Yes
countable
countable
The noun 'hill' is a countable noun. The plural form is 'hills'.
cookies are countable unless you have brain problems
countable
Shark is a countable noun.
Prawn - prawns is the plural - is a countable noun
Duck as an animal is countable, but if you mean the meat it is uncountable.
Countable
countable
few is countable
ryba (singular) ryby (plural) The word "fish" is countable in the Polish language and hastn't the zero-deriviation {fish} + {s} = fish