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How to look afterBetta splendens

Siamese fighting fish

Regan, 1910

(Other members of the genus Betta)

ADULT SIZE: 6 cm

WATER CONDITIONS: Not critical

TEMPERATURE RANGE: 23-28 C

FOOD: Feed Betta splendens live and dried foods

DISTRIBUTION: This species comes from Thailand

AQUARIUM CARE: The Siamese fighting fish is an aquarium favourite, worldwide; yet it was one of the first species to be commercially sold. It originates from still waters around the Metang river in Thailand, but is now widespread in south east Asia, and even parts of Southern America.The Siamese fighting fish lives up to its name – males will fight to the death (which was a desireable characteristic in the past) and nowadays they are often kept in Betta jars, especially in shops. Males will also attack other species that are similar enough to it.

The females are less aggressive, however at spawning time will eat each others fry and eggs.

BREEDING: Spawning occurs and eggs are deposited in a bubble nest, typical of anabantids. The nest can be scooped out and the fry raised seperately from their parents. The fry take artemia and dried foods.

Have you bred Betta splendens? Why not fill in a breeding questionaire?, or examine existing Betta splendens breeding reports

BREEDING: Spawning occurs and eggs are deposited in a bubble nest, typical of anabantids. The nest can be scooped out and the fry raised seperately from their parents. The fry take artemia and dried foods.

Have you bred Betta splendens? Why not fill in a breeding questionaire?

This page summarises breeding reports provided by visitors to this site, along with some statistical analysis. Please feel free to contribute – whatever your experience!

4 breeders have filled in breeding reports, a summary of the results are shown in the graphs below. You can read the full reports here.

To add details of your experiences of Betta splendens, why not fill in a Breeding and maintenance Report.

Remember, each record represents only one persons experience; if you had different results, or used different methods, please share your experiences

Water conditions: Neutral Water temperature: 20-23oC
Disposition: Very aggressive Community tank?: Never
Spawning Method: Adult fish removed from tank Breeding problems: none
Sex ratio: Breeding difficulty: Average
Sucess: Years Experience: 1
Other Comments:
Date this record created: 29th December 2009 Breeding date: 2009
Breeder: Location:
Water conditions: Moderately hard and alkaline Water temperature: 24-27oC
Disposition: Very aggressive Community tank?: Yes, a good community fish
Spawning Method: Adult fish removed from tank Breeding problems: none
Sex ratio: Roughly equal Breeding difficulty: Difficult
Sucess: Average Years Experience: 30
Other Comments: The hardest parts are as follows; 1) a ready female, if not she will be damaged and not breed. 2) Maintain a constant temperature (80-82F) 3) remove female when breeding done, male will attack her and may destroy nest. 4) remove male when fry are free swimming, he will eat them. 5) Very important, feed well, RINSE brine shrimp before feeding. Excess salt will stunt growth of fry. Keep tank clean and surface free of film. 6) Keep best females for further breeding stock
Date this record created: 28th January 2009 Breeding date: 2009
Breeder: Location:
Water conditions: Neutral Water temperature: 24-27oC
Disposition: Very aggressive Community tank?: Yes, a good community fish
Spawning Method: Adult fish removed from tank Breeding problems:
Poor fry survival rate
Sex ratio: Roughly equal Breeding difficulty: Difficult
Sucess: Fairly unsucessful Years Experience: 2
Other Comments: I hav two fighting fis a simese one and a crowntail the male and female siames spawned and one fry survived because i haven’t notice that the eggs turned to frythat’s why, the male has eaten all the fries except one….. IN my crowntail, many survived but they all died because of pneumonia..
Date this record created: 7th September 2008 Breeding date: 2008
Breeder: john mark Location: imus, cavite, philippines
Water conditions: Neutral Water temperature: 16-19oC
Disposition: Slightly timid Community tank?: Never
Spawning Method: Spawning Mops Breeding problems:
Poor egg production
Sex ratio: Roughly equal Breeding difficulty: Average
Sucess: Average Years Experience: 3
Other Comments:
Date this record created: 8th January 2008 Breeding date: 2002
Breeder: cool_78 Location: Philippines