Across
Rich source, fish served with last drops of sardine oil (2,6)
Stick securing old, hollowed out puppet (6)
Fish, a freak doing the backstroke? (4)
In death, evoke praise (10)
OK to put away bed and lie around? (6)
Two things smoked, queer fish (8)
My Lord has invested currency — big fish (7)
Deep, deep fish (3,4)
Fish good with two fish (8)
See 21
Croatian boxers reportedly bringing carp (5,5)
Stonefish? (4)
Fish not a sausage male's thrown back (6)
Transport used on street, most reliable (8)
Down
Fish get into difficulties (8)
Little bit of Africa to investigate, travelling north (4)
Draw spirit miles up (6)
Fish ball with different starter (7)
Contemporary scholar gathering speed (5-3)
Temporary office left, using this handle over ditch (10)
Drinking litres, bum virtually drunk (6)
Ladies scantily dressed, Barbra Streisand's initials covering her topless picture (5,5)
Realisation, where I happen to change personality, ultimately (8)
Fish is covered in cream after gutting error (8)
V fishy stain under unopened receptacle (7)
22a
Kipper in front, farewell forever seafood sandwiches! (3,3,6)
Come to understand thread about European Union (4,2)
Fish bleeding briefly (4)
Type letters or click words in the clue