staghorn algae, possibly compsopogon sp. fast grow in nutrient and organic rich water of planted natural freshwater biotope

abominable active algae aqua aquarium aquatic bad biotope brown clear clearwater coldwater commom compsopogon conditions controlled decorative disgusting driftwood easy ecology europe fast fauna fixed free freshwater grow growth keep look macro natural nature nutrient organic overlighting planted possibly problem protection rich river sand space staghorn stem substrate surface tank temperate trouble underwater vegetation water weed widespread