Pycnoplax victoriensis ( Rathbun, 1923 )

Ahyong, Shane T., 2008, Deepwater crabs from seamounts and chemosynthetic habitats off eastern New Zealand (Crustacea: Decapoda: Brachyura), Zootaxa 1708 (1), pp. 1-72 : 34-35

publication ID	https://doi.org/10.11646/zootaxa.1708.1.1
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treatment provided by	Felipe (2021-07-15 19:59:08, last updated by Plazi 2023-11-03 11:21:25)
scientific name	Pycnoplax victoriensis ( Rathbun, 1923 )
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Pycnoplax victoriensis ( Rathbun, 1923) View in CoL

( Figs 15B View FIGURE 15 , 29B View FIGURE 29 )

Carcinoplax victoriensis Rathbun, 1923: 101 View in CoL , pl. 19 [type locality: S of Gabo Island, Victoria, Australia]. — Dell 1960:

4, pl. 1; 1963a: 251–252, 253; 1963b: 49; 1968a: 25; 1968c: 234, 238. — Takeda & Miyake 1969: 158, 172–173,

fig. 2. — Griffin & Brown 1976: 254–255. — McLay 1988: 258–260, fig. 57. — Takeda in Amaoka et al. 1990:

374. — Davie 2002: 194. — Poore 2004: 436, fig. 140d, pl. 24b. — Ahyong et al. 2007: 146. Carcinoplax sp. — Clark & O’Shea 2001: 15. Pycnoplax meridionalis . — Castro 2007: 670 [part, Banks Peninsula specimens; not P. meridionalis ( Rathbun, 1923) ]. Pycnoplax victoriensis . — Castro 2007: 661, 663, 671–672.

Material examined. Rumble III Seamount: NIWA 27556 View Materials , 1 male (cl 4.9 mm; 1 damaged), 35°44.38–44.46’S, 178°29.92–30.43’E, 420– 220 m, TAN0107/50, 19 May 2001 .

Mahina Knoll: NIWA 6739 View Materials , 2 females (cl 8.0– 8.8 mm), 37°20.92–20.82’S, 177°05.95–06.23’E, 500– 463 m, TAN0413/125, 14 Nov 2004 ; NIWA 6740 View Materials , 1 female (cl 8.7 mm), 37°19.51–19.62’S, 177°05.42–05.11’E, 638– 542 m, TAN0413/127, 14 Nov 2004 .

Tuatoru Seamount: NIWA 6738 View Materials , 2 males (cl 9.5–10.8 mm), 37°28.25–28.41’S, 177°13.35–13.58’E, 207– 216 m, TAN0413/85, 12 Nov 2004 ; NIWA 6736 View Materials , 2 males (cl 9.8–10.4 mm), 37°27.63–27.91’S, 177°12.52– 12.18’E, 464–473 m, TAN0413/72, 12 Nov 2004 ; NIWA 6737 View Materials , 1 male (cl 5.2 mm), 37°28.84–28.64’S, 177°13.74–13.57’E, 454– 317 m, TAN0413/76, 12 Nov 2004 .

Ritchie Hill: NIWA 34969 View Materials , 1 male (cl 10.5 mm), 39°28.24–27.28’S, 178°24.76–25.17’E, 865– 741 m, KAH9907/40, 3 Jun 1999 .

Builders Pencil cold seep: NIWA 29350 View Materials , 2 females (cl 8.1–12.4 mm; smaller with rhizocephalan), 39°32.59–32.62’S, 178°20.17–19.72’E, 815– 812 m, TAN0616/21, 5 Nov 2006 .

Tims Bank, S of Ritchie Hill : NIWA 34971 View Materials , 1 View Materials damaged male, 40°01.2’S, 178°04.09’E, 797–804 m, KAH9907/01, 1 Jun 1999 GoogleMaps .

Rock Garden cold seep: NIWA 29349 View Materials , 1 female (cl 10.5 mm), 40°02.31–02.47’S, 178°08.58–08.62’E, 730–747 m, TAN0616/06, 4 Nov 2006 .

Kereru cold seep, Uruti Ridge: NIWA 29353 View Materials , 4 females (cl 8.0– 12.3 mm), 41°17.32–17.17’S, 176°35.23– 35.49’E, 731– 720 m, TAN0616/70, 10 Nov 2006 .

Western Uruti Ridge: NIWA 29352 View Materials , 1 male (cl 9.9 mm), 1 female (cl 4.5 mm), 41°17.46–17.49’S, 176°32.88–33.12’E, 733– 722 m, TAN0616/68, 10 Nov 2006 .

Remarks. Pycnoplax victoriensis is the most common deepwater goneplacid in New Zealand waters, attaining at least 33 mm cl. It is recorded for the first time from a chemosynthetic habitat.

Distribution. Southern Australia and New Zealand, from Chalky Sound to the Chatham Rise, Challenger Plateau, the Bay of Plenty and Kermadec Ridge; 125–765 m ( McLay 1988).

References

Amaoka, K., Matsuura, K., Inada, T., Takeda, M., Hatanaka, H., & Okada, K. 1990. Fishes collected by the R / V Shinkai Maru around New Zealand. Japan marine Fishery Resource Research Center, Tokyo. 410 pp.

Castro, P. (2007) A reappraisal of the family Goneplacidae MacLeay, 1838 (Crustacea, Decapoda, Brachyura) and a revision of the subfamily Goneplacinae, with the description of 10 new genera and 18 new species. Zoosystema, 29 (4), 609 - 774.

Clark, M. & O'Shea, S. (2001) Hydrothermal vent and seamount fauna from the southern Kermadec Ridge, New Zealand. Inter Ridge News, 10 (2), 14 - 17.

Davie, P. J. F. (2002) Crustacea: Malacostraca: Eucarida (Part 2). In: Wells, A. & Houston, W. W. K. (Eds.) Zoological Catalogue of Australia. Vol. 19.3 B. CSIRO Publishing, Melbourne. 551 pp.

Dell, R. K. (1960) Crabs (Decapoda, Brachyura) of the Chatham Islands 1954 Expedition. Biological Results of the Chatham Islands 1954 Expedition, 1960, part 1. New Zealand Department of Scientific and Industrial Research Bulletin, 139, 1 - 7, pls 1 - 2.

Griffin, D. J. G. & Brown, D. E. (1976) Deepwater decapod Crustacea from eastern Australia: brachyuran crabs. Records of the Australian Museum, 30 (11), 248 - 271.

McLay, C. L. (1988) Crabs of New Zealand. Leigh Laboratory Bulletin, 22, i - iv, 1 - 463.

Poore, G. C. B. (2004) Marine Decapod Crustacea of Southern Australia: a guide to identification. Melbourne: CSIRO Publishing. 574 pp.

Rathbun, M. J. (1923) Report on the crabs obtained by the F. I. S. Endeavour on the coasts of Queensland, New South Wales, Victoria, South Australia and Tasmania. Biological results of the fishing experiments carried on by the F. I. S. Endeavour 1909 - 1914, 5 (3), 95 - 156.

Takeda, M. & Miyake, S. (1969) A small collection of crabs from New Zealand. Occasional Papers of the Zoological Laboratory, Faculty of Agriculture, Kyushu University (OHMU), 2 (8), 157 - 293.

Figures

FIGURE 15. A, Pycnoplax meridionalis (Rathbun, 1923), male, cl 13.2 mm (NIWA 6643). B, Pycnoplax victoriensis (Rathbun, 1923), female, cl 10.5 mm (NIWA 29349). C–G, Intesius richeri Crosnier & Ng, 2004, female, cl 15.5 mm (NIWA 27549). C, carapace. D, ventral. E, right chela. F, right cheliped carpus. G, right cheliped merus and carpus.

FIGURE 29. A, Pycnoplax meridionalis (Rathbun, 1923), male, cl 20.9 mm (NIWA 29658). B, Pycnoplax victoriensis (Rathbun, 1923), male, cl 10.4 mm (NIWA 6736). C, Mathildella mclayi sp. nov., female paratype, cl 11.9 mm (NIWA 6769). D, Neopilumnoplax nieli sp. nov., male paratype, cl 15.0 mm (NIWA 29651). E, Miersiella haswelli (Miers, 1886), male, cl 7.8 mm (NIWA 6760). F, Miersiella haswelli (Miers, 1886), ovigerous female, cl 7.1 mm (NIWA 6760). Photo credits: C. Marriot (A, D), R. Stewart (B–C, E–F).