Live Copepods Food 6 oz](https://m.media-amazon.com/images/I/41c71ghljZL.jpg)**Reef Nutrition Pods Live Copepods Food 6 oz**SaltwaterAquarium**$29.57**3.3★52 rev](https://www.amazon.com/dp/B08Z6CJS11) [5![AlgaeBarn Tig Pods :: Live Copepods :: Tigriopus californicus Copepods :: Clean Your Tank :: Mandarin & Finicky Fish Food (3 000+ Pods)](https://m.media-amazon.com/images/I/41n-riPHXZL.jpg)**AlgaeBarn Tig Pods :: Live Copepods :: Tigriopus californicus Copepods :: Clean Your Tank :: Mandarin & Finicky Fish Food (3 000+ Pods)**AlgaeBarn**$35.00**4.1★94 rev](https://www.amazon.com/dp/B01GGXRSRM)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Copepod Refuge Block for Refugium Sump or Display Tank Made of Porous Ceramic](https://m.media-amazon.com/images/I/51Eg5J6AZ9L.jpg)**Copepod Refuge Block for Refugium Sump or Display Tank Made of Porous Ceramic**PirexaFley**$25.81**2 rev5mo ago](https://www.amazon.com/dp/B0GL6KGTN7) [![BiggerFish Live Copepods + Phytoplankton Combo Pack for Saltwater Fish Coral Invertebrates 2 16oz Bottles Provide Vital Biodiversity and Nutrition for Saltwater Reef Aquariums](https://m.media-amazon.com/images/I/41163BSg2ML.jpg)**BiggerFish Live Copepods + Phytoplankton Combo Pack for Saltwater Fish Coral Invertebrates 2 16oz Bottles Provide Vital Biodiversity and Nutrition for Saltwater Reef Aquariums**BiggerFish**$44.92**20 rev3y ago](https://www.amazon.com/dp/B0C8HH7TFH) [![BiggerFish Live Copepods for Fish and Marine Invertebrates 16oz Provides Vital Biodiversity and Nutrition for a Healthy Saltwater Reef Aquarium Ecosystem](https://m.media-amazon.com/images/I/41YiuymM2YL.jpg)**BiggerFish Live Copepods for Fish and Marine Invertebrates 16oz Provides Vital Biodiversity and Nutrition for a Healthy Saltwater Reef Aquarium Ecosystem**BiggerFish**$34.98**14 rev3y ago](https://www.amazon.com/dp/B0C7NGC2B7) [![Reef Nutrition Pods Live Copepods Food 6 oz](https://m.media-amazon.com/images/I/41c71ghljZL.jpg)**Reef Nutrition Pods Live Copepods Food 6 oz**SaltwaterAquarium**$29.57**52 rev5y ago](https://www.amazon.com/dp/B08Z6CJS11) [![AlgaeBarn Live Copepods & Phytoplankton Combo Pack Tisbe & Tigriopus Pods + Live Phytoplankon (16oz)](https://m.media-amazon.com/images/I/41U5i7AR0mL.jpg)**AlgaeBarn Live Copepods & Phytoplankton Combo Pack Tisbe & Tigriopus Pods + Live Phytoplankon (16oz)**AlgaeBarn**$44.99**538 rev9y ago](https://www.amazon.com/dp/B01DSFN6V8)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Copepod Refuge Block for Refugium Sump or Display Tank Made of Porous Ceramic](https://m.media-amazon.com/images/I/51Eg5J6AZ9L.jpg)**Copepod Refuge Block for Refugium Sump or Display Tank Made of Porous Ceramic**PirexaFley**$25.81**5.0★**▲ 184%**](https://www.amazon.com/dp/B0GL6KGTN7) [![Reef Nutrition Pods Live Copepods Food 6 oz](https://m.media-amazon.com/images/I/41c71ghljZL.jpg)**Reef Nutrition Pods Live Copepods Food 6 oz**SaltwaterAquarium**$29.57**3.3★**▲ 146%**](https://www.amazon.com/dp/B08Z6CJS11) [![AlgaeBarn Poseidons Feast :: Live Marine Copepods - 3000+ Tisbe & Tigriopus Pods for Mandarin & Finicky Fish (16oz)](https://m.media-amazon.com/images/I/51UdNwEBH5L.jpg)**AlgaeBarn Poseidons Feast :: Live Marine Copepods - 3000+ Tisbe & Tigriopus Pods for Mandarin & Finicky Fish (16oz)**AlgaeBarn**$29.98**4.4★**— 8%**](https://www.amazon.com/dp/B00LF3ZO98) [![AlgaeBarn Tig Pods :: Live Copepods :: Tigriopus californicus Copepods :: Clean Your Tank :: Mandarin & Finicky Fish Food (3 000+ Pods)](https://m.media-amazon.com/images/I/41n-riPHXZL.jpg)**AlgaeBarn Tig Pods :: Live Copepods :: Tigriopus californicus Copepods :: Clean Your Tank :: Mandarin & Finicky Fish Food (3 000+ Pods)**AlgaeBarn**$35.00**4.1★**— 7%**](https://www.amazon.com/dp/B01GGXRSRM) [![Seachem Reef Zooplankton 250 ml.](https://m.media-amazon.com/images/I/4192tvIJdhL.jpg)**Seachem Reef Zooplankton 250 ml.**Seachem**$8.66**4.7★**— 7%**](https://www.amazon.com/dp/B004YLJ2I2)

**~~View all trending →~~**

## **What buyers say about copepods**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Quality-Overall**32%

*“Excellent product”*

**Size-Overall**18%

*“Good size easy to use”*

**Freshness**14%

*“My copepods were all alive”*

**Ease Of Chewing/Swallowing**7%

*“Easy to feed spoon”*

**Advertised Vs Actual Product**7%

*“Seems to work as expected”*

**Ease Of Cleaning**7%

*“I also had a large clean up crew”*

**Value For Money**7%

*“Premium price for regular product”*

**Smell**4%

*“no smell so I would say it fresh”*

**Taste-Overall**4%

*“I would say they love the taste”*

### **What buyers complain about **

**Value For Money**35%

*“Yeah, it's a bit costly,”*

**Size-Overall**15%

*“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”*

**Durability**15%

*“But all ended up spitting them out”*

**Water Flow**10%

*“there's no buoyancy”*

**Color**10%

*“baby brine were dark brown”*

**Quality-Overall**10%

*“Questionable”*

**Ease Of Cleaning**5%

*“Now I'm left with a messy fry tank to clean up”*

### **Top return reasons **

**Functionality-Overall**29%

**Leak-Proof**17%

**Value For Money**16%

**Size-Overall**8%

**Compatibility-Overall**8%

**Defective Material/Parts**7%

**Advertised Vs Actual Product**7%

**Ingredients-Overall**3%

**Instructions/User Manual/Troubleshooting**3%

**Certifications**3%

## **Common questions**

<dl>

<dt>**Is copepods profitable to sell on Amazon United States?**</dt><dd>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).</dd>

<dt>**How competitive is the copepods niche?**</dt><dd>7 brands and 25 sellers compete. The top 5 products take 77% of clicks and top 5 brands hold 96% of demand.</dd>

<dt>**What do buyers complain about in copepods?**</dt><dd>Top complaints mined from reviews: Value For Money, Size-Overall, Durability. The return rate is 0.4%.</dd>

<dt>**When does demand for copepods peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.5× the quietest.</dd>

<dt>**What does it cost to enter the copepods niche?**</dt><dd>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.</dd>

</dl>

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