Betta splendens


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Betta splendens

brightly colored tropical freshwater fish of the family Anabantidae; adult males have to be kept in separate tanks because of their aggressive behavior. Called also siamese fighting fish.
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According to the results; under these conditions, the leave time of 2nd polar body of Betta splendens eggs actualizes 2.
Los estudios sobre reproduccion de peces con fines comerciales se incrementan cada dia mas, principalmente los relacionados a los primeros estadios vitales (huevos, larvas y etapas tempranas de juveniles) ya que son criticos para las fluctuaciones en la abundancia de las poblaciones de peces explotadas (33), como en el caso de Betta splendens, apetecido comercialmente 26 por su estructura faringea (laberinto) que le permite tomar oxigeno atmosferico cada 3 minutos aproximadamente (3), dimorfismo sexual, (policromia) y el cuidado parental del macho en las primeras fases de desarrollo (fertilizacion a eclosion) (12).
The experimental work was performed with Betta splendens juveniles (60-days-old) in a pond at the Aquaculture Center (22[degrees]5'S and 47[degrees]19'W).
Nas condicoes estudadas a estrategia de manejo alimentar de 6A/1R pode ser aplicada como indicativo no cultivo de Betta splendens sem prejuizos ao desempenho do animal.
The present results show that mercury chloride produces a marked global reduction in behaviors whether the treatment was administered in either acute or progressive doses in Betta splendens.
Effect of feeding frequency on growth and fecundity in an ornamental fish, Betta splendens (Regan).
2]) was determined for Siamese fighting fish, Betta splendens, denied access to the surface either in mirrored or non-mirrored (control) test vessels.
The Latin name for the fish, Betta Splendens, means "brilliant warrior," a reference to the confrontations between two males, usually ending in the death of one.
Myrberg (1972) found that damselfish Eupomacentrus partitus yawned when making transitions between various social behaviors such as agonistic responses and nest entrances/exits, a finding confirmed by Baenninger (1987) in Siamese fighting fish, Betta splendens.
The aggressive display of the Betta splendens (Teleostei, Belontiidae) is very prominent, and Bronstein (1980, 1981a, 1982) suggested that it's reproductive and agonistic strategies are typical of many teleosts that utilize external fertilization in relation to the body of the female of the species.