1: Venomous enemy lurks in Caspians (3)
3: Steer TS into alternative routes (4,7)
8: Sounds like Brazilian soccer player may make a good fisher (7)
9: Noise heard and used in tennis? (7)
10: African region of birth (5)
11: Shabby and insolent, having no trace of breeding (5)
12: Sigh in the midst of plain neglect (9)
13: So sad coming back, Pops (5)
17: Rising from an island in the Atlantic (9)
20: Lightened up, taking part in strip-tease dance (5)
21: Savings plan question starting to intrigue certain Middle Easterner (5)
23: A winner after flippant concern (7)
24: To grin, I become disorderly (7)
25: Employ heart-broken Spartans where disaster came to pass. (11)
26: Fool to join recital (3)