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Rainbow Kribs- Brackish or not?


phoenixn7g
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Rainbow Kribs- Pelvicachromis pulcher

Low salinity brackish water can be defined as water with a specific gravity (or SG) between 1.002 to 1.005. Two sorts of fish can be kept in low salinity water: true brackish water species that need slightly brackish water, and species that are really freshwater fish but happen to be tolerant of slightly brackish water. Among the true, low salinity brackish water fish are orange and green chromides, figure-8 pufferfish, pike livebearers, and knight gobies. Freshwater fish that happen to tolerate brackish water include spiny eels, kribensis, glassfish, the archerfish Toxotes microlepis, and Florida flagfish. Bumblebee gobies and mollies are difficult to place in either group, because in the wild both occur primarily in fresh water. However, in aquaria, they seem to do better when kept in slightly brackish water.

Pelvicachromis pulcher (Boulenger 1901), the Rainbow Krib (from the old name, Kribensis, still sold in the pet-fish trade as). Originally from West Africa; southern Nigeria and Cameroon. A perennial favorite in the hobby, with many generations bred in captivity. Males larger (to four inches), better looking than females. Females are shorter, but more rotund. Freshwater to brackish; pH 5-8, dH 5-19, temperature 24-25C. in the wild.

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