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Fisheries; Fish/Prawn Units

1. What is this item?

A dedicated aquatic farming unit designed for the cultivation of fish or prawns, where water quality, feeding, and habitat conditions are managed to ensure the best growth for aquatic animals. Components include:

• Pond/Tank Construction: Can be earth-based ponds or reinforced tanks for controlled environments

• Water Circulation & Aeration Systems: To ensure proper oxygen levels and water movement

• Feeding Systems: Automatic or manual systems to provide balanced nutrition

• Water Treatment Units: Filtration systems, UV treatment, and aeration units

• Harvesting Systems: Gear for safely catching fish/prawns at harvest time

• Security Fencing: To protect from external threats and wildlife

2. How is the Quantity Estimated?

• Pond size: Typically, a small-scale pond might range from 500–1,000 sq ft, whereas a larger commercial setup can have 10,000–20,000 sq ft or more.

• Density of Stocking: For freshwater fish, you may stock 3-4 fish per square meter. For prawns, the density is usually 30-50 prawns per square meter in controlled environments.

3. What are the Cost Components?

• Pond/Tank Construction: ₹50–150/sq ft (depending on materials and size)

• Water Circulation & Aeration Systems: ₹10,000–40,000 per pond/tank

• Feeding Systems: ₹5,000–15,000 (manual or automatic)

• Water Treatment Systems: ₹20,000–50,000 for filtration, UV, aeration, etc.

• Harvesting Equipment: ₹15,000–40,000 for nets, tools, etc.

• Security Fencing: ₹50–100 per meter

4. What are the Going Rates & Per Unit Cost?

Component Cost Estimate Quantity/Size

Pond/Tank Construction ₹50–150/sq ft For 500–10,000 sq ft

Water Circulation & Aeration ₹10,000–40,000 Per pond/tank

Feeding Systems ₹5,000–15,000 Per unit

Water Treatment Systems ₹20,000–50,000 Filtration, aeration

Harvesting Equipment ₹15,000–40,000 For fishing nets, etc.

Security Fencing ₹50–100/meter Around perimeter

Estimated Total Cost (for 500–10,000 sq ft pond/tank):

• Small Unit (500–1,000 sq ft): ₹1.5–3 Lakh

• Larger Unit (5,000–10,000 sq ft): ₹5–10 Lakh