CPD Water Parameters

as we are discussing about CPD water parameters, sorry i don’t know it exactly. But this CPD remarkably-coloured little fish was discovered in 2006 and many were skeptical of the photographs; but once confirmed, it became one of the most sought-after fish in the history of the hobby. Exportation was banned by the Myanmar government who feared the species was near-extinction due to the thousands of fish being caught daily; it was subsequently discovered in other areas, and has further shown itself to be an easy fish to spawn in the aquarium.

Males are much more brightly coloured as can be seen in the first and second photos; the third photo shows a female. Like many of the small cyprinids, this one is an egg-scatterer and shows no parental care; in a thickly-planted species aquarium, spawning will likely be frequent and some fry should survive even with no intervention from the aquarist.

A dark substrate will cause the fish to display its deepest colouration which is certainly beautiful, and the aquarium should be thickly planted for the reasons noted above under Compatibility/Temperament. The fish spends its day in the lower half of the aquarium, and will not rise to the surface even to feed, so foods must be sinking as noted below. It is rather stationary, its only movement often the display of the males. Shy by nature, it will remain hidden if the plants are not thick.

Upon discovery in 2006, the species was generally seen under the name Microrasbora sp. “Galaxy” or the Galaxy Rasbora. Upon being described by Tyson Roberts (2007) it was placed in the newly erected genus Celestichthys in the Sub-Family Danioninae, under the species name of margaritatus; Roberts recognized its close similarity to Microrasbora erythromicron but kept it separate. Disagreement from several ichthyologists followed, and in 2008, Kevin Conway (with Wei-Jen and Richard Mayden) concluded that the species is closest to Danio erythromicron [originally described as Microrasbora erythromicron but also moved to Danio in 2008] and on the basis of a number of scientific traits assigned it to this genus.

In a 2007 published study, Richard L. Mayden et.al. determined that the species then in Microrasbora are in fact phylogenetically closer to Danio than Rasbora, and subsequently all but one of the species were moved to other genera; Microrasbora rubescens is the sole confirmed species in the genus, although M. microphthalma and M. rubescens “Thuzari” are still uncertain. It is likely that these beautiful fish may appear under any of these names for some time.