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Male and female individuals of Betta imbellis can live together outside of breeding season, as well as getting together for breeding. Males will build a bubble nest before breeding. After mating, the male catches the falling eggs and places them in his bubble nest. In 1–2 days, the eggs hatch and continue to absorb their yolk sack for 2 days.
Although male bettas are solitary and aggressive towards one another, they can generally cohabit with many types of fish and invertebrates if there is adequate space and hiding places. However, compatibility varies based on the temperament of the individual betta, and it is advised to carefully supervise the betta's interaction with other fish.
Siamese fighting fish (B. splendens) are frequently sold in the United States simply as "bettas". As of 2017, around 73 species are classified within the genus Betta. [1] 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]
Male individuals of the species are distinguished from species such as Betta splendens by iridescent green-blue stripes on a brown-black background. [ 2 ] 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 ...
The male is the caretaker, holding the fry in his mouth for up to three weeks. In captivity, these fish are very easy to breed. During spawning, which can take several hours, the male embraces the female. Fertilized eggs are gathered into the male's mouth and he retreats to brood the fry when spawning is complete.
Male individuals of Betta smaragdina will build a bubble nest before breeding. The temperature at which breeding typically occurs is 25.6 to 26.7 °C (78.1 to 80.1 °F). Males and females can live together and the male and female should already live together for breedi
It is noted for the pale bars on the male's back, absent in other similar Betta species. [3] Mouthbrooders, spotted bettas spawn en masse when triggered by water changes; this is likely to be an adaptation to reduce the chances, by saturating the environment with young, of individual fry falling prey to predators. This betta spawns readily and ...
Male paradise fish should be kept apart, since they will fight aggressively by locking jaws. A male can be kept with females; females may also be kept together in groups. A tank that includes paradise fish should be at least 20 US gallons (76 L; 17 imp gal) in size for a single male or 20–30 US gallons (76–114 L; 17–25 imp gal) for a ...