Malacostraca | Decapoda
Holthuis, L.B. 1991. (Ref. 4)
Size / Weight / Age
Climate / Range
Subtropical; 38°N - 22°N, 116°E - 123°E (Ref. 4)
Northwest Pacific: China and Taiwan.
Rostrum ending in 3 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 3 to 5 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 at 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 9 or 10 small teeth. The merus has a subdistal anterodorsal spine. A spine is present on the coxa (Ref. 4).
It has lengths of 3.1 and 4.6 cm, described as measurements of young (Ref. 4). It probably burrows in the mud (Ref. 4). Members of the order Decapoda are mostly gonochoric. Mating behavior: Precopulatory courtship ritual is common (through olfactory and tactile cues); usually indirect sperm transfer (Ref. 833).
IUCN Red List Status (Ref. 114614)
CITES status (Ref. 94142)
Threat to humans
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Estimation of some characteristics with mathematical models