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When betta fish sleep, their bright colors will often fade, and when combined with their unusual napping positions, they can appear dead. Predatory fish will often avoid eating a dead fish because of the risk of contracting diseases and parasites, making this an excellent defensive mechanism.
The mouthbrooding species are sometimes called "pseudo bettas", and are sometimes speculated to have evolved from the nest-builders in an adaptation to their fast-moving stream habitats. [ 3 ] A phylogenetic study published in 2004 concluded tentatively that bubble-nesting was the ancestral condition in Betta , and that mouthbrooding has ...
As with most bettas, King betta females are smaller and less colorful than the males. The life span of the King betta is short, generally 2–3 years, rarely reaching four. The King betta is (as are all other bettas) members of the gourami family ( Osphronemidae ) and prefers a temperature of 78–82 °F.
Betta smaragdina 'Guitar' is a naturally occurring variety or even subspecies that lives only in the Bueng Khong Long, Bueng Kan province in northeast Thailand (Isan). What makes them differ from the normal B. smaragdina are their guitar like markings on the dorsal and caudal fin.
Betta, or Siamese fighting, fish are among "the most popular freshwater aquarium fish in the world," PetMD reports.Native to southeast Asia, this species is known for its range of vibrant hues ...
The female plays the more active role in initiating courtship and defending the area against intruders. After courting, eggs and milt are released during an "embrace" typical of gouramis in which the male wraps his body around that of the female, and several "practice" embraces may be required beforehand. [ 5 ]
Close-up of fish melanophores. Fish coloration is produced through specialized cells called chromatophores. The dermal chromatophore is a basic color unit in amphibians, reptiles, and fish which has three cell layers: "the xanthophore (contains carotenoid and pteridine pigments), the iridophore (reflects color structurally), and the melanophore (contains melanin)". [5]
Betta akarensis is a paternal mouthbrooder.The female plays the more active role in initiating courtship and defending the area against intruders. After courting, eggs and milt are released during an ’embrace’ typical of anabantoids in which the male wraps his body around the female.
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