Possible Clues:

• Bit of hardware? Right to stop comic being silly with it
• ID for pet reptile fixed by mark on one joint
• Information source — Military Intelligence overcomes beastly killer with it
• *Smartphone component
• Accompaniment to minute steak? You may find it inside pet!
• Pet identification aid
• Tiny brain? Reptile with it going after half of mine!
• Lost pet identifier, at times
• Animal implant — note reptile with it
• Piece of silicon Greek character found in farmer’s yield by motorway