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Description
Boa Constrictor Imperator (BCI)
Boa constrictor imperator
Morph: Hypo Red Ladder Tail
Species Overview
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Size: BCI typically reach 6–8 feet (1.8–2.4 m) in length, with females generally larger than males. Adults usually weigh between 15–30 pounds depending on genetics and husbandry.
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Appearance: This boa expresses the Hypomelanistic (Hypo) trait, a co-dominant mutation that reduces black pigment, resulting in brighter colours and sharper contrast. The Red Ladder Tail is a line-bred polygenic trait, producing a distinctive ladder-like tail pattern with enhanced red tones. Combined, the animal shows both vivid red in the tail region and a cleaner, brighter overall appearance from the Hypo influence.
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Distribution: The natural Boa constrictor imperator occurs throughout Central and South America, ranging from Mexico through Colombia.
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Habitat: In the wild, BCIs inhabit tropical forests, savannahs, scrublands, and river edges.
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Behaviour: Primarily nocturnal ambush predators, boas feed on small mammals, birds, and reptiles. Juveniles may climb frequently, while adults tend to be primarily terrestrial.
Captive Care
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Enclosure: A naturalistic enclosure is recommended. Adults should be kept in at least a 6′ × 2′ × 2′ setup, with sturdy climbing branches, cork bark, multiple hides, and plant cover. Bioactive enclosures with soil substrate, live plants, and leaf litter are excellent for both enrichment and humidity control.
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Temperature & Humidity: Maintain a gradient of 80–85°F (27–29°C), with a basking area of 88–92°F (31–33°C). Nighttime drops to 75–78°F (24–26°C) are fine. Humidity should remain between 55–70%, with access to a large water bowl for soaking.
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Diet: Juveniles feed every 7–10 days on small rodents; adults every 14–21 days.
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Behaviour in Captivity: Generally hardy boas that adjust well to captive conditions. Hypo often enhances vibrancy, while line-bred traits like Red Ladder Tail make them visually unique.
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Special Considerations: Polygenic traits like Red Ladder Tail are selectively bred, so visual consistency can vary across individuals.
Genetics Note
The Hypo Red Ladder Tail involves:
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Hypomelanistic (co-dominant): Reduces black pigmentation, producing brighter and cleaner appearance.
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Red Ladder Tail (polygenic/line-bred): A selectively bred trait emphasizing red pigment and distinctive ladder-like tail patterns.