Bombina orientalis — Fact Sheet
Bombina orientalis · Bombina orientalis
📋 At a glance
| Adult size | 4-6 cm |
| Lifespan | 10-15 years |
| Activity | Diurnal |
| Difficulty | Beginner |
| Legal | CITES: not listed; EU: not listed; local rules still apply |
🏠 Enclosure
- Adult enclosure: 60 × 40 × 40 cm (length × width × height).
Planning example for one adult; the 40 cm enclosure height is not water depth. A compatible group of 3–4 similarly sized adults needs a broader layout, for example 60 × 45 × 30 cm or larger, with usable land and shallow water with easy exits. Newly metamorphosed juveniles may start in a monitored 30 × 30 × 25 cm box with very shallow water and accessible tiny prey; enlarge it as they grow. These are practical layouts, not validated stocking limits. Temporary holding is not the adult housing standard.
🪨 Substrate and furnishings
The enclosure should include:
- A stable shallow water area
- Cork, bark, stones, or sloped platforms for haul-out
- Damp terrestrial cover
- Moss, low plants, or floating cover for security
- Open sight lines so animals can thermoregulate and feed easily
Decoration should stay practical and easy to clean. Sharp rocks, deep water, or steep slippery edges are poor choices for this species.
💡 Lighting
A standard day-night cycle of about 10-12 hours works well for most of the year. These toads tolerate brighter enclosures than many secretive amphibians, especially when there is floating cover, moss, cork, or shaded land sections.
For UV planning, treat this species as Ferguson Zone 1. Aim for about UVI 0.5-1.0 in the upper exposed area, while leaving retreats and a gradient down to shaded areas near zero UVI. This usually points to a low-output UVB tube such as a ShadeDweller-style or 2-7% T5, chosen for the enclosure height; measure with a Solarmeter 6.5 when possible, because reflector, mesh, distance, and lamp age change the real exposure.
🌡️ Temperature
Daytime air: 20-24 °C
Night: 16-20 °C
Measure air temperature at animal level and check sheltered areas separately. Avoid direct hot spots; use room heating or cooling where practical and control any heater with a thermostat.
💧 Humidity and water
Because this is a semi-aquatic species, water quality and access matter at least as much as ambient humidity. The land section should remain damp enough to support healthy skin, but it should not stay sour and swampy.
Good practice includes:
- Clean shallow water available at all times
- Moist land retreats with moss or similar cover
- Air exchange that prevents stagnant conditions
- Regular checks for spoiled food and fouled substrate
A setup that is wet everywhere but dirty and stale is worse than one with slightly more fluctuation and much better hygiene.
🪳 Feeding
Bombina orientalis is insectivorous and usually feeds readily. A varied diet helps maintain body condition and reduces the temptation to rely on overly rich prey.
Suitable foods include:
- Crickets
- Small roaches
- Earthworm pieces
- Black soldier fly larvae in moderation
- Occasional other suitable invertebrates
Adults often do well on several smaller meals per week. Juveniles may need feeding more often. Calcium should be used regularly, with broader vitamin supplementation added according to the prey range and product schedule.
These toads are prone to overeating if fed too heavily, especially in simple setups with little activity. Body condition should be monitored instead of following appetite alone.
🩺 Health — warning signs
The main recurring problems are overheating, poor water quality, skin irritation, eye trouble, obesity, and bacterial infections linked to dirty shallow water.
Warning signs include:
- Remaining in the water but appearing weak or uncoordinated
- Reddened skin or irritated feet
- Cloudy eyes
- Refusal to feed
- Unusual floating or poor buoyancy
Because skin secretions and stress responses can complicate handling, health checks should stay gentle and brief. Any persistent redness, swelling, skin lesions, or abnormal swimming behavior should be evaluated by an amphibian-experienced veterinarian.