blood worms for fish
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 6% kills the launch gate
Conversion
Great8.5%search→purchase rate — share of searches ending in a sale
Price range
Good$3.69–$44.90cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Good71%top-5 brand share — brands hold most of the demand
Avg price
Good$12.62avg listing price — sweet spot $15–$100
Competition
Good55%top-5 click share — leaders hold, buyers still browse
Market size
Good$284K$284K/yr · 263K searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Review moat
Okay1,981.21avg incumbent reviews — the moat a new listing must climb
Growth
Bad-1.7%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, blood worms for fish is a $284K/yr Amazon United States market (263K searches/yr). The top 5 brands hold 71% of demand. Verdict: Worth a look — 56/100.
Data updated Jul 17, 2026 · scored weekly · How we score niches
blood worms for fish market data
- Units sold / yr
- 20K–25K
- avg 750–1,000/product
- Revenue / yr
- $252K–$316K
- units × avg price
- Launch success
- —
- 1 of 1 new (360d)
- Conversion rate
- 8.5%
- Avg BSR
- #217
- Page quality
- 0%
- Prime
- 96%
- Sponsored
- 67%
- Out of stock
- 3.0%
- Avg brand age
- 74 months
- Avg seller age
- 151 days
Competition & brand share
The top 5 products take 55% of clicks — established leaders, but buyers still shop beyond them.Brands
16 rising
Sellers
49
Top-5 brand share
71%
Top 20: 100%
Top-5 click share
55%
Top 20: 96%
Open market
24%
- Hikari18%
- FishBites17%
- Fluval17%
- JADINGSFARM10%
- Tetra10%
- Dylan's cabin5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -1.7% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Top blood worms for fish search terms
- blood worms for fish64K/yr
- blood worms35K/yr
- bloodworms29K/yr
- frozen bloodworms21K/yr
- bloodworms fish food21K/yr
- freeze dried bloodworms17K/yr
- frozen blood worms for fish17K/yr
- blood worms for betta11K/yr
- bloodworm7K/yr
- frozen blood worms7K/yr
Top blood worms for fish 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
Fluval Betta Freeze Dried Bloodworms 0.18 oz.
Fluval$4.484.6★612 rev
Hikari Bio-Pure Freeze Dried Blood Worms for Pets 0.42-Ounce
Hikari$9.294.6★3,093 rev
Tetra BloodWorms 0.25 Oz Freeze-Dried Food for Freshwater and Saltwater Fish Seafood (Pack of 1)
Tetra$4.884.5★15,500 rev
JADINGSFRAM Blood Worms Fish Food 3.5 oz Freeze Dried Bloodworms for Fish Bloodworms Fish Food for Freshwater Saltwater Tropical Fish Betta Cichlid Goldfish Guppy Turtle (3.5 OZ)
JADINGSFARM$17.024.5★200 rev
Fishbites Bag O Worms Bloodworm - Longer Lasting (3/8 Wide Red)
FishBites$7.644.4★553 rev
Newest
by launch date
JADINGSFARM Liquid Brine Shrimp Fish Food Enriched Aquarium Feed for All Life Stages Fry Development & Vibrant Fish Colors
JADINGSFARM$15.7438 rev
Vorenzyme Freeze Dried Blood Worms Fish Food - High Protein Natural Aquatic Food for Tropical & Saltwater Fish Betta Goldfish Cichlid Guppy - Enhances Color & Growth 3.5 oz
Vorenzyme$16.4461 rev
JADINGSFRAM Blood Worms Fish Food 2.5 oz Freeze Dried Bloodworms for Fish Bloodworms Fish Food for Freshwater Saltwater Tropical Fish Betta Cichlid Goldfish Guppy Turtle (2.5 OZ)
JADINGSFARM$14.65200 rev
Aquatic Foods Inc. Freeze-Dried Bloodworms Our Grade A Floating Bloodworms for All Freshwater Fish Marines Corals Anemones Baby Pond Fish0.5oz Squeeze Bottle
Aquatic Foods Inc.$8.9563 rev
yizeril Freeze Dried Bloodworms Fish Food - High Protein Aquatic Food for Goldfish Betta Cichlids Guppies Tropical & Saltwater Aquarium (30Z)
yizeril$14.4561 rev
Trending
90-day click momentum
Fishbites Bag O Worms Bloodworm - Longer Lasting (1/4 Wide Chartreuse)
FishBites$7.874.4★
Fishbites Bag OWorms Bloodworm - Fast Acting - Red (1/4 Wide)
FishBites$7.214.3★
JADINGSFARM Liquid Brine Shrimp Fish Food Enriched Aquarium Feed for All Life Stages Fry Development & Vibrant Fish Colors
JADINGSFARM$15.744.4★
Fishbites Bag O Worms Bloodworm - Longer Lasting (3/8 Wide Red)
FishBites$7.644.4★
Fishbites Bag O Worms Bloodworm - Longer Lasting (3/8 Wide Chartreuse)
FishBites$7.814.4★
What buyers say about blood worms for fish
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent product”
“Fish loves it”
“Tasty, good treat”
“Cheap price”
“Easy to store and use”
“really good size”
“Great ingredients and happy fish”
“Thats what I wanted”
“their colors look great”
“Easy to administer and keep fresh”
What buyers complain about
“Tiny bits”
“it was immediately hit with a very rancid smell”
“these are junk”
“My betta can't seem to swallow it on the first try”
“Ok. They don't hydrate”
“Too expensive”
“You'd think that being dehydrated they'd suck up water like a sponge”
“Dont buy the yellow one”
“The pieces break apart easily”
“Makes the tank very dirty after feeding”
Top return reasons
Common questions
- Is blood worms for fish profitable to sell on Amazon United States?
- The niche generates $284K/yr across 24 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -1.7%. Flapen's verdict: Worth a look (56/100).
- How competitive is the blood worms for fish niche?
- 16 brands and 49 sellers compete. The top 5 products take 55% of clicks and top 5 brands hold 71% of demand.
- What do buyers complain about in blood worms for fish?
- Top complaints mined from reviews: Size-Overall, Smell, Quality-Overall. The return rate is 0.1%.
- When does demand for blood worms for fish peak?
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- What does it cost to enter the blood worms for fish niche?
- Listings span $3.69–$44.90; the average listing price is $12.62 (sweet spot $15–$100). The average incumbent carries 1,981 reviews — the moat a new listing must climb.