2: Ripen mangoes evenly (3)
3: Immediately placed in an awkward situation (2,3,4)
4: Fish in sea initially react to heat, perhaps (5)
5: Odysseus' first requirement - to catch you like Polyphemus? (3-4)
6: Coral Sea, perhaps, without a fish (7)
9: Massage central skeleton for money (5)
12: Managed in lower Antwerp (3)