Reptile · Boa
Yellow anaconda care guide
Eunectes notaeus
The yellow anaconda is a expert-level boa from Paraguay, Bolivia, Brazil, Argentina. Adults reach 250–400 cm and live 20–30 years in captivity. Needs a large pool and dry land; check local bylaws first. Solitary.
- Enclosure 300 × 120 × 90 cm
- Temp Warm 30–32°C, water 26–28°C
- Humidity 70–90%
How much does a yellow anaconda cost in Canada?
Yellow anaconda quick facts
- Skill level
- Expert
- Adult size
- 250–400 cm
- Lifespan
- 20–30 years
- Activity
- Nocturnal
- Native range
- Paraguay, Bolivia, Brazil, Argentina
- Minimum enclosure
- 300 × 120 × 90 cm (118 × 47 × 35 in, ≈ 856 US gal)
- Housing
- Best kept alone.
- Temperature
- Warm 30–32°C, water 26–28°C
- Humidity
- 70–90%
- UVB
- Recommended
- Diet
- Carnivore – frozen/thawed rats, rabbits
- Bioactive style
- Semi-aquatic (paludarium)
Yellow anaconda enclosure & bioactive setup
Give one adult at least 300 × 120 × 90 cm (118 × 47 × 35 inches). Best kept alone. This species suits a semi-aquatic (paludarium) bioactive build.
- Leaf litter2 cm
- Jurassic ABG Terrarium Mix15 cm
- Drainage – clay bio balls4 cm
Quantities assume about half the floor is land. The water half needs a filter and regular partial water changes.
Temperature: Warm 30–32°C, water 26–28°C. Humidity: 70–90%. UVB: Recommended.
Some Canadian provinces and many municipalities restrict or ban this species. Check your local bylaws and any provincial permit rules before buying.
What does a yellow anaconda eat?
Carnivore – frozen/thawed rats, rabbits. Feed one appropriately sized prey item every 14–21 days.
Handling, temperament & health
Often defensive and bites readily.
Health watch: Watch for skin infections and obesity.
Cleaning & maintenance schedule
Daily
- Check water and air temperature; feed according to species.
Weekly
- Change 20–30% of the water with dechlorinated water.
- Rinse filter sponge in old tank water (never tap water) as needed.
Monthly
- Top up leaf litter on land; prune plants at the waterline.
Yearly
- Service the pump/filter fully.
Recommended for a yellow anaconda bioactive
Quantities are for one minimum-size enclosure (300 × 120 × 90 cm).
Clay Bio Balls
Drainage layer, 4 cm
Jurassic ABG Terrarium Mix
Bioactive soil layer, 15 cm
Almond Leaves Dried 15/Pack
Leaf litter – food and cover for the clean-up crew
Fresh Sphagnum Moss Container
Moss for humidity pockets and planting
Malaysian Drift Wood
Bridges water and land; easy exit from the water
Cork Bark Flats
Shelter on the land section
Yellow anaconda FAQ
Is the yellow anaconda good for beginners?
No – the yellow anaconda is a specialist animal for expert keepers only. Often defensive and bites readily.
What size enclosure does a yellow anaconda need?
At least 300 × 120 × 90 cm (about 118 × 47 × 35 inches, roughly 856 US gallons) for one adult. Best kept alone.
How much does a yellow anaconda cost in Canada?
Typically $400–1000 CAD to buy, about $4040–7170 CAD for a complete bioactive enclosure, and $800–1500 CAD a year to keep.
What temperature and humidity does a yellow anaconda need?
Temperature: Warm 30–32°C, water 26–28°C. Humidity: 70–90%.
What does a yellow anaconda eat?
Carnivore – frozen/thawed rats, rabbits. Feed one appropriately sized prey item every 14–21 days.
Similar species
This care sheet is general guidance from One Bioactive, not veterinary advice. Needs vary with age, locality and individual animals – confirm with your breeder and an exotics vet. Prices are typical Canadian ranges in CAD and change over time.