Microalgae-Based Aquafeed - Market Share Analysis, Industry Trends & Statistics, Growth Forecasts (2026-2031)

The microalgae-based aquafeed market size is anticipated to expand from USD 295 million in 2025 and USD 320.08 million in 2026 to USD 481.29 million by 2031, registering a 8.5% CAGR between 2026 to 2031. This report is Segmented by Product Type (Whole Microalgae, Algae Meal or Flour, Algal Oil DHA-Rich, Algae Protein Isolate, and Others), by Species (Spirulina, Chlorella, Nannochloropsis, Schizochytrium, and Others), and by Geography (North America, South America, Europe, Asia-Pacific, Middle East, and Africa). The Market Forecasts are Provided in Terms of Value (USD).

Global Microalgae-Based Aquafeed Market Trends and Insights

Rapid Cost Decline in Closed-Photobioreactor Farming

Closed photobioreactors are cutting operating expenses below USD 3 per kilogram of dry biomass, closing the historical gap with fishmeal and spurring wider use of algae in premium salmon and shrimp feeds. Algiecel secured DKK 50 million (USD 6.7 million) in 2024 to deploy modular units at industrial emission points, demonstrating the scalability of mobile systems that capture waste carbon dioxide at source. Lifecycle analyses indicate Spirulina production costs could fall to USD 1.30 per kilogram at full scale, positioning algae near price parity with fishmeal as long as spot prices stay above USD 1,700 per metric ton. The closed-system design also eliminates contamination from mycotoxins and heavy metals, a key requirement for premium formulations in the microalgae-based aquafeed market. Regulators such as the United States Food and Drug Administration and the European Food Safety Authority favor photobioreactor-grown strains for their traceability, shortening approval times versus open-pond alternatives.

Premium Pricing Opportunity for Antibiotic-Free Seafood

Retailers in Europe and North America pay double-digit premiums for antibiotic-free salmon and shrimp, giving farmers a direct economic incentive to adopt immune-boosting algal ingredients. The Veramaris Big Data Chile study 2026 study covering 143 million Chilean salmon showed diets containing at least 7.2% combined eicosapentaenoic acid and docosahexaenoic acid improved feed conversion ratios and cut quality downgrades by up to 100%, reinforcing the cost-benefit case for algae inclusion. Trials with Microchloropsis gaditana increased fillet omega-3 content by 23% and reduced bacterial infections by 85.68%, demonstrably lowering antibiotic use. Similar effects were observed in shrimp, where Spirulina at 10% inclusion increased final weight to 10.82 grams and halved Vibrio mortality, demonstrating that microalgae-based aquafeed market solutions can drive both health and financial gains. As consumer awareness continues to rise, antibiotic-free labeling is moving from a differentiator to a prerequisite in premium channels, cementing algae’s role in high-value aquaculture.

Regulatory Approval Lag for Novel Algae Strains

The United States Food and Drug Administration's Generally Recognized as Safe pathway and the European Union's Novel Food regulation can add 2-3 years and significant documentation costs before the commercial launch of new strains. This delay is acute for CRISPR-edited high-EPA algae that offer superior lipid profiles yet face stricter scrutiny, especially in Europe and Japan, where public skepticism toward gene editing persists. Companies such as KnipBio secured United States and Canadian approvals for bacterial biomass in 2025 but still await European clearance, limiting scale-up across the microalgae-based aquafeed market. Regulatory fragmentation forces producers to maintain separate production lines, duplicating costs and slowing global rollouts. Lack of harmonization under Codex Alimentarius keeps the approval lag a structural restraint in the medium term.

Other drivers and restraints analyzed in the detailed report include:

• Corporate Net-Zero Pledges are Accelerating Algae Inclusion
• Regenerative Aquaculture Certifications are Emerging
• Public Perception of Genetically Edited Algal Feeds

Segment Analysis

Algal oil held the largest 38.0% share of the microalgae-based aquafeed market in 2025, as salmon producers rely on its stable docosahexaenoic acid profile to secure premium fillet pricing. In contrast, protein isolates are the fastest segment and are projected to grow at a 13.5% CAGR during 2026-2031 as shrimp hatcheries in Thailand, Ecuador, and India replace fishmeal with high-protein concentrates that lift larval survival. The microalgae-based aquafeed market size for isolates is expanding further as the United States Food and Drug Administration's Generally Recognized as Safe rules and the European Union's Novel Food reviews favor standardized compositions that streamline safety checks. Cost declines in closed photobioreactors and the ability to monetize carbon credits narrow the price gap with fishmeal, reinforcing the adoption of the fastest segment.

Whole microalgae and algal meal occupy niche positions that deliver pigmentation and immune benefits to tilapia and ornamental fish at 5-15% inclusion, even when cell wall barriers reduce digestibility. Algal oil is still forecast to grow at a solid CAGR through 2031 as multi-year supply contracts ensure steady demand in premium salmon and marine finfish feeds. Multi-functional oils, such as the Omega Origins launched by Fermentalg in 2026, contain 40% eicosapentaenoic acid and 20% docosahexaenoic acid. These oils reduce post-processing steps and lower finished-feed costs. Producers that can co-cultivate multiple strains inside modular systems gain flexibility to supply blended ingredients that meet diverse nutrient targets across the remaining segments.

Complete Report Scope:

• By Product Type
  • Whole Microalgae
  • Algae Meal/Flour
  • Algal Oil (DHA-rich)
  • Algae Protein Isolate
  • Others
• By Species
  • Spirulina
  • Chlorella
  • Nannochloropsis
  • Schizochytrium
  • Others
• By Geography
  • North America
    • United States
    • Canada
    • Mexico
    • Rest of North America
  • South America
    • Brazil
    • Argentina
    • Rest of South America
  • Europe
    • Germany
    • United Kingdom
    • France
    • Italy
    • Spain
    • Russia
    • Rest of Europe
  • Asia-Pacific
    • China
    • India
    • Japan
    • South Korea
    • Australia and New Zealand
    • Rest of Asia-Pacific
  • Middle East
    • Saudi Arabia
    • United Arab Emirates
    • Rest of Middle East
  • Africa
    • South Africa
    • Egypt
    • Rest of Africa

Geography Analysis

Europe delivered the largest 35.5% share of the microalgae-based aquafeed market in 2025, as Norwegian and Danish salmon farmers adopted algal oils to meet Marine Stewardship Council traceability and antibiotic-free standards. Asia-Pacific is the fastest region, forecast to expand at a 10.7% CAGR from 2026-2031 on the back of India’s zero-tariff algal oil policy and China’s alternative-protein incentives. Europe continues to channel public funding into microalgae biorefineries that clean aquaculture effluent, while Asia-Pacific leverages import duty cuts to narrow the cost gap with fishmeal. These contrasting yet complementary policy drivers underpin divergent growth paths in the largest and fastest regional markets.

North America is growing steadily as Food and Drug Administration approvals open the door for novel strains and as salmon producers integrate algae to curb Scope 3 emissions. South America benefits from Chilean data showing improved feed conversion ratios and fewer downgrades when algal oils exceed 7.2% combined long-chain omega-3 content. The Middle East scales seawater-adapted Spirulina and Chlorella facilities that link carbon capture with inland aquaculture expansion. Africa remains early-stage, with pilot projects in Egypt and South Africa awaiting further cost declines before commercial rollouts.

Regional investment patterns signal accelerating capacity additions. European photobioreactor hubs in Scotland and France target multi-fold capacity jumps by 2027, while Japanese and South Korean pilots validate technology ahead of full commercialization. New carbon-credit programs in Norway and California offset up to 15% of production cost, making algae more competitive and fuelling cross-continental interest. As fishmeal volatility persists and sustainability labels harden, every major aquaculture zone is projected to widen algae usage, collectively expanding the global microalgae-based aquafeed market.

List of Companies Covered in this Report:

• Cargill, Incorporated
• Corbion N.V.
• BioMar Group A/S
• Nutreco N.V. (Skretting)
• Alltech, Inc.
• DSM-Firmenich AG
• Archer-Daniels-Midland Company
• AlgaEnergy, S.A.
• Innovafeed SAS
• KnipBio, Inc.
• Cyanotech Corporation
• Algatech Ltd.
• Mowi ASA (Mowi Feed)
• Aller Aqua A/S
• Qualitas Health Inc.

Additional Benefits:

• The market estimate (ME) sheet in Excel format
• 3 months of analyst support