A small crustacean. Carapace ovate, more long than wide; neotype measurements: 25.1 mm × 22.5 mm.[1] Females tends to have larger bodies than males; on the southern coast of Java, the carapace length is 17.6–34.9 mm in females or 18.1–27.7 in males.[2]
"Carapace densely covered with sharply serrate, transverse lines. Frontal margin five-toothed; outer pair narrow, triangular, and sharp-pointed, and in adults projecting well beyond inner ones; inner pair rounded; between them a small median denticle, broadly triangular and scarcely produced. A row of 50–55 shallow, setiferous, slightly elongate pits near each lateral margin, forming a narrow band. Antennal flagellum with 3–6 articles, the number increasing with age. Dactyl of second and third legs deeply falcate, distal and proximal portions of the concave margin meeting at a right angle."
This small crustacean is especially found on sandy bottoms of low intertidal to shallow subtidal.[4]
In Malaysia, the crustaceans are locally known as Yat Yat or Ibu Remis. They can be found along the beaches in Kelantan during the monsoon season. The crustaceans are a local delicacy that is usually fried with eggs or roasted on a skewer like satay.[5]
Uses
Known locally as yutuk in southern coasts of Central Java, this crustacean is often caught by local people and cooked as a delicacy.[2]
