Assertion: blue crab's abdomen | /r/HasProperty | slender first pleopods
Facets:
Source sentences:
text: Males have a T-shaped abdomen reaching the level of thoracic sternite 4; slender first pleopods with membranous tip reaching beyond suture between thoracic sternites 4 and 5; sinuously curved, overlapping proximally and armed distally with a row of large and small retrogressive spinules.