10 Best Saltwater Fish Foods 2025: According to Reviews | Chewy

The 10 Best Saltwater Fish Foods

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How we created this saltwater fish food list

We leveraged input from our veterinarians and artificial intelligence to identify key considerations to help you find the best saltwater fish food.
We scanned thousands of customer reviews and ratings and scored each product based on its performance against each of the key considerations. We then considered how popular a product is with Chewy customers and combined that with its key consideration scores to create the list of the best saltwater fish foods.

Key saltwater fish food considerations

Digestibility

Ingredients

Nutritional Content

Palatability

1
Tetra JumboKrill Freeze-Dried Shrimp Freshwater & Saltwater Fish Treats, 3.5-oz jar
Tetra JumboKrill Freeze-Dried Shrimp Freshwater & Saltwater Fish Treats, 3.5-oz jar
Tetra JumboKrill Freeze-Dried Shrimp Freshwater & Saltwater Fish Treats, 3.5-oz jar
Tetra JumboKrill Freeze-Dried Shrimp Freshwater & Saltwater Fish Treats, 3.5-oz jar
Tetra JumboKrill Freeze-Dried Shrimp Freshwater & Saltwater Fish Treats, 3.5-oz jar
Tetra JumboKrill Freeze-Dried Shrimp Freshwater & Saltwater Fish Treats, 3.5-oz jar
Tetra JumboKrill Freeze-Dried Shrimp Freshwater & Saltwater Fish Treats, 3.5-oz jar

Tetra JumboKrill Freeze-Dried Shrimp Freshwater & Saltwater Fish Treats, 3.5-oz jar

Rated 4.7 out of 5 stars
73
$17.68Chewy Price
($5.06/oz)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Digestibility

4.6/5
Excellent

Ingredients

4.7/5
Excellent

Nutritional Content

4.7/5
Excellent

Palatability

4.6/5
Excellent

Is this saltwater fish food right for my pet?

Top Ingredients

Freeze Dried Krill, Vitamin E Supplement

Fish Type

Marine Fish, Tropical Freshwater

Food Form

Treats, Freeze-Dried, Shrimp
2
Omega One Freeze-Dried Brine Shrimp Freshwater & Marine Fish Treat, 1.28-oz jar
Omega One Freeze-Dried Brine Shrimp Freshwater & Marine Fish Treat, 1.28-oz jar
Omega One Freeze-Dried Brine Shrimp Freshwater & Marine Fish Treat, 1.28-oz jar
Omega One Freeze-Dried Brine Shrimp Freshwater & Marine Fish Treat, 1.28-oz jar
Omega One Freeze-Dried Brine Shrimp Freshwater & Marine Fish Treat, 1.28-oz jar

Omega One Freeze-Dried Brine Shrimp Freshwater & Marine Fish Treat, 1.28-oz jar

Rated 4.5 out of 5 stars
142
$10.88Chewy Price
($8.50/oz)
Promo, Spend $100, Get $30 eGift Card with code HAVEFUN

Our ratings

Digestibility

4.4/5
Great

Ingredients

4.5/5
Great

Nutritional Content

4.4/5
Great

Palatability

4.5/5
Great

Is this saltwater fish food right for my pet?

Top Ingredients

Brine Shrimp, Vitamin E Supplement

Special Diet

High-Protein

Fish Type

Marine Fish, Tropical Freshwater, Betta

Food Form

Treats, Freeze-Dried, Shrimp
3
SunGrow Algae Wafers Bottom Feeder, Snail & Pleco Sinking Fish Food, 2.8-oz
SunGrow Algae Wafers Bottom Feeder, Snail & Pleco Sinking Fish Food, 2.8-oz
SunGrow Algae Wafers Bottom Feeder, Snail & Pleco Sinking Fish Food, 2.8-oz
SunGrow Algae Wafers Bottom Feeder, Snail & Pleco Sinking Fish Food, 2.8-oz
SunGrow Algae Wafers Bottom Feeder, Snail & Pleco Sinking Fish Food, 2.8-oz

SunGrow Algae Wafers Bottom Feeder, Snail & Pleco Sinking Fish Food, 2.8-oz

Rated 4.6 out of 5 stars
40
$8.99Chewy Price
($3.22/oz)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Digestibility

4.3/5
Great

Ingredients

4.4/5
Great

Nutritional Content

4.4/5
Great

Palatability

4.4/5
Great

Is this saltwater fish food right for my pet?

Aquarium Type

Saltwater, Freshwater

Fish Type

Betta, Bottom Feeder, Cichlid, Discus...

Food Form

Supplement, Wafers

Health Feature

Vitamins & Minerals
4
Repashy Superfoods Soilent Green Gel Premix Fish, Amphibian & Reptile Food, 3-oz bottle
Repashy Superfoods Soilent Green Gel Premix Fish, Amphibian & Reptile Food, 3-oz bottle

Repashy Superfoods Soilent Green Gel Premix Fish, Amphibian & Reptile Food, 3-oz bottle

Rated 4.7 out of 5 stars
45
$10.77Chewy Price
($3.59/oz)
Promo, Spend $100, Get $30 eGift Card with code HAVEFUN

Our ratings

Digestibility

4.6/5
Excellent

Ingredients

4.6/5
Excellent

Nutritional Content

4.7/5
Excellent

Palatability

4.6/5
Excellent

Is this saltwater fish food right for my pet?

Top Ingredients

Spirulina Algae, Algae Meal (Chlorella), Krill Meal, Pea Protein Isolate, Black Soldier Fly Larvae Meal

Fish Type

Marine Fish, Tropical Freshwater

Food Form

Mix
5
Zoo Med Pleco Banquet Block Fish Food, .45-oz
Zoo Med Pleco Banquet Block Fish Food, .45-oz
Zoo Med Pleco Banquet Block Fish Food, .45-oz
Zoo Med Pleco Banquet Block Fish Food, .45-oz
Zoo Med Pleco Banquet Block Fish Food, .45-oz

Zoo Med Pleco Banquet Block Fish Food, .45-oz

Rated 4.3 out of 5 stars
176
$5.99Chewy Price
($13.32/oz)
Promo, Spend $100, Get $30 eGift Card with code HAVEFUN

Our ratings

Digestibility

3.6/5
Good

Ingredients

3.8/5
Good

Nutritional Content

3.7/5
Good

Palatability

4.0/5
Great

Is this saltwater fish food right for my pet?

Top Ingredients

Calcium Sulfate, Plankton, Powdered Cellulose, Spirulina Algae, Magnesium Sulfate

Aquarium Type

Freshwater

Fish Type

Bottom Feeder, Tropical Freshwater, Marine Fish

Food Form

Feeders / Blocks
6
Omega One Freeze-Dried Blood Worms Freshwater & Marine Fish Treat, .96-oz jar
Omega One Freeze-Dried Blood Worms Freshwater & Marine Fish Treat, .96-oz jar
Omega One Freeze-Dried Blood Worms Freshwater & Marine Fish Treat, .96-oz jar
Omega One Freeze-Dried Blood Worms Freshwater & Marine Fish Treat, .96-oz jar
Omega One Freeze-Dried Blood Worms Freshwater & Marine Fish Treat, .96-oz jar

Omega One Freeze-Dried Blood Worms Freshwater & Marine Fish Treat, .96-oz jar

Rated 4.5 out of 5 stars
244
$12.50Chewy Price
($13.03/oz)
Promo, Spend $100, Get $30 eGift Card with code HAVEFUN

Our ratings

Digestibility

3.8/5
Good

Ingredients

3.9/5
Good

Nutritional Content

3.9/5
Good

Palatability

3.6/5
Good

Is this saltwater fish food right for my pet?

Top Ingredients

Blood Worms, Vitamin E Supplement

Special Diet

High-Protein

Fish Type

Cichlid, Betta, Tropical Freshwater, Marine Fish...

Food Form

Treats, Freeze-Dried
7
Tetra BabyShrimp Sun Dried Gammarus Freshwater & Saltwater Fish Food, .35-oz jar
Tetra BabyShrimp Sun Dried Gammarus Freshwater & Saltwater Fish Food, .35-oz jar
Tetra BabyShrimp Sun Dried Gammarus Freshwater & Saltwater Fish Food, .35-oz jar
Tetra BabyShrimp Sun Dried Gammarus Freshwater & Saltwater Fish Food, .35-oz jar
Tetra BabyShrimp Sun Dried Gammarus Freshwater & Saltwater Fish Food, .35-oz jar
Tetra BabyShrimp Sun Dried Gammarus Freshwater & Saltwater Fish Food, .35-oz jar

Tetra BabyShrimp Sun Dried Gammarus Freshwater & Saltwater Fish Food, .35-oz jar

Rated 4.6 out of 5 stars
116
$4.16Chewy Price
($11.89/oz)
Promo, Spend $100, Get $30 eGift Card with code HAVEFUN

Our ratings

Digestibility

4.4/5
Great

Ingredients

4.6/5
Excellent

Nutritional Content

4.7/5
Excellent

Palatability

4.4/5
Great

Is this saltwater fish food right for my pet?

Top Ingredient

Sun-Dried Freshwater Shrimp

Fish Type

Goldfish, Marine Fish, Tropical Freshwater

Food Form

Dehydrated, Shrimp
8
NorthFin Veggie Formula 3 mm Sinking Pellets Fish Food, 250-g bag
NorthFin Veggie Formula 3 mm Sinking Pellets Fish Food, 250-g bag
NorthFin Veggie Formula 3 mm Sinking Pellets Fish Food, 250-g bag
NorthFin Veggie Formula 3 mm Sinking Pellets Fish Food, 250-g bag

NorthFin Veggie Formula 3 mm Sinking Pellets Fish Food, 250-g bag

Rated 5 out of 5 stars
8
$14.99Chewy Price
($0.06/g)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Digestibility

4.8/5
Excellent

Ingredients

4.7/5
Excellent

Nutritional Content

4.7/5
Excellent

Palatability

4.7/5
Excellent

Is this saltwater fish food right for my pet?

Top Ingredients

Kelp, Whole Antarctic Krill Meal, High Omega-3 (DHA) Herring Meal, Whole Sardine Meal, Wheat Flour

Aquarium Type

Saltwater, Freshwater

Fish Type

Tropical Freshwater, Marine Fish

Food Form

Sinking Pellets
9
Omega One Sinking Catfish Pellets with Shrimp Freshwater & Saltwater Fish Food, 8.25-oz jar
Omega One Sinking Catfish Pellets with Shrimp Freshwater & Saltwater Fish Food, 8.25-oz jar
Omega One Sinking Catfish Pellets with Shrimp Freshwater & Saltwater Fish Food, 8.25-oz jar
Omega One Sinking Catfish Pellets with Shrimp Freshwater & Saltwater Fish Food, 8.25-oz jar

Omega One Sinking Catfish Pellets with Shrimp Freshwater & Saltwater Fish Food, 8.25-oz jar

Rated 4.4 out of 5 stars
115
$13.29Chewy Price
($1.62/oz)
Promo, Spend $100, Get $30 eGift Card with code HAVEFUN

Our ratings

Digestibility

4.4/5
Great

Ingredients

4.4/5
Great

Nutritional Content

4.3/5
Great

Palatability

4.4/5
Great

Is this saltwater fish food right for my pet?

Top Ingredients

Salmon, Whole Herring, Whole Shrimp, Wheat Flour, Wheat Germ

Fish Type

Marine Fish, Tropical Freshwater

Food Form

Sinking Pellets
10
Cobalt Aquatics Spirulina Flakes Fish Food, 1.2-oz jar
Cobalt Aquatics Spirulina Flakes Fish Food, 1.2-oz jar
Cobalt Aquatics Spirulina Flakes Fish Food, 1.2-oz jar
Cobalt Aquatics Spirulina Flakes Fish Food, 1.2-oz jar
Cobalt Aquatics Spirulina Flakes Fish Food, 1.2-oz jar
Cobalt Aquatics Spirulina Flakes Fish Food, 1.2-oz jar
Cobalt Aquatics Spirulina Flakes Fish Food, 1.2-oz jar

Cobalt Aquatics Spirulina Flakes Fish Food, 1.2-oz jar

Rated 4.8 out of 5 stars
16
$7.94Chewy Price
($6.62/oz)
Promo, New Customers Only: Spend $49+, Get $20 eGift Card

Our ratings

Digestibility

4.5/5
Great

Ingredients

4.4/5
Great

Nutritional Content

4.4/5
Great

Palatability

4.6/5
Excellent

Is this saltwater fish food right for my pet?

Top Ingredients

Salmon Meal, Wheat Flour, Soy Flour, Brewers Dried Yeast, Corn Starch

Special Diet

Low Phosphorus, High-Protein

Aquarium Type

Saltwater, Freshwater, Brackish

Fish Type

Marine Fish