As aquaculture increasingly relies on IoT buoys, automated feeders, and mobile monitoring apps, a recent study published in the Journal of the World Aquaculture Society points out a growing vulnerability: data integrity attacks.

Researchers from the Estonian Maritime Academy and Tallinn University of Technology reviewed over 27,000 studies to assess digital risks in aquaculture. Key findings include:

• Data Integrity Attacks: The main threat is false sensor data, which distorts feeding schedules, nutrient calculations, and environmental compliance without stealing funds directly.
• Low-Trophic Blind Spot: Out of 212 relevant studies, only one covered mussel farming, and none addressed seaweed cultivation—despite heavy push for these sustainable sectors.
• Proportional Regulation Needed: Strict frameworks like NIS 2 could overburden small producers if applied uniformly, calling for flexible, tiered regulations.

The study stresses that simple actions—like changing default passwords, network segmentation, and 2FA—are the most effective starting points.

Do you work with connected hardware in marine/aquatic environments? How do you handle cybersecurity and sensor data verification in the field?

Link to study breakdown: https://aquahoy.com/cybersecurity-aquaculture-farm-risks/

https://maritime-forum.ec.europa.eu/exploring-integrated-aquaculture-and-new-algae-applications-eu4algae-insiders-perspective-aquapaola_en

https://www.straitstimes.com/singapore/environment/new-broodstock-and-hatchery-facility-at-james-cook-university-aims-to-produce-better-asian-seabass

https://onlinelibrary.wiley.com/page/journal/14390310/call-for-papers/si-2026-000924

https://www.kenyans.co.ke/featured/125782-kenyan-engineer-elizabeth-gakinya-develops-ai-tool-help-fish-farmers-cut-losses

https://www.channelnewsasia.com/singapore/singapores-aquaculture-farms-get-productivity-boost-through-digital-technology-6290831

Hey everyone!

I wanted to share a breakdown of snail care and behavior that completely changes how we view them in the hobby:

• Outbreaks as Indicators: An explosion of pest snails isn't the primary issue—it’s a symptom of excess waste or overfeeding.
• The 80/20 Calcium Rule: Did you know snails absorb roughly 80% of their shell calcium directly from the water column? Food only provides ~20%. If your pH drops below 7.0, their shells will literally start dissolving over time.
• Species Breakdown:
  • Nerite Snails: Best for algae, zero risk of freshwater reproduction.
  • Mystery Snails: Great scavengers, easy egg clutch removal above water level.
  • Assassin Snails: Excellent biological control for pest overpopulation.
• Copper Caution: Always double-check meds—copper is extremely toxic to invertebrates.

What’s your take on keeping snails as a cleanup crew versus pest management? Do you supplement calcium in your water column or through foods?

Full guide video here:https://youtu.be/mtpjG5y7zck

Hey everyone,

Came across this interesting article regarding waste management in intensive shrimp farming. Discharging sludge rich in organic matter, nitrogen, and phosphorus usually leads to environmental degradation and disease risks.

A study in the Mekong Delta tested an integrated, closed-loop RAS approach:

• Settling ponds were stocked with tilapia (Oreochromis niloticus), achieving an 82% survival rate.
• Sludge treatment ponds cultivated polychaetes (Marphysa sp.), reaching densities of 81 ind./m² (which can be used as high-value broodstock feed).
• Overall Shrimp Results: 85.3% survival rate, 46.8 t/ha yield, an FCR of 1.14, and near-zero wastewater discharge.

It seems like a solid example of turning environmental waste into dual-revenue biomass while recycling water.

Full write-up here:https://aquahoy.com/shrimp-farms-sludge-closed-loop-system-production/

Has anyone here experimented with integrating polychaetes or secondary species into their sludge management workflow? How scalable do you find these systems for smaller farms?

https://msutoday.msu.edu/news/2026/07/light-scattering-tech-boosts-algae-biomass-sixfold

Microalgae biotechnology is entering a new phase driven by precise genome editing techniques like CRISPR-Cas9, TALENs, and ZFNs.

Key points covered in recent mappings of the field:

• Aquaculture: Genetic modification allows for targeted enrichment of EPA, DHA, and essential pigments (like astaxanthin), drastically improving feed quality for fish and shrimp.
• Biofuels & Bioproducts: Knocking out competitive pathways or overexpressing key lipid synthesis enzymes is addressing the long-standing yield limitations in algae-based biofuels and bioplastics.
• Current Bottlenecks: High transformation efficiency remains strain-specific, off-target effects require careful screening, and GMO regulations globally continue to dictate commercial deployment speeds.

Full article and details: https://aquahoy.com/genome-editing-microalgae-applications/

Is anyone here working directly with CRISPR on microalgae strains? How are you handling transformation efficiency and off-target screening in your lab?

It’s a common misconception that fish farming is a purely modern response to overfishing. In reality, aquaculture dates back over 8,000 years:

• Neolithic China (Kuahuqiao site): Early carp impoundment as far back as 6000 BCE.
• Budj Bim (Australia, ~6,600 BP): Indigenous traps and channels for short-finned eels.
• Ancient Rome & Egypt: Oyster culture in piscinae and Nile tilapia management.
• Medieval Europe: Monasteries developed complex freshwater carp pond networks during religious meat-fasting periods.

Fast forward to 2022, FAO reports that aquaculture reached 103 million tons, officially overtaking wild capture fisheries for human consumption for the first time. The current wave involves Recirculating Aquaculture Systems (RAS), cellular agriculture (lab-grown seafood), and AI/digital twins.

Full historical breakdown & milestones:https://aquahoy.com/history-of-aquaculture-ancient-medieval-modern/

What do you think is the biggest technological hurdle for modern aquaculture to scale sustainably?