Page 57 - Atlas Of The World's Strangest Animals
P. 57

SIAMESE FIGHTING FISH              57






                                                                       Key Facts       ORDER Perciformes / FAMILY Belontiidae /
                                                                                       GENUS & SPECIES Betta splendens


                                                                       Weight         Less than 10g (0.3oz)

                                                                       Length         Up to 6cm (2.4in)
                                                                       Sexual maturity  3–4 months
                                                                       Breeding season  Not recorded

                                                                       Number of eggs  Up to 500
                                                                       Incubation period  24–30 hours
                                                                       Breeding interval  Not recorded
                                                                       Typical diet   Insects and insect larvae

                                                                       Lifespan       Up to 2 years in the wild; 7 in captivity


































                                                                                               Labyrinth organ
                                                                                               Inside the fighting fish’s gill
                                                                                               cavity is the labyrinth organ.
                                                                                               This additional respiratory
                                                                                               organ enables the fish to take
                                                                                               oxygen directly from the air,
                                                                                               rather than from the water.


















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