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Glass bloodfish - Prionobrama filigera

Glass bloodfish - Prionobrama filigera

Scientific name: Prionobrama filigera

Common name: Glass bloodfish

Family: Characidae

Usual size in fish tanks: 5 - 6 cm (1.97 - 2.36 inch)


Recommended pH range for the species: 5.7 - 7.5

Recommended water hardness (dGH): 4 - 18°N (71.43 - 321.43ppm)

0°C 32°F30°C 86°F

Recommended temperature: 22 - 26 °C (71.6 - 78.8°F)

The way how these fish reproduce: Spawning

Where the species comes from: South America

Temperament to its own species: peaceful

Temperament toward other fish species: peaceful

Usual place in the tank: Middle levels

Food and feeding

Glass bloodfish will accept all foods that are offered to them. As well as quality flake or pellets, treats of blood worm and brine shrimp should be given once or twice per week.


Southern Brazil, Argentina –Rio Paraquay.


Males will develop an extended dorsal fin and a black line will appear when the mature, behind the white stripe on the anal fin.


Glass bloodfish prefer to breed in groups; they will usually spawn in the early morning and spread the eggs over plants or a spawning mop if provided. Normally batches of 200-350 eggs will be laid in a batch but as they are not sticky, most will fall to the substrate. Hatching happens very quickly, as little as 14-15 hours later; the fry will be free swimming after a few days and can be fed newly hatched brine shrimp.


If kept in optimum conditions, Prionobrama filigera can live for up to 12 years.

Short description

This species is very peaceful, but they must be kept in groups of 6 or more. Prionobrama filigera prefer floating plants in the tank but are not fussy about the water parameters.Also known as Glass bloodfin, Glastetra, or Lasitetra.


Feel free to download our video here (9.1 MB, mpeg, MPEG-1 type, 640x480).

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