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Cyprinds
/ Danios / Leopard Danio
Leopard Danio
Brachydanio "frankei" rerio | Pictures
Synonyms: None
Physical description: An elongated fish with an appearance virtually identical to
B. rerio .
The only difference is the coloration,
with this "species" having a brownish back and a brownish-white body coloration.
Instead of stripes, many small, blue
spots are present.
The fins retain the same pattern.
Size/Length: To 2.4" (6 cm)
Similar species: Zebra Danio ( B.
rerio )
Habitat: India
S: middle, top
Aquarium: A tank measuring 28" (71 cm) with a capacity of 20 gallons (75 L) is recommended.
See
B. rerio
for other suggestions.
Water chemistry: pH 6-7.7 (7.0), 2-20 dH (8), 66-77°F (19-25°C)
Social behavior: As for B.
rerio .
Suggested companions: As for B.
rerio.
FOOD: Flakes; live;
Drosophila , other insects, insect larvae, crustaceans;
occasionally algae.
Sexual differences: Females are plumper when mature.
Breeding techniques: As for B.
rerio .
Breeding potential: 5.
An easily bred species.
Remarks: This "species" is said to have been developed in Czechoslovakia from
B. rerio .
Since
B. rerio
and B. "frankei"
crosses produce fertile offspring, this theory looks to be correct.
Crosses with other
Brachydanio species produce infertile offspring.
Two
forms have been produced; an albino variation and a veiled or long-finned form.
Difficulty of care: 2.
A lively species with easy care.
Recent articles about fish
Overfishing may hurt Amazon forest trees
(2/5/2008) Overfishing is reducing the effectiveness of seed dispersal by fish in the Brazilian Pantanal, reports Nature. The research suggests that fishing practices can affect forest health.
Scientists find fish that literally lives in trees
(10/17/2007) Scientists have found a fish that literally lives in trees, according to research published in The American Naturalist and highlighted in New Scientist Magazine.
Piranhas originated when Amazon was flooded by seawater
(12/4/2007) South America's piranha family of fish -- notorious as eaters of flesh -- can be traced back to a single ancestor which dispersed when the Amazon was flooded by seawater some five million years ago, report researchers from the Institut de Recherche Pour le Developpement (IRD). Today piranhas are exclusively freshwater fish found from the Orinoco River basin in Venezuela to the Parana in Argentina.
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