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The best known Betta species is B. splendens, commonly known as the Siamese fighting fish and often kept as an aquarium pet. Characteristics All Betta species are small fishes, but they vary considerably in size, ranging from under 2.5 cm (1 in) total length in B. chanoides to 14 cm (5.5 in) in the Akar betta ( B. akarensis ).
The spotted betta or Java fighting fish (Betta picta) is a species of gourami endemic to Indonesia where it inhabits relatively cool, 22‒25 °C (72‒75 °F), highland streams of Java. [ 2 ] [ 3 ] [ 4 ] In 1967, D. S. Johnson reported the species to be common in blackwaters of southern Malaya .
As labyrinth fish, Betta mahachaiensis have a pair of suprabranchial chambers that each house an air-breathing organ known as the labyrinth organ, a complex bony structure lined with thin, highly vascularised respiratory epithelium. The labyrinth organ is a morpho-physiological adaptation that allows labyrinth fish to extract oxygen from air. [3]
Danio rerio (Zebrafish), freshwater fish with a transparent body during early development, which provides unique visual access to the animal's internal anatomy. Zebrafish are used to study development, toxicology and toxicopathology, [ 47 ] specific gene function and roles of signaling pathways.
Betta fish can exhibit unusual sleep behaviors, often resulting in new betta owners assuming that their betta fish has died. In an aquarium, betta fish sleep anywhere in the tank they feel comfortable, including at the bottom on the substrate, floating at the mid-level, or at the surface. Betta fish will sleep on their side, upside down, with ...
How often to feed betta fish. Betta fish should be fed at least twice a day, Aquatic Veterinary Services reports.Their meals should also be spaced out by six to eight hours.. Bettas are natural ...
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 .
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