Trizocheles manningi Forest, 1987

Komai, Tomoyuki & Chan, Tin-Yam, 2016, “ Symmetrical ” hermit crabs of the family Pylochelidae (Crustacea: Decapoda: Anomura) collected by the “ BIOPAPUA ” and “ PAPUA NIUGINI ” expeditions in the Papua New Guinea, with descriptions of two new species, Zootaxa 4088 (3), pp. 301-328 : 319

publication ID

https://doi.org/ 10.11646/zootaxa.4088.3.1

publication LSID

lsid:zoobank.org:pub:D055AB86-A0A2-4E30-8671-4B0990C478FB

DOI

https://doi.org/10.5281/zenodo.6076079

persistent identifier

https://treatment.plazi.org/id/03D78781-E242-FF80-D4A4-FEDA0E6D9C88

treatment provided by

Plazi

scientific name

Trizocheles manningi Forest, 1987
status

 

Trizocheles manningi Forest, 1987 View in CoL

( Fig. 5A View FIGURE 5. A )

Trizocheles manningi Forest, 1987a: 210 , figs. 59a, 66d, 72; 1987b: 315, fig. 2 [type locality: N of Mindanao, Bohol Sea, Philippines, 296 m].—Lemaitre et al. 2009: 5.—McLaughlin & Lemaitre 2009: 225.—Komai 2013: 92.

Material examined. BIOPAPUA, stn CP 3693, SW of Manus Island, 02°10’S, 147°17’E, 300 m, 29 September 2010, 1 male (sl 6.0 mm), 1 ovigerous female (sl 7.3 mm), MNHN-IU-2014-12702; same data, 1 male (sl 5.6 mm), MNHN-IU-2011-2636; same data, 1 male (sl 7.0 mm), MNHN-IU-2011-2445; stn DW 3732, 08°16’S, 150°29’E, 340–358 m, 9 October 2010, 1 ovigerous female (sl 7.7 mm; photographed), MNHN-IU-2011-3076.

PAPUA NIUGINI, stn CP 4059, N of Vanimo, Bismarck Sea, 02°38’S, 141°18’E, 335 m, 21 December 2012, 1 female (sl 3.6 mm), MNHN-IU-2014-10298b.

Description. See McLaughlin & Lemaitre (2009: 225–226).

Size. Largest male sl 7.0 mm, largest female sl 7.7 mm, ovigerous females sl 7.3–7.7 mm.

Colour in life. Shield and pleon light yellow-orange and slightly mottled; ocular peduncle, antennular and antennal peduncles orange; chelipeds and ambulatory generally orange, meri with scattered whitish spots; eggs scarlet ( Fig. 5A View FIGURE 5. A ).

Distribution. Previously known only from the Philippines, 296 m (McLaughlin & Lemaitre 2009). Newly recorded from Papua New Guinea, 300–358 m.

Habitat. Tusk shells.

Remarks. Trizocheles manningi was previously known only from two females, the holotype and one additional specimen (McLaughlin & Lemaitre 2009), both from the Philippines. The present specimens agree well with the redescription by McLaughlin & Lemaitre (2009), particularly in the lack of stridulating rods or tubercles on the lateral faces of cheliped carpi, the dorsally unarmed propodi of the second pereopods, and the presence of four dorsal spines on the carpi of the second pereopods.

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