SPECIES PROFILE
Species profile
A riverine warm-water catfish suited to productive ponds and intensive systems when oxygen and waste loads are engineered honestly.
Also known as: Pangasius; Striped catfish; Sutchi catfish; Tra; Basa is commonly used in markets but may also refer to Pangasius bocourti
SPECIES PROFILE
Pictographic profile
- Water
- Warm freshwater
- Behaviour
- Riverine air-breathing catfish
- Feeding
- Omnivore
- Culture route
- Pond, cage or RAS
- Status
- Established Asian culture
IDENTITY
Species overview
Pangasius is an important tropical freshwater food fish with strong pond and cage-culture relevance. Its air-breathing capability and tolerance support intensive production, but feed load, suspended solids, bottom condition and nitrogen accumulation still determine system stability.
IDENTITY
Biological features
- Streamlined silvery-grey scaleless body with a forked tail and short barbels.
- Active schooling fish capable of using the full water column.
- Widely processed into boneless white fillets and value-added products.
PROFILE
Historical background
Striped catfish production expanded from Mekong-region river culture into hatchery-supported ponds and cages and a large fillet trade. In India it is a recognized diversification species under applicable rules, but stock identity, seed quality and environmental management remain important.
PROFILE
Habits and behaviour
Native to large Southeast Asian rivers and floodplains, Pangasius undertakes seasonal movements linked to flooding and reproduction. It is omnivorous, feeding on plant material, fruits, invertebrates and fish, with diet changing by age and availability.
PROFILE
Biology and life-cycle relevance
A migratory river catfish that spawns during seasonal hydrological cues in nature. Commercial hatchery production uses managed broodstock and induced reproduction. Nursery uniformity and careful feeding support later grow-out.
PROFILE
Suitable water ecosystem
Warm freshwater rivers, floodplains, ponds and deep cages with stable temperature and sufficient oxygen exchange.
WATER AND NUTRITION
Indicative water-planning parameters
- Temperature
- 26-30 °C
- Salinity
- Freshwater; low salinity only with validated stock and acclimation
- pH
- 6.5-8.5
- Dissolved oxygen
- Target at or above 4 mg/L
- Additional control focus
- Control feed loading, suspended solids, bottom sludge, ammonia, nitrite and off-flavour risk; provide secure containment and practical harvest access.
Validate stage-specific targets, alarm limits and nitrogen thresholds through the approved system design.
WATER AND NUTRITION
Nutritional profile
- High-quality protein
- Fat varies significantly by body portion and feed; belly cuts can be much higher in fat
- Provides vitamin B12, selenium and phosphorus, with lower marine omega-3 levels than many oily marine fish
Nutrition varies with feed, environment, season, harvest size, body portion and preparation. Use approved food-composition or laboratory data before publishing numeric per-100 g values.
PRODUCTION
Production cycle
Induced hatchery spawning is followed by larval and nursery phases, then pond, cage or tank grow-out. Harvest and processing are commonly organized around a fillet market, making size uniformity and cold-chain planning important.
PRODUCTION
Production systems
- Freshwater ponds
- River or reservoir cages where permitted
- Warm-water RAS
- Nursery tanks
- Biofloc or hybrid systems subject to project validation
PRODUCTION
Seed supply
Use legally sourced Pangasianodon hypophthalmus seed with batch identity and health history. Confirm that the market name 'basa' is not being used to obscure a different species.
PRODUCTION
Nursery
Larvae and juveniles need frequent feeding and size monitoring; crowding and feed competition can create variable cohorts. Nursery outlets and screens should prevent escape.
PRODUCTION
Ongrowing techniques
Deep ponds are common, while cages and RAS can be considered where legal and technically suitable. Feed and biomass create substantial solids and oxygen demand despite the fish's air-breathing ability.
PRODUCTION
Feed supply
Complete feeds are used, with energy, protein and pellet behaviour adjusted to size and production goal. Accurate feeding and storage protect economics, flesh quality and water.
PRODUCTION
Diseases and control measures
Good seed, stable water, pond hygiene, stocking control and qualified diagnosis reduce bacterial and parasitic risks. Air breathing should never be used to justify poor water.
PRODUCTION
Harvesting techniques
Large biomass harvest requires planned netting, pumping or transport, safe worker access and rapid chilling. Fasting helps reduce waste during capture and processing.
PRODUCTION
Handling and processing
The species is often filleted, skinned and frozen. Hygienic processing, yield control, temperature, glazing where used, species labelling and lot traceability are important.
PRODUCTION
Market and trade
The species serves affordable domestic and international white-fish markets. Buyer standards for colour, size, residues, glazing and labelling should be understood before production.
STATUS AND TRENDS
Status and trends
Interest continues in improved seed, pond management, feeds, processing quality and environmental control. More intensive systems must address sludge and oxygen transparently.
MAIN ISSUES
Main issues
- Species and market-name clarity
- Large feed and sludge loads
- Low-oxygen complacency
- Seed quality and legal movement
- Processing quality and labelling
SYSTEM DESIGN
System-design implications
- Waste and sludge management should follow real feed inputs.
- Deep ponds or tanks need circulation that avoids low-oxygen zones.
- Harvest, chilling and fillet workflow should be considered early.
- Use 'basa' cautiously because market naming can refer to another species.
PROJECT DEFINITION
Move from species interest to project definition
A suitable system depends on exact stock, life stage, target biomass, source water, utilities, site, operating capability, regulation and market plan.
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