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The south west group of the International Rainbow Fish Association and JBL initiated a little Saturday afternoon expedition to the various fishing grounds on the Rhineland-Palatinate side of the Rhine, since catching feeder animals there is, according to the provincial law on fisheries (§31), not dependant on having a fishing license. Along with large amounts of black and a few white mosquito larvae a lot of water fleas and cyclops were caught in the JBL nets. Then, in a flooded forest, we found our rare freshwater artemia! With the help of the JBL ProScan water tests the water values were determined immediately on-site: nitrite and nitrate were undetectable, although enormous amounts of leaves were present! General hardness and carbonate hardness were at 4 °dH with a pH value of 6.8. The about 2 cm large Branchiopoda were so cute that we don’t plan to feed them to the aquarium fish, as we will with the mosquito larvae. Instead we’ll keep them in a small aquarium. With a bit of liquid algae food looking after them will be easy.
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