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Description
B.C.I (Hypo Motley Het Albino)
Scientific Name: Boa constrictor imperator
Common Name: B.C.I, Hypo Motley Het Albino
Species Overview
Size: Adults typically reach 6–8 feet (1.8–2.4 m) in length, with females generally larger and heavier-bodied than males. Adult weight commonly ranges from 15–30 pounds, depending on sex, genetics, and husbandry.
Appearance: Hypomelanistic Motley Boa constrictors exhibit reduced dark pigmentation combined with the distinctive Motley pattern, characterised by connected or elongated saddles and reduced side patterning. The Hypo influence enhances brightness and contrast, while the Albino gene is carried without visual expression.
Distribution: Native to Central America and parts of northern South America.
Habitat: Occupies a variety of environments including tropical forests, savannah edges, agricultural areas, and regions near water sources.
Behaviour: A nocturnal ambush predator that relies on concealment and patience. Juveniles may climb or perch, while adults are primarily terrestrial and spend much of the day hidden.
Captive Care
Enclosure: A naturalistic enclosure is strongly recommended. Adults should be provided with a minimum enclosure size of 6′ × 2′ × 2′ (183 × 61 × 61 cm). Include multiple hides, sturdy branches, cork bark, and visual barriers. Soil-based or mulch substrates assist with humidity retention and enrichment.
Temperature and Humidity: Maintain ambient temperatures of 80–85°F (27–29°C), with a basking area of 88–92°F (31–33°C). Nighttime temperatures may drop to 75–78°F (24–26°C). Humidity should remain between 55–70%, supported by a large water dish and occasional misting.
Lighting: Standard day–night lighting is sufficient. Low-level UVB is optional and may be beneficial in bioactive or planted enclosures.
Diet: Juveniles should be fed appropriately sized rodents every 7–10 days. Adults typically feed every 14–21 days, adjusted based on body condition and prey size.
Behaviour in Captivity: Typically hardy and adaptable, with many individuals becoming calm and manageable with consistent handling. Feeding responses can be enthusiastic.
Special Considerations: Due to their potential adult size and strength, future enclosure planning is essential. Larger individuals may require assistance during handling, and having a second set of hands can improve safety and confidence.
Taxonomy Note
Boa constrictor imperator is a member of the family Boidae, a group of non-venomous constricting snakes native to the Americas. Formerly classified as a subspecies of Boa constrictor, B. imperator is now widely recognised as a distinct species based on genetic, morphological, and geographic evidence, with a natural range spanning much of Central America and extending into parts of northern South America. In captivity, this species is valued for its adaptability, generally steady temperament, and extensive diversity of selectively bred colour and pattern traits, all of which retain consistent core behaviours and care requirements across standard B.C.I forms.
Genetics Note
Hypomelanistic (Recessive): The Hypo gene reduces black pigmentation, producing cleaner, lighter colours and higher contrast between pattern and background when expressed in two copies. Single-copy carriers are visually normal but can pass the gene to offspring.
Motley (Co-Dominant): The Motley gene reduces pattern along the dorsal line, creating a cleaner, more linear pattern with high contrast. One copy produces moderate pattern reduction, while two copies amplify the effect.
Het Albino (Recessive Carrier): This snake carries one copy of the Albino gene, which removes black pigmentation and produces red, orange, and yellow tones when expressed in two copies. Single-copy carriers are visually normal but can pass the gene to offspring.