Background Invasive gibel carp. Carassius gibelio (Bloch. 1782) has become well-established in the Hungarian waters and now are spreading in the European waters. On major concern now is the potential hybridization between gibel carp and the other invasive species in the Carassius auratus complex (CAC). https://allfixelectricales.shop/product-category/upper-spray-connection-tube/