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The peaceful betta or crescent betta (Betta imbellis) is a species of gourami native to Southeast Asia. Betta imbellis has a pair of suprabranchial chambers that each house a labyrinth organ , a complex bony structure lined with thin, highly vascularised respiratory epithelium .
The Siamese fighting fish (Betta splendens), commonly known as the betta, [2] ... Notably, the mitochondrial genome for the peaceful betta, P. imbellis, ...
Slender betta (Betta bellica) Peaceful betta (Betta imbellis) Betta prima; Paradise fish (Macropodus opercularis) Giant gourami (Osphronemus goramy) Parasphaerichthys ocellatus; Spiketail paradise fish (Pseudosphromenus cupanus) Honey gourami (Trichogaster chuna) Trichogaster fasciata; Thick-lipped gourami (Trichogaster labiosus) Dwarf gourami ...
A useful distinction is that, while the generic name Betta is italicized and capitalized, when used as a common name it is usually neither italicized nor capitalized. [5] The common name of B. pugnax, for example, is thus Penang betta. Betta splendens, the Siamese fighting fish, is often referred to simply as a "betta" in the U.S.
All living species show parental care until fry are free swimming: some are mouthbrooders, like the Krabi mouth-brooding betta (Betta simplex), and others, like the Siamese fighting fish (Betta splendens), build bubble nests. Currently, about 133 species are recognised, placed in four subfamilies and about 15 genera.
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He is also known to aquarists for the Celebes rainbowfish (Telmatherina ladigesi, now Marosatherina ladigesi), which he discovered in 1935 and which was named after him, and for the peaceful betta Betta imbellis, which he described in 1975.
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. As of coloring and sizing they are the same, except for the ...