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 Rika Sensor is a weather sensor manufacturer and environmental monitoring solution provider with 10+ years of industry experience.

Aquaculture Monitoring Solution by RIKA SENSOR

The global aquaculture industry is facing significant pressure to balance productivity, environmental sustainability, and operational efficiency. From large-scale fish farms to oyster beds and mussel farms, the health of aquatic organisms and the financial viability of operations are directly tied to the stability of their growing environment. Traditional aquaculture management relies heavily on manual inspections and experience-driven decisions; this often leads to delayed responses to environmental changes, resulting in increased fish disease, mortality, and inefficient resource utilization.


RIKA SENSOR's Aquaculture Monitoring Solution addresses these challenges by integrating sensor technology, real-time data transmission, and intelligent analysis. This all-in-one system transforms aquaculture management through continuous online monitoring of critical environmental parameters, providing farmers and managers with 24/7 visibility into their operations. By turning raw data into practical decision-making references, our solution enables proactive decision-making, optimizes growth conditions, minimizes risks, and ultimately enhances the sustainability and profitability of aquaculture businesses worldwide.

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What Data is Included in Aquaculture Monitoring?

Aquaculture monitoring encompasses a suite of parameters tailored to the unique characteristics of freshwater and marine environments. These data points are categorized by their direct impact on aquatic life health, water quality, and operational management—delivering full environmental monitoring coverage.

• Dissolved Oxygen (DO): The most critical parameter for aquatic respiration. Low DO levels stress fish, reduce feeding efficiency, and increase mortality risk. Continuous monitoring ensures timely aeration adjustments to maintain optimal levels (5-9 mg/L for most species).

• pH Value: Influences nutrient availability, toxin toxicity, and biological enzyme activity. Freshwater systems typically require a pH of 6.5-8.5; marine environments need 7.8-8.5. Deviations can inhibit growth and induce disease.

• Ammonia (NH₄⁺): A toxic byproduct of fish excretion and feed decomposition. Elevated levels cause gill damage and immune suppression. Monitoring prevents acute toxicity events and guides feeding adjustments.
• Temperature: Regulates metabolic rates, reproduction cycles, and disease susceptibility. Different species have specific optimal ranges (e.g., 20-28°C for tilapia, 10-18°C for salmon). Real-time monitoring facilitates heating/cooling system control.

• Turbidity: Indicates water clarity and suspended solid levels. High turbidity blocks light penetration (critical for algae photosynthesis) and clogs fish gills. In shellfish farms, it directly affects feeding efficiency.

• Salinity: Exclusive to marine aquaculture (e.g., oyster, shrimp farms). Maintaining stable salinity (typically 20-35 ppt) ensures osmotic balance. Sudden changes from rainfall or freshwater inflow cause severe stress.

• Conductivity: Reflects water ion concentration, correlating with salinity and nutrient levels. Serves as a complementary indicator for water quality stability.
Secondary parameters indirectly impact aquaculture systems, such as atmospheric temperature, rainfall, and wind speed. These data help predict water quality changes (e.g., heavy rainfall lowering salinity in coastal farms) and optimize facility protection measures.
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Core Monitoring Data Categories

Prioritizes DO, temperature, pH, and ammonia monitoring to address high stocking densities and feed-related pollution risks.
Adds salinity and conductivity monitoring to adapt to tidal and coastal environmental fluctuations. Turbidity is critical for filter-feeding species survival.
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Components of RIKA SENSOR's Aquaculture Monitoring System

RIKA SENSOR provides a complete set of hydrological equipment and customized solutions to support the operation of hydrological station and hydrometeorological station, tailored to different application scenarios.

The frontline data collection unit uses high-precision sensors tailored to aquaculture scenarios. Key components include:
• Specialized sensors for DO, pH, temperature, turbidity, salinity, ammonia ion, and conductivity;
• Waterproof and corrosion-resistant enclosures (IP68-rated for marine applications);
The module enables real-time data transmission between terminals and the management platform, supporting multiple communication protocols:e communication protocols:
• 4G/NB-IoT for remote farms with limited infrastructure;
• LoRaWAN for large-scale ponds with extended coverage (up to 3km);
• Ethernet for factory aquaculture with stable network access.
The intelligent core of the solution, offering core data processing and management functions:
• Real-time dashboard displaying key parameters;
• Automated alert system (via email) for parameter deviations;
• Historical data analysis and trend visualization (supports daily, weekly, and monthly reports);
• Multi-device access (PC, smartphone, tablet) for on-the-go management.
Optional module that synchronizes video feeds with sensor data, enabling visual verification of aquatic behavior (e.g., fish surfacing due to low DO) and facility security monitoring.
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Aquaculture Station/Equipment from RIKA SENSOR

RIKA SENSOR provides end-to-end equipment supply and scenario-specific solutions, backed by industry-leading quality and service. Our offerings are designed to meet the diverse needs of small-scale ponds, large commercial farms, and high-tech factory aquaculture.

• For freshwater ponds housing species like carp and tilapia, we offer submersible sensor probes, floating stations, and LoRa communicators, featuring low power consumption with an optional solar-powered design and easy deployment that requires no modifications to existing ponds.
• For marine net cages raising salmon, sea bass, and other saltwater species, our corrosion-resistant sensor arrays, 4G communication terminals, and buoy stations.
• For factory aquaculture of shrimp, abalone, and similar high-value species, we provide multi-parameter sensors, wired communication systems, and integrated control solutions, with a high sampling frequency of 1 sample per second and seamless integration with aeration and feeding equipment to support intensive farming operations.
• For shellfish beds cultivating oysters, mussels, and other filter-feeding organisms, our turbidity-salinity combined sensors and long-range LoRa stations offer shallow water adaptation.
• Industry-Proven Durability: All equipment undergoes rigorous corrosion resistance and waterproof testing.
• High Measurement Precision: Offers reliable accuracy for critical metrics, meeting international aquaculture quality requirements.
• Innovative Technology Integration: Our R&D team continuously optimizes product functions based on market demands, incorporating adaptive calibration and anti-fouling technologies to reduce maintenance frequency.
• Professional Installation Guidance: Provide detailed installation manuals, and customized mounting brackets for different scenarios;
• Reliable After-Sales Service: Global 24/7 technical support hotline; 1-year product warranty;
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Related Products

RIKA offers a range of specialized products for aquaculture monitoring, each engineered to deliver reliable performance in aquatic environments:

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CUSTOMER CASE

Rika Sesnor have many successful customer cases for water quality monitoring equipment & system.

Country: Indonesia
◉ Background: The customer's company is focused on providing innovative solutions for managing water resources, including rivers, reservoirs, dams, raw material irrigation, and groundwater.
◉ Requirement: The customer needed reliable and precise sensors to monitor and manage water resources, focusing on accurate measurement and data collection for better decision-making in water management.
◉ Solution: Rika Sensor offered a range of sensors, including pH sensors, turbidity sensors, level sensors, wind speed sensors, wind direction sensors, and temperature and humidity sensors, to support accurate water resource management.
◉ Outcome: The customer showed strong interest in Rika's products and recognized the company's capability to meet their needs in water resource monitoring.
◉ Customer Feedback: The customer expressed recognition of Rika Sensor's strength and technical expertise, showing a strong interest in the proposed products for their projects.
Country: Brazil
◉ Background: The customer, from the photovoltaic industry, sought reliable solutions for monitoring solar energy performance. They reached out to Rika Sensor to explore products for solar radiation measurement and environmental monitoring.
◉ Requirement: They needed accurate solar radiation sensors, atmospheric temperature and humidity sensors, tipping bucket rain gauges, and photovoltaic dust monitoring systems to optimize solar energy management.
◉ Solution: Rika Sensor provided tailored solutions, including solar radiation sensors and other environmental monitoring systems, ensuring high accuracy and durability to meet the customer's specific needs in solar energy projects.
◉ Outcome: The customer signed multiple orders for various solar radiation products, establishing a long-term collaboration. These products met their needs for accurate monitoring of solar performance, and the customer is now a repeat buyer.
◉ Customer Feedback: The customer expressed appreciation for Rika Sensor's expertise and product quality, specifically highlighting the reliability of the solar radiation sensors. They value the continued partnership with Rika and look forward to further integrating these solutions into their projects.
Country: Philippines
◉ Background: The customer, from the photovoltaic industry, sought advanced solutions for monitoring solar energy performance in their projects.
◉ Requirement: They needed a reliable photovoltaic weather station to accurately monitor weather conditions and optimize solar energy generation.
◉ Solution: Rika Sensor provided a photovoltaic weather station tailored to the customer's needs, offering high-precision monitoring of environmental conditions to support efficient solar energy management.
◉ Outcome: The customer showed strong interest in Rika's photovoltaic weather station and recognized its potential to enhance solar energy performance monitoring.
◉ Customer Feedback: The customer praised Rika Sensor's expertise in the photovoltaic sector, expressing confidence in the quality and reliability of the proposed weather station for their solar energy projects.
Country: China
◉ Background: The customer, China Telecom, a global Fortune 500 company, sought advanced IoT-based environmental monitoring solutions for their various projects.
◉ Requirement: They needed a range of IoT environmental monitoring sensors to gather accurate data for smart city applications, infrastructure management, and environmental protection.
◉ Solution: Rika Sensor offered a variety of IoT environmental monitoring sensors, including air quality sensors, temperature and humidity sensors, noise sensors, and other specialized sensors tailored to their requirements for comprehensive environmental monitoring.
◉ Outcome: During the meeting, China Telecom and Rika Sensor reached a significant collaboration agreement, paving the way for future large-scale projects using Rika's IoT environmental sensors across their infrastructure and smart city initiatives.
◉ Customer Feedback: China Telecom expressed great confidence in Rika Sensor's expertise and product quality, praising the customized solutions provided. They are eager to move forward with the collaboration and implement Rika's sensors in their upcoming projects.
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FAQ

1
Q: Significance of Ammonia Nitrogen Measurement in Aquaculture
A: Ammonia nitrogen in ponds originates from feed, aquatic animal excreta, fertilizers, and the decomposition of animal carcasses. Excessively high ammonia nitrogen content will affect the growth of fish and shrimp; extremely high levels can cause poisoning and death, resulting in significant losses to production. Systematic monitoring of ammonia nitrogen content is required—when it exceeds the normal range, the aquaculture area should be cleaned or water should be replaced. Generally, the ammonia nitrogen content should be kept below 0.5mg/L.
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Q: Application Issues of Ion Sensors in Mariculture
A: Currently, domestic ion sensors have low accuracy. Coupled with the large number of interfering ions in seawater, the data becomes even less reliable. Even with ammonium (NH₄⁺), potassium ion, and pH compensation, the effect is still unsatisfactory—while data accuracy improves slightly, drift remains very severe. The calibration frequency needs to be increased to even once every 10 days or so.
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Q: Key Parameters to Monitor in Aquaculture
A: Conventional five parameters: temperature, Electrical Conductivity (EC), pH, Turbidity, and Dissolved Oxygen (DO). If necessary, Ammonium (NH₄⁺), Nitrate (NO₃⁻), and Nitrite (NO₂⁻) can be added, but such sensors have low accuracy.
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Q: Service Life of Sensors
A: • pH sensors (electrochemical principle): Approximately 1 year; can be appropriately extended with frequent maintenance and a good operating environment.
• DO sensors (with fluorescent membrane): Fluorescent membrane needs replacement every 6 months to 1 year.
• EC, Turbidity, and Temperature sensors: Up to 3 years or longer.
• Ion sensors: Generally 6 months to 1 year.
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Q: Sensor Installation Requirements
A: • All sensors have an IP68 waterproof rating and support submersible installation. They must be installed away from equipment that generates bubbles (e.g., aerators).
• Protective measures should be taken to prevent fish and shrimp from biting and damaging the sensors.
• Bottom-touching installation is prohibited; maintain a distance of at least 10 centimeters from the pond bottom.
• Regular maintenance, cleaning, and calibration are required to ensure measurement accuracy.
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