A Comprehensive Guide to Leopard Gecko Morphs — Types, Genetics, Albino, Snow, RAPTOR

Open Table of Contents

• What Is a Morph?
• Understanding Inheritance Patterns
• Overview of 26 Major Morphs
• Selective Breeding: Color and Spotting Lines
• Three Albino Lineages<
• Eye and Patternless Traits
• Mack Snow·Super Snow
• Giant·Super Giant
• APTOR, RAPTOR, and Complex Morphs
• Traits Requiring Health Monitoring
• FAQ

What is a morph?

A morph does not refer to a distinct species or subspecies. Both “Normal” and “RAPTOR” belong to the same species: Eublepharis macularius The differences lie in their phenotypes—such as body color, pattern, eyes, and size—and the underlying genetic makeup.

“Het” status cannot be seen in a photograph. Whether an individual carries a recessive trait is determined by parental combinations and lineage records, not by physical appearance.

How is the color of a Leopard gecko produced?

Understanding Inheritance Patterns First

Category	Key Concept	Representative Example
Recessive	Classic recessive system where the trait becomes visible with two mutant alleles	Tremper Albino, Bell Albino, Rainwater Albino, Eclipse, Blizzard, Murphy Patternless
Incomplete dominant	Phenotypes differ between individuals carrying one allele versus two	Mack Snow → Super Snow
Dominant	Trait is expressed even with a single allele	Breeding system known as “Enigma”
Line-bred / Polygenic	Phenotype enhanced over generations through selective breeding	High Yellow, Tangerine, Carrot Tail, etc.
Combo	Project names combining multiple traits in a single individual	RAPTOR, Diablo Blanco, Dreamsicle, etc.

Overview of 26 Major Morphs

Rather than just memorizing names, Color, spotting, eyes, patterns, physique, and genetic makeup have been categorized separately for clarity. Each entry below includes actual photographs of the specific morph or lineage. Please note that colors in sales photos may be affected by lighting and image editing, and it is impossible to visually confirm whether an individual carries a recessive gene.

Classification	Representative Name	Key Criteria for Identification
Wild Type	Normal / Wild Type	Yellow background, black spots, banded fluid pattern
Selective Breeding (Color)	High Yellow, Tangerine, Mandarin, Black Night	Color intensity and distribution, retention in adulthood, lineage records
Spot & Tail Selection	Hypo, Super Hypo, Baldy, Carrot Tail	Number of spots on body/head and orange area on tail
Recessive Albino	Tremper, Rainwater, Bell	Reduction of black melanin and accurate lineage
Eye & Patternless	Eclipse, Blizzard, Murphy Patternless	Separate verification of eye pigmentation and body pattern loss
Incomplete Dominance	Mack Snow, Mack Super Snow	Phenotypic differences between single and double copies
Pattern Selection	Jungle, Bold Stripe, Reverse Stripe	Direction of band breakage and position of longitudinal stripes
Complex Morph	APTOR, RAPTOR, Blazing Blizzard, Diablo Blanco, Dreamsicle	Verify constituent genes and albino lineage rather than just the name
Welfare Caution	Enigma, Lemon Frost	Prioritize the risk of neurological symptoms and tumors over physical appearance.

Normal and Wild Type — The benchmark for all comparisons

Normal / Wild Type

While “Normal” implies the absence of a specific morph, it actually serves as the reference phenotype against which all variations are compared. Juveniles display alternating dark brown or black bands and light bands; as they mature, the bands on the body break up into smaller spots. Adults often exhibit black spots distributed across a yellow or yellowish-brown background.

Even if an individual looks Normal, it could be a “het” (heterozygous) carrying a single recessive gene. Having a “normal” appearance is not the same as having no genetic mutations. Without information on the parents, it is accurate to record the phenotype simply as “Normal” and avoid assigning unverified “het” (heterozygous) status.

High Yellow, Tangerine, Hypo, Carrot Tail — Traits derived from selective breeding

The traits in this category are generally not determined by a single recessive allele. They are the result of selective breeding over multiple generations to enhance specific visual characteristics, such as intensified color or reduced spotting. Therefore, terms like “100% het Tangerine” or “het High Yellow” are not used.

High Yellow

High Yellow is a lineage characterized by a more intense yellow base color and fewer black spots on the body compared to the “Normal” type. As there is no official standard defining the threshold for yellow intensity, classification may vary among breeders. Rather than relying on a single bright photograph, it is best to examine photos of the adult taken under neutral lighting, along with the coloration of its parents and siblings.

Colors and spots change significantly as babies grow and shed their skin. An individual cannot be classified as ‘Hypo’ or ‘Albino’ simply because it displays strong yellow coloration; the eye color, spot color, and lineage must be verified independently.

Tangerine

Tangerine refers to a color lineage selectively bred to exhibit strong orange, tangerine, or reddish-orange tones on the body. Since the extent of the orange area and color saturation vary along a spectrum, the quality of the phenotype and the lineage name are more significant than strict genotypic boundaries.

Sales photos are often heavily influenced by warm lighting, red backgrounds, and automatic color saturation adjustments. To accurately assess the actual coloration, it is best to compare photos taken in natural light or neutral color temperatures alongside a white reference object, as well as photos taken before and after shedding.

Mandarin Tangerine

“‘Mandarin’ is a specific lineage name used for individuals selectively bred for a deep, uniform orange color within the broader Tangerine category. Labeling every dark Tangerine as a Mandarin indiscriminately obscures lineage information.

Names like Mandarin, Inferno, and Blood are used interchangeably in the market to describe both specific lineages and phenotypes. When purchasing, prioritize checking the original lineage, parent IDs, adult coloration, and breeding records over the flashiness of the name.

Hypo / Super Hypo

“Hypo” refers to a phenotype with significantly reduced black body spots, while “Super Hypo” generally refers to individuals with no black spots on the body. They are often classified as Super Hypo if the body is clear, even if spots persist on the head or tail.

In this context, “Super” does not denote a homozygous genotype (as seen in Mack Super Snows); rather, it is a selective breeding term describing the degree of spot reduction. Therefore, a Super Hypo × Normal pairing is not calculated using simple Mendelian ratios.

Baldy · Carrot Tail · SHTCT

“Baldy” refers to a phenotype with little to no black spotting on the head. “Carrot Tail” refers to an orange area starting at the base of the tail; while industry practice often requires a certain percentage of coverage, there is no universally recognized standard. The entire tail does not need to be orange.

SHTCT stands for Super Hypo Tangerine Carrot Tail. When the “Baldy” trait is added, it is sometimes labeled as SHTCTB. This long name does not refer to a single gene but describes the body spotting, base color, tail color, and head spotting individually.

Black Night

Black Night is a prominent melanistic line developed through selective breeding over generations to intensify black coloration and melanin expression. It is not viewed as a trait where the outcome can be predicted by a simple recessive gene pair.

Even ‘Normal’ individuals can temporarily turn very dark due to cold temperatures or stress. Accurately identifying the genetic lineage requires photos of the adult in a warm, stable state, growth records, the coloration of parents and siblings, and documentation tracing the original lineage.

Three Albino Lineages — Not All Albinos Are the Same

The three primary albino lineages of Leopard geckos are Tremper, Rainwater, and Bell. While all three lineages exhibit reduced black melanin production—resulting in brown, purple, or pinkish markings instead of black ones—they are not treated as the same genetic allele.

Tremper Albino

Tremper Albino is the oldest and most widespread albino lineage in the hobby. Black pigment is replaced by brown, chocolate, or light purple, while the background color ranges from cream to yellow or orange. Since many individuals possess a combination of other color and pattern genes, it is difficult to identify them based solely on the “classic Tremper coloration.”

The Tremper Albino trait is recessive, meaning the visual phenotype requires two copies of the gene. A “het Tremper” (heterozygous individual with a single copy) is usually indistinguishable from a normal-looking gecko.

Rainwater Albino

Among the three strains, the Rainwater (or Las Vegas) Albino is often characterized by relatively soft, pale hues. While the eyes may appear comparatively dark and the yellow and pink body tones often look subtle, these traits vary significantly depending on the individual and the influence of other genetic combinations.

There are many instances where Tremper and Rainwater strains are misidentified based solely on photographs. Visual traits and ‘het’ (heterozygous) status should be verified through parental records; if the origin is unclear, the individual should simply be recorded as having an ‘albino appearance.’

Bell Albino

Bell Albinos are often characterized by the contrast between brown or pinkish markings and red or pinkish eyes. However, one cannot definitively identify the morph based solely on eye and body color, as these can be influenced by photographic lighting, iris contraction, and the combination of other genes.

Mixing Bell, Tremper, and Rainwater strains makes tracing the albino lineage extremely difficult. Breeding records should not simply state “Albino” but must document the specific lineage and the basis for any “het” status.

Eye and Patternless Traits — Eclipse, Blizzard, Murphy Patternless

Eclipse

The ‘Eclipse’ trait is known to be a recessive eye trait. It manifests in a wide range of forms, from eyes that are completely solid black or red to ‘Snake Eyes’ (where only part of the eye is pigmented) or even eyes that appear relatively normal. The two eyes of the same individual can also differ from one another.

Features such as a white nose, white toes, or a tail spot are often mentioned alongside it, but these serve only as secondary clues. The Eclipse trait is not the same as albinism, and the presence of black eyes alone does not confirm it. When combined with albinism, the eye color may appear red.

Blizzard

Blizzard is a recessive “patternless” morph; the typical spots and bands on the body disappear, resulting in a relatively uniform appearance in shades of white, gray, lavender, or yellow. The coloration may shift as the gecko grows, and some individuals may appear darker.

The Blizzard morph itself is not albino. While the “Snake Eye” trait—where the eyes appear very dark—can occur, this does not automatically indicate the same genotype as the Eclipse morph.

Murphy Patternless

Murphy Patternless is a recessive trait resulting in the loss of pattern, distinct from the ‘Blizzard’ trait. While hatchlings may show faint blotches or color bleeding, they often develop a relatively uniform body color—ranging from cream and yellow to grayish-brown—as they mature.

Since “Murphy Patternless” and “Blizzard” are distinct genetic traits, they should not be conflated simply because they share a similar appearance (being light-colored and patternless). Heterozygous (het) status for each trait is also recorded separately.

Mack Snow and Mack Super Snow

Mack Snow

Mack Snow is a representative trait exhibiting incomplete dominance. Individuals with a single copy (heterozygous) of the Mack Snow gene show significantly reduced yellow coloration at hatching, displaying a white-to-gray background with prominent black bands. As some individuals develop yellow pigment with age, the distinction between an adult Mack Snow and a “Normal” (wild-type) gecko can become blurred.

“In a cross between a Mack Snow and a Normal, theoretically, half of the offspring could be Mack Snows. This ratio represents the probability for each individual egg; there is no guarantee that exactly half will be Mack Snows in a small clutch.

Mack Super Snow

The Mack Super Snow is the homozygous form, possessing two copies of the Mack Snow allele. It typically displays a white or off-white background with dense black spotting, and the eyes often appear very dark.

Breeding two Mack Snows theoretically yields 25% Normal, 50% Mack Snow, and 25% Super Snow offspring. Since the Super Snow’s dark eyes may be unrelated to the Eclipse gene, one should not assume that “dark eyes” automatically equates to “Eclipse.”

Giant and Super Giant: Understanding Size Designations

Giant / Super Giant

“Giant” and “Super Giant” are lineages developed to achieve large body sizes; in the breeding community, they are often described using an incomplete dominance model. However, body weight and length are also significantly influenced by factors such as sex, nutrition during growth, obesity, breeding history, and skeletal condition.

Genotypes are not determined solely by a photograph or a single weight measurement. Breeders evaluate the lineage of the parents, length and weight at various ages, and photos of body conformation; individuals that appear large merely due to excessive fat are not accepted as evidence of the “Super Giant” trait.

Jungle, Bold Stripe, Reverse Stripe — The direction of the pattern flow

These pattern names describe how the body bands are interrupted and aligned longitudinally. Because the consistency of the trait varies by lineage and is heavily influenced by selective breeding, having a similar name does not imply the trait is governed by the same single gene.

Jungle

The ‘Jungle’ pattern is characterized by the asymmetrical breaking, twisting, and irregular continuation of the fluid, typical transverse bands. While the misalignment of bands between the body and tail is a key feature, the bands may break up into spots as the animal matures, making identification more difficult.

Compare photos of the hatchling and the adult to observe how the pattern manifests across the same clutch. A gecko is not labeled “Jungle” simply because it has many spots or a chaotic pattern.

Bold Stripe

The Bold Stripe morph aims for an appearance where thick, dark lines run continuously along both sides of the back, leaving the center relatively bright. Key factors to evaluate include line thickness, continuity, bilateral symmetry, and tail patterning.

Definitions for names like “Bold,” “Bold Stripe,” and “Bandit” can vary depending on the breeder’s lineage and selection goals. It is best to record the lineage name separately from the description of the visible pattern.

Reverse Stripe

The ‘Reverse Stripe’ pattern features a dark longitudinal line running along the center of the spine, the opposite of the standard stripe pattern. A key point of observation is the continuity of this line from the back of the neck down to the pelvic area.

Some individuals exhibit a broken central line or patterns that overlap with “jungle” markings. To confirm the specific name, it is best to examine photos taken immediately after hatching alongside photos of the animal at various growth stages, as well as the traits consistently expressed by the parents.

Combo Morphs: Focus on Constituent Genes Rather Than the Name

A “combo morph” name represents a combination of multiple genotypes and traits derived from selective breeding within a single individual. Simply labeling an animal “het RAPTOR”—treating RAPTOR or Diablo Blanco as if they were single alleles—makes it difficult to determine which specific genes the animal actually carries. Whenever possible, list the constituent components individually, such as Tremper Albino, Eclipse, Blizzard, and Mack Snow.

APTOR

APTOR is a Tremper-lineage project, with the name standing for Albino Patternless Tangerine Orange. It is understood as a combination of Tremper Albino, the patternless stripe trait, and selective breeding for orange coloration; the Eclipse trait is not considered a mandatory component.

When a seller labels an animal as APTOR, you should verify the specific albino lineage and eye genotype separately. The most significant distinction from the similar-looking RAPTOR is the presence of the Eclipse trait.

RAPTOR

RAPTOR stands for Red-eye Albino Patternless Tangerine Orange. It is generally a combination of Tremper Albino, Eclipse, Patternless Stripe, and Tangerine/Orange selection traits.

The red eyes of the RAPTOR result from the combination of Tremper Albino and Eclipse. Since the body may still retain some patterning, one should not expect a completely patternless individual based solely on the acronym.

Blazing Blizzard

Blazing Blizzard is a double-recessive combination of Blizzard and Albino. It is essential to specify which of the three Albino strains was used; the name does not simply refer to a very bright Blizzard.

This morph must visually express the traits of both Blizzard and Albino. Eye and body colors may vary depending on the specific Albino lineage and additional genetic factors.

Diablo Blanco

Diablo Blanco is a complex morph generally formed by combining Tremper Albino, Blizzard, and Eclipse. It is characterized by a bright, patternless body and reddish eyes.

Identification cannot be confirmed solely by the “white body and red eyes” appearance; breeding records must be reviewed to verify the presence of the three recessive components from the parent lineage.

Dreamsicle

Dreamsicle refers to a complex lineage combining Mack Snow, Tremper Albino, Eclipse, and Enigma. It may exhibit a cream or white base color, orange areas, and the eye traits associated with Albino and Eclipse morphs.

Since the Enigma gene is part of the composition, neurological welfare risks are considered a priority over the rarity of its appearance. Even if the trade names are identical, the specific genetic makeup should be disclosed.

A trait where health must be prioritized over appearance

Enigma · Enigma Syndrome

While the Enigma trait is known for producing irregular spots and bright body coloration, it is linked to a neurological disorder called Enigma Syndrome. Reported symptoms include head tilting, circling, loss of balance, inability to accurately target prey, and failure to right themselves after flipping over.

The severity of symptoms can vary depending on the individual and stress levels; however, the fact that parent animals appear asymptomatic does not guarantee that the risk has been eliminated. Welfare is prioritized over breeding; for individuals showing symptoms, environmental stressors are minimized, and their condition is assessed by a veterinarian experienced in treating reptiles.

Lemon Frost · Tumor Risk

While Lemon Frost geckos gained popularity for their increased white reflective cells and bright yellow-orange coloration, a strong association with cutaneous iridophoromas has been confirmed. A 2021 genetic study linked a single genetic region near the SPINT1 gene to both the color phenotype and the predisposition for tumor development.

Even young individuals showing no visible tumors cannot be considered safe for breeding. The key issue with this trait is that its aesthetic benefits cannot be separated from its medical risks; therefore, breeding to produce new offspring is not recommended.

Can you identify the morph just by looking at a photo?

You can make a reasonable guess for morphs with very distinct appearances, such as Super Snow, Blizzard, or intense Tangerine. However, with “combo” morphs that blend multiple traits, it is difficult to determine the full genetic makeup from a single photo. In particular, information like “100% het” or “66% possible het” is derived from lineage and breeding records, not physical appearance. to possess the trait.

The most reliable evidence for identifying a morph is accurate lineage records, not just a beautiful photograph.

Common points of confusion for beginners

Is an Albino a white animal?

No. Since the trait involves a reduction in melanin, colors such as yellow, orange, brown, and pink may still be present.

Does “Super” in Super Hypo mean homozygous?

That is not always the case. ‘Super Hypo’ is the name of a phenotype achieved through selective breeding to drastically reduce body spotting.

Is “Snow” an Albino?

No. Mack Snow and Albino are distinct traits, though they can be combined.

Does having black eyes mean it is an “Eclipse”?

Not necessarily. Since there is variation in the eye appearance of Eclipse morphs and similar eye traits can appear in other lineages, the specific lineage must be verified.

Is there such a thing as “Tangerine het”?

Calculating “het Tangerine” in the same way as standard single recessive traits is inappropriate. Tangerine is generally understood as a line-bred or polygenic trait.

Criteria for HERP morph classification

1. Molecular genetic basis confirmed by research papers
2. Breeder-established traits with inheritance patterns confirmed through long-term breeding records
3. Line-bred/polygenic traits enhanced through selective breeding
4. “Combo names” representing combinations of multiple traits
5. Market or breeder terms used to describe physical appearance

These five categories are not simply lumped together as “genes.” For traits associated with known health issues, welfare risks are prioritized over rarity and price.

Original photos and terms of use

You can view the actual specimen’s colors, patterns, and photography conditions in the original source materials below. The morph names listed reflect the descriptions in the original sources; appearance alone does not verify lineage or genotype. The AI ​​training images in the text are for conceptual illustration; please refer to the actual photos and lineage records below for accurate morph identification.

• Actual photo of Blizzard — Hirvenkürpa, CC BY-SA 3.0. The images in the text have been converted to WebP format.
• Actual photo of Tremper Albino — Celestes, Public Domain. The images in the text have been converted to WebP format.

FAQ

How many Leopard gecko morphs are there?

It is difficult to pinpoint an exact number. This is because, in addition to single genetic traits, new line-bred strains and numerous combination morphs are constantly being created.

Do all albinos share the same gene?

No. Tremper, Bell, and Rainwater are distinct recessive albino strains, and recent genomic research has identified different candidate gene regions for each.

Is RAPTOR a single gene?

No. Fundamentally, it is the name of a prominent combination morph that merges the Tremper Albino and Eclipse lineages.

Can the “het” status be confirmed via photos?

Whether an individual is heterozygous (het) for a typical recessive trait cannot be determined by its physical appearance. Records of lineage and parental pairings are required.

Are there any traits that require special attention due to health issues?

Enigma and Lemon Frost are prime examples of morphs that should not be selected based solely on appearance due to neurological abnormalities and tumor risks, respectively.

References & Data

1. Genetic mapping of three albinism morphs in leopard geckos, Genetics, 2026.
2. The Lemon Frost tumour syndrome in the leopard gecko — SPINT1 candidate locus and iridophoroma.
3. 2026 Lemon Frost tumour genomic analysis.
4. MorphMarket Morphpedia — Leopard Gecko genetics — For cross-referencing breeder naming and breeding systems.
5. Wikimedia Commons — Eublepharis macularius media — For verifying image sources and licenses.

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See also: Leopard gecko Wiki · Leopard gecko Husbandry Guide · Morph & Genetics Hub · Morph Glossary