Complex sentence: The International Union for Conservation of Nature (IUCN) has consequently listed the Izak catshark under Least Concern, while still noting that it merits continued population monitoring because of its highly restricted range.
Split into simpler sentences: The International Union for Conservation of Nature (IUCN) has consequently listed the Izak catshark under Least Concern. Nevertheless, it merits continued population monitoring because of its highly restricted range.