Yu, 1931
Diagnosis:
Rostrum ending in three teeth, the lateral about half as long as the median. The carina behind the lateral teeth interrupted in the male. The grooves between central and lateral teeth wide and deep. Lower surface of the rostrum with a median row of three to five spines. Anterolateral border of the carapace with several small teeth behind the eye. The first pereiopods are subchelate. The dactylus in the adult male has a longitudinal row of tubercles on either surface. The palm shows an oblique carina in the anterior part of the inner surface near the base of the dactylus. The dorsal margin of the palm has a row of nine or ten small teeth. The merus has a subdistal anterodorsal spine. A spine is present on the coxa.
Type:
Type locality: "Kiaochow bay" ( = Jiaozhou Wan, near Qingdao, Shandong Province, N. China) syntypes in Fan Memorial institute of Biology, Beijing, China; present whereabouts unknown.
Geographical Distribution:
China: from Shandong Province (Shantung) to Fujian Province (Fukien); Taiwan Island.
Habitat and Biology:
Probably burrowing in the mud like the other economically important species of this genus.
Size:
The types measured 3.1 and 4.6 cm and were described as being young.
Interest to Fisheries:
Liu (1955: 68, pl. 24 figs 7-12) included this species in his "Economic shrimps and prawns of North China", and for that reason it is mentioned here.