Reptile & Amphibian Habitat Lighting

Match the lighting to your species' needs: UVB for day-active diurnal reptiles that need vitamin D3 synthesis, UVA for behavioral stimulation, and full-spectrum or heat-emitting fixtures (like basking bulbs) for thermoregulation; nocturnal amphibians often require low-intensity or no UVB and red/infrared heat for night viewing only if heat is needed

Choose UVB output based on species and enclosure size—low-output (2–5%) for forest-dwelling or low-light species and medium-output (5–10%) for desert or high-UV species; follow manufacturer distance recommendations, typically 6–12 inches for higher-output bulbs and 12–18+ inches for lower-output types, ensuring no glass separates bulb and habitat unless the bulb is rated for use behind glass

Many reptiles require a temperature gradient with a basking heat source; set heat and light to mimic natural day–night cycles—commonly 10–14 hours of daytime light and heat for tropical species and shorter daylight for temperate species—using timers and thermostats to maintain consistent cycles and appropriate temperatures

Use fixtures rated for reptile enclosures, secure mounts or clamp fixtures to prevent falls, keep electrical components away from moisture, use gaurded or dome fixtures over live animals to prevent burns, and pair heat sources with temperature probes and thermostats to avoid overheating

Replace fluorescent and compact UVB bulbs every 6–12 months even if they still emit visible light, and replace LED/UV hybrid units per manufacturer life ratings; verify UV output and temperature gradients with a UV meter and infrared thermometer or digital probe to ensure they remain within species-appropriate ranges

Budget options under $50 can include basic clip-on fixtures, heat lamps, or entry-level LED fixtures suitable for some setups, but do not skimp on proper UVB if your species requires it and on reliable thermostats/thermometers to maintain safe temperatures

LEDs are excellent for visible lighting, energy efficiency, and long life, but most do not provide biologically effective UVB, so pair LEDs with an appropriate UVB source when keeping species that require UV exposure