Possible Clues:

• Sebastian in 'The Little Mermaid,' e.g
• Sebastian in "The Little Mermaid," e.g
• Marine creature covering a marine area, nothing less
• Creature like a shrimp or lobster
• Animal like a crab
• A nut: with scarce bother, it's shelled
• Can't care about eating American lobster perhaps?
• Hermit's expert article on living?
• Can curates cut up a lobster?
• Cracking nut, a scarce thing with a shell?