 "C. colosii" is found in Morocco, the Spanish exclaves Ceuta and Melilla, and the Spanish island Isla de Tierra (near Peñón de Alhucemas), but is not very common in the western part of this range.Its general abundance is not well known, but it lives in semi-arid or sub-humid areas up to an altitude of .It is most commonly found in rocky areas such as stone heaps or slopes with loose soil and partial grass cover.