Question: To identify female blue crabs to harvest crab roe.
Option 0: Look at the topside of the crab. The female blue crab has a broad, triangular-shaped area in the center of the shell, whereas the male has a more distinctive, elongated spire in the center.
Option 1: Look at the underside of the crab. The female blue crab has a broad, triangular-shaped area in the center of the shell, whereas the male has a more distinctive, elongated spire in the center.
Answer: 1