Masculinization of betta fish Betta splendens by embryo immersion in extract of purwoceng Pimpinella alpina

Betta Less Motivated: Effects of Fluoxetine on Betta Splendens

Genetics of the Siamese Fighting Fish, Betta Splendens.

ETTA SPLENDENS more commonly known as the Siamese fighting fish has B been popular in aquariums of western Europe and America for over 35 years. Its domestication and consequent inbreeding antedates the introduction into the West by 60 or 70 years. Selection for pugnacity, long fins (see Figure l ) , and bright colors over this long period has produced a number of phenotypes, none of which is v...

Red fish, blue fish: trade-offs between pigmentation and immunity in Betta splendens

Carotenoid pigments are responsible for many examples of sexually attractive red, orange, and yellow coloration in animals and play an important role in antioxidant and immune defenses. Because vertebrates cannot synthesize carotenoids, limited dietary availability may impose a trade-off between maintaining ornamental coloration and health. We used an experimental approach to test the carotenoi...

Metabolic Costs of Aggressive Behaviour in the Siamese Fighting Fish, Betta splendens

Aggressive conflicts between males are often resolved by means of multiple ritualized agonistic displays without damaging escalation. Apparently, in such cases by using those displays opponents exchange important motivational and physical information on which they base a decision to stay or leave the interaction. In the Siamese fighting fish, the time spent spreading the dorsal fin and erecting...

Feed of Siamese fighting fish, Betta splendens, (Regan, 1910) in open pond: live and formulated diets.

The growth rate and percent survival of Betta splendens when submitted to formulated diet and live food treatments are evaluated. The three different diets were used and designated as: formulated diet (basal diet); live food diet (plankton) and mixed diet (formulated diet with plankton). The live food diet contained plankton belonging to an open pond. High mortality was reported with live food ...