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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 ).
In the wild, betta spar for only a few minutes before one fish retreats; domesticated betta, namely Plakat bettas, are bred specifically for heightened aggression, and can engage for much longer, with winners determined by a willingness to continue fighting; once a fish retreats, the match is over.
A betta fish's lifespan can be impacted by the care it receives, WebMD reports. Bettas may live longer if their tank is clean, the environment is calm and their diet is healthy.
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 .
Records show wild rice was common around the turn of the 20th century, but poor water quality caused die-offs in the 1980s. Today, it's making a big return on the river.
The inclusion of fish in rice-fields helps to maintain soil health, biodiversity, and productivity. [7] The aquatic diversity in rice-fish systems includes phytoplankton, zooplankton), soil benthic fauna and microbial populations; all of these play a role in enhancing soil fertility and sustaining long-term production. [5]
Siamese fighting fish (sometimes Betta, esp. US) Betta splendens: 7.5 cm (3.0 in) Betta is the name of the genus that includes more than 60 species other than the Siamese fighting fish. 5 gal [62] 72–82 °F (22–28 °C) [62] 6.5-7.5 [62] Emerald betta: Betta smaragdina: 7 cm (2.8 in) Spotfin betta: Betta macrostoma: 10 cm (3.9 in) Frail ...
The King betta generally grows to about 5–6 cm (2–2 1/2 in). Its pigments are generally vibrant beige to a white. 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.