Three new records of Nannosquillidae from Taiwan with notes on their ecology (Crustacea, Stomatopoda, Lysiosquilloidea)
Author
Wang, Jing-Wen
Author
Chiou, Tsyr-Huei
text
ZooKeys
2017
721
33
43
http://dx.doi.org/10.3897/zookeys.721.20588
journal article
http://dx.doi.org/10.3897/zookeys.721.20588
1313-2970-721-33
E3F23321CB074B03B9CA42B0DCABC819
E3F23321CB074B03B9CA42B0DCABC819
Pullosquilla pardus (Moosa, 1991)
Figs 6, 7
Pullosquilla pardus
Moosa, 1991: 184-185, fig. 8;
Ahyong 2001
: 165-168, fig. 83.
Material examined.
NCKU-0102-01, 1 male (TL 12.3 mm); NCKU-0103-03, 1 male (TL 17.9 mm); NCKU-0103-04, 1 female (TL 13.1 mm), November 2014. NCKU-0104-01, 1 female (TL 19.7 mm); NCKU-0104-02, 1 female (TL 22.7 mm); NCKU-0104-03, 1 female (TL 21.9 mm); NCKU-0104-04, 1 male (TL N/A); NCKU-0104-05, 1 male (TL 23.1 mm); NMNS-7834-005, 1 male (TL 21.3 mm); NMNS-7834-006, 1 male (TL 20.4 mm); NMNS-7834-007, 1 female (TL 23.8 mm), June 2017. NCKU-0105-04, 1 female (TL N/A); NCKU-0105-05, 1 female (TL 24.0 mm); NCKU-0105-06, 1 female (TL 20.9 mm); NMNS-7834-008, 1 female (TL 25.3 mm); NCKU-0105-08, 1 female (TL 19.4 mm); NCKU-0105-09, 1 female (TL 23.2 mm); NCKU-0105-10, 1 female (TL 22.8 mm), July 2017.
Diagnosis.
Cornea subglobular. Eyes reaching to end of A1 peduncle. Rostral plate cordiform, broader than long. Dorsal processes of A1 somite forming elongated triangular lobes directed anteriorly. A2 protopod with mesial and ventral papilla (Fig. 7A).
Figure 6.
Pullosquilla pardus
Moosa, 1991, male specimen from Taiwan. TL 20.4 mm, dorsal view, color in life.
Figure 7.
Pullosquilla pardus
Moosa, 1991, male specimen from Taiwan, TL 21.3 mm: A cephalon, dorsal B raptorial claw, right lateral C telson and uropod, ventral D telson and uropod, dorsal. Scale bar 1 mm.
Raptorial claw dactylus with 12-13 teeth; propodus occlusal margin pectinate, proximally with 4 movable spines. Distal end of ischium armed with an anteroventrally-directed spine (Fig. 7B). Basal segment of pereiopods 1 and 2 each armed with inner and outer spines; basal segment of pereiopod 3 with outer spine only. Mandibular palp absent, five epipods present.
AS6 with ventrolateral spine anterior to uropodal articulation (Fig. 7C). Telson broader than long; dorsal surface posteriorly with one blunt subtriangular projection; lateral margins unarmed; posterior margin with a pair of movable submedian teeth and four pairs of fixed primary teeth. Margins between each primary tooth with denticle except for submedian margin, with 5-8 submedian denticles either side of midline (Fig. 7D).
Uropodal protopod with slender distal spine at inner margin above articulation of exopod. Outer margin of proximal uropodal exopod segment laterally armed with a short fixed spine; distally with4 straight movable spines directed posteriorly; medially with stiff seta. Exopod distal segment and endopod both ovate in shape (Fig. 7C, D).
Distribution.
New Caledonia through Timor Sea to northwest shelf, Australia, and now Taiwan. This is the first record of
P. pardus
in the northern Hemisphere.
Remarks
.
According to
Moosa (1991)
,
P. pardus
most closely resembles
P. malayensis
of the other
Pullosquilla
species (
Moosa 1991
). Specimens collected in this study agree well with the characteristics of
Pullosquilla pardus
reported in
Moosa (1991)
and
Ahyong (2001)
. In addition to the differences described by
Moosa (1991)
, the outer spine of the uropodal protopod in our specimens is always longer and stronger than the inner spine, unlike that in
P. malayensis
, which has a shorter and slenderer outer spine (
Manning 1968
).