Possible Clues:

• How the fish got a ruddy turn that looked bad
• No good, by the look of it, to have shelter on the port side
• Looked bad to have shelter on the port side
• Made eyes flushed, although on the sheltered side
• One of 30 across being up on the port side was no good, by the look of it
• The shelter on the port side did not look so good
• The fish turned red and looked bad
• How the eel goes wrong and gets ruddy bad, by the look of it (6)
• Looked wantonly
• The ruddy twister turned nasty, by the look of it