• Lateral processes of carapace greatly developed,front distinctly wider than orbit
• longitudinal ridge of dactylus of cheliped well striated
• A distinct spine at angle of hand where it comes in contact with external angle of arms
• carapace uniformly coloured with less red spots

• Only a tubercle at angle of hand where it toucher external angle of arms
• carapace coloured with more red spots,rings and vermiculated lined

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