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Diagnostic Description

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Incomplete lateral line, perforating 9-10 scales; without infraorbital process, with 7 branched dorsal-fin rays and modally 13 branched anal-fin ray. Can be distinguished from all other Danio species by the combination of having two pairs of long barbels, and lacking horizontal dark stripes posteriorly along the sides. The most similar species, D. albolineatus s. str., has a deeper body, possesses two horizontal dark stripes along the posterior part of body, longer rostral barbels (extending beyond instead of not reaching to the posterior margin or orbit), and more vertical scale series along the side (29-30 versus 28) (Ref. 37789). Possesses pink stripe in anal and pelvic fins; white upper and lower margin in caudal (Ref. 43281).
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Armi G. Torres
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Morphology

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Dorsal spines (total): 0; Dorsal soft rays (total): 10; Analspines: 0; Analsoft rays: 15 - 17
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Biology

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Inhabits small streams with relatively cold, running water under forest cover, associated with springs and waterfalls (Ref. 37789). Occurs usually in springs and small creeks, but also found in the Mekong main river (Ref. 43281).
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Rose danio

provided by wikipedia EN

The rose danio (Danio roseus) is a tropical fish of the family Cyprinidae. At first glance, this species resembles the pearl danio, but lacks the orange stripe on the side. It has a rosy colouration along the lower part of the fish and lower fins and gleams purple-blue in sunlight. It is also commonly known as the purple passion danio. Its natural range includes the Mekong River drainage in China, Thailand. Laos, and Myanmar.

  • Maximum length: 1.25 inches 3.175 cm
  • Colors: Blue, purple, silver, red
  • Temperature preference 20-25 °C
  • pH preference: 6 to 7
  • Hardness preference: Soft to medium
  • Salinity preference: Low to medium
  • Compatibility: Peaceful but fast, like most danios; needs plenty of space to swim; a good "dither" fish (draws timid fish out of hiding)
  • Lifespan: Typically two to three years
  • Ease of keeping: Moderate
  • Ease of breeding: Moderate to easy

References

  1. ^ Vidthayanon, C. (2012). "Danio roseus". IUCN Red List of Threatened Species. 2012: e.T181356A1725490. doi:10.2305/IUCN.UK.2012-1.RLTS.T181356A1725490.en. Retrieved 12 November 2021.
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Rose danio: Brief Summary

provided by wikipedia EN

The rose danio (Danio roseus) is a tropical fish of the family Cyprinidae. At first glance, this species resembles the pearl danio, but lacks the orange stripe on the side. It has a rosy colouration along the lower part of the fish and lower fins and gleams purple-blue in sunlight. It is also commonly known as the purple passion danio. Its natural range includes the Mekong River drainage in China, Thailand. Laos, and Myanmar.

Maximum length: 1.25 inches 3.175 cm Colors: Blue, purple, silver, red Temperature preference 20-25 °C pH preference: 6 to 7 Hardness preference: Soft to medium Salinity preference: Low to medium Compatibility: Peaceful but fast, like most danios; needs plenty of space to swim; a good "dither" fish (draws timid fish out of hiding) Lifespan: Typically two to three years Ease of keeping: Moderate Ease of breeding: Moderate to easy
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