Possible Clues:

• Venomous fish; it's angry (anag.)
• A fishy form of the cause of sunburn, perhaps
• Charge man too much for fish
• Way in which poet succeeds, getting fish
• Mean to arrest trawler finally, a menace in the water
• Fish of a stringy variety
• Fish in can consumed by singular poet
• Flatfish with barbed spine
• Venomous creature tight round tailless rodent
• Tight-fisted painter consumed fish