Blind Cave Fish (Astyanax jordani)

Scientific Name(s): Astyanax jordani

 

Common Name(s): Blind Cave Fish, Silvery Tetra

 

Family: Characidae

 

Species Type: Characins (Tetras)

 

Maximum Size: 3 inches

 

Life Span: 4 years

 

Natural Habitat: South American Lakes (Underground Lakes)

 

Minimum Tank Size: 10 gallons

 

Tank Region: All over

 

Possible Tank Mates: Other community fish.

 

Description: The baby Blind Cave Fish are actually born with eyes, but if the fry are raised in complete darkness as they would be in nature, the eyes will degenerate. Keeping Blind Cave Fish fry tanks dark is very important, as fry raised in normal lighting conditions will have partially to fully developed eyes, a very undesirable trait. This species is very easy to keep.

 

Temperature Range 68°F - 78°F

60°F

65°F

70°F

75°F

80°F

85°F

90°F

 

pH Range 6 - 8

pH 5.0

pH 6.0

pH 7.0

pH 8.0

pH 9.0

 

Hardness 20° - 30°

0°

10°

20°

30°

40°

 

Breeding Information: To induce breeding lower tank temperature to 68 degrees F.

 

Sexing Information: Females tend to be more robust.

 

Diet: Omnivorous - does well with flake foods.

 

Temperment: Generally a peaceful schooling fish, but may initially nip at other fish while searching for food. This is generally not something to worry about and tends to cease as the tetra becomes familiar with the other fish in the tank. Excellent for community tanks or for people new to the hobby. This fish is best kept in schools of 3 or more.

 

Common Diseases: None specific to species.

 

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Blind Cave Fish (Astyanax jordani)