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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. [citation needed]
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 ).
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.
Water current caused by a filter does not cause problems with Betta pallifina, since they come from forest streams and can handle current better than most species of Betta. They will eat a large variety of live foods, such as white worms (Enchytraeus albidus), grindal worms (Enchytraeus buchholzi), wingless fruit flies (Drosophila melanogaster ...
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 .
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 .
Betta akarensis lives in swampy forests, peat bogs, and acidic water. They are usually found in a more stagnant section of the streams among the leaf litter and submerged vegetation that dominates the bank. They are mouthbrooders. It is an adaptable fish and has even been seen in roadside ditches and larger ponds.
Celery was probably a typical pet store Betta fish. She was blue with pink tinged-fins, not as iridescent or full-finned as some of her plastic tanked neighbors, but healthy looking enough.