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Leopard Gecko Morphs: A Comprehensive Guide to Color & Pattern Variations
A morph is a heritable color/pattern variant produced by selective breeding. Leopard geckos (Eublepharis macularius) now exhibit hundreds of morphs, combining recessive, dominant, co‑dominant, and polygenic traits.
Foundational Morphs (Single‑Gene)
| Morph | Inheritance | Appearance |
|---|---|---|
| Normal (Wild Type) | — | Yellow/tan with black bands/spots |
| Albino (3 strains: Tremper, Rainwater, Bell) | Recessive | No black pigment; white/cream body, pink/red eyes |
| Blizzard | Recessive | Patternless white/gray; blue‑gray eyes |
| Patternless (Murphy’s) | Recessive | No spots/bands; solid yellow to gray |
| Hypomelanistic (Hypo) | Co‑dominant | Reduced black pigment; fewer/smaller spots |
| Super Hypo | Homozygous Hypo | Nearly patternless, bright yellow/orange |
| Tangerine | Polygenic | Enhanced orange/red coloration |
| Carrot Tail / Carrot Head | Polygenic | Orange pigment on tail/head |
| Bold Stripe | Dominant | Dorsal stripe, reduced side pattern |
| Jungle | Dominant | Broken, irregular bands |
| Stripe | Recessive | Clean dorsal stripe, no side bands |
| Eclipse | Recessive | Solid black eyes (snake eyes), often with pattern changes |
| Marble Eye | Recessive | Swirled/colored iris |
| White & Yellow | Dominant | White body, yellow head/tail; variable expression |
Popular Combo Morphs
- Mack Snow + Albino = Snow Albino (white, pink eyes)
- Mack Snow + Eclipse = Super Snow Eclipse (solid black eyes, high contrast)
- Tangerine + Hypo + Carrot Tail = “Tangerine Dream” line
- RAPTOR = Tremper Albino + Eclipse + Patternless (red eyes, no pattern)
- APTOR = Albino + Patternless + Tremper + Eclipse (similar, different albino strain)
Genetics Primer
- Recessive: Need two copies (homozygous) to express.
- Dominant: One copy expresses; homozygous often more intense/lethal.
- Co‑dominant: Heterozygous = intermediate; homozygous = “super” form.
- Polygenic: Multiple genes + selection = continuous variation (e.g., tangerine intensity).
Buying Advice
- Buy from reputable breeders who know lineage and genetics.
- Ask for parent photos and genetic IDs.
- Avoid “designer” names without genetic basis.
- Health > aesthetics: prioritize clear eyes, good weight, active behavior.
Morph diversity reflects decades of dedicated breeding. Understanding genetics helps you choose a healthy, stunning gecko.
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