Search results
Results From The WOW.Com Content Network
Betta fish are endemic to the central plain of Thailand, where they were first domesticated at least 1,000 years ago, among the longest of any fish. [6] [7] [8] They were initially bred for aggression and subject to gambling matches akin to cockfighting.
The mouthbrooding species are sometimes called "pseudo bettas", and are sometimes speculated to have evolved from the nest-builders in an adaptation to their fast-moving stream habitats. [ 3 ] A phylogenetic study published in 2004 concluded tentatively that bubble-nesting was the ancestral condition in Betta , and that mouthbrooding has ...
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.
Keen to get some finned friends? These are the best types of fish for first-time owners
Most male fish have two testes of similar size. In the case of sharks, the testes on the right side is usually larger [citation needed].The primitive jawless fish have only a single testis, located in the midline of the body, although even this forms from the fusion of paired structures in the embryo.
Betta unimaculata, the Howong betta, is a species of labyrinth fish endemic to the island of Borneo where it is only known from the eastern portion of the island. This species grows to a length of 12.6 centimetres (5.0 in) TL, one of the largest known species of Betta.
Captive breeding, also known as captive propagation, is the process of keeping plants or animals in controlled environments, such as wildlife reserves, ...
Betta patoti, sometimes known as the tiger betta or zebra betta, [1] [2] is a species of gourami.It is a freshwater fish native to Asia, where it occurs in the southern part of East Kalimantan on the island of Borneo in Indonesia.