The four-layered ice cubes insolated from the main board and the liquorice swirls make this level harder.
The fish can be useless if they are set off without a jam space on them.
First, spread the jam as quickly as you can, using whatever special candies available if necessary. Watch for special candies that can destroy the blockers, such as striped candies, but this isn't your first priority.
Second, after the jam is spread in spaces without blockers, target those blockers with special candies, especially fish and striped candies.
Some special candies combinations are essential element to remove blockers and spread the jam.