Banded water snake (Nerodia fasciata)
Photo: Sandhillcrane / CC BY-SA 4.0 · via Wikimedia Commons

Reptile · Colubrid

Banded water snake care guide

Nerodia fasciata

Intermediate

The banded water snake is a intermediate-level colubrid from SE United States. Adults reach 60–110 cm and live 10–15 years in captivity. Needs a large water area plus a fully dry basking land area. Solitary.

  • Enclosure 120 × 60 × 60 cm
  • Temp Warm 28–30°C, cool 24°C
  • Humidity 60–80%

How much does a banded water snake cost in Canada?

Animal$60–150Typical captive-bred price
Bioactive enclosure$840–1550Enclosure $470–890 · equipment $190–420 · bioactive supplies ≈ $200
Yearly upkeep$200–350Food, supplements, bulbs, power, vet fund
First year total$1100–2050All prices CAD, estimates

Banded water snake quick facts

Skill level
Intermediate
Adult size
60–110 cm
Lifespan
10–15 years
Activity
Diurnal
Native range
SE United States
Minimum enclosure
120 × 60 × 60 cm (47 × 24 × 24 in, ≈ 114 US gal)
Housing
Best kept alone.
Temperature
Warm 28–30°C, cool 24°C
Humidity
60–80%
UVB
Recommended
Diet
Piscivore – fish, frogs, scented mice
Bioactive style
Semi-aquatic (paludarium)

Banded water snake enclosure & bioactive setup

Give one adult at least 120 × 60 × 60 cm (47 × 24 × 24 inches). Best kept alone. This species suits a semi-aquatic (paludarium) bioactive build.

  1. Leaf litter2 cm
  2. Jurassic ABG Terrarium Mix8 cm
  3. 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 28–30°C, cool 24°C. Humidity: 60–80%. UVB: Recommended.

What does a banded water snake eat?

Piscivore – fish, frogs, scented mice. Feed every 5–7 days; use thiaminase-free fish or scented mice.

Handling, temperament & health

Often defensive and musky; bites readily.

Health watch: Watch for blister disease and thiamine deficiency.

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 banded water snake bioactive

Quantities are for one minimum-size enclosure (120 × 60 × 60 cm).

Banded water snake FAQ

Is the banded water snake good for beginners?

The banded water snake is best for keepers with some experience (intermediate). Often defensive and musky; bites readily.

What size enclosure does a banded water snake need?

At least 120 × 60 × 60 cm (about 47 × 24 × 24 inches, roughly 114 US gallons) for one adult. Best kept alone.

How much does a banded water snake cost in Canada?

Typically $60–150 CAD to buy, about $840–1550 CAD for a complete bioactive enclosure, and $200–350 CAD a year to keep.

What temperature and humidity does a banded water snake need?

Temperature: Warm 28–30°C, cool 24°C. Humidity: 60–80%.

What does a banded water snake eat?

Piscivore – fish, frogs, scented mice. Feed every 5–7 days; use thiaminase-free fish or scented mice.

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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.