Sacculina gracilis Boschma, 1931

Jung, Jibom & Park, Joong-Ki, 2024, Positive association between PTN polymorphisms and schizophrenia in Northeast Chinese Han population., Zoological Studies 63 (1), pp. 141-149 : 10

Sacculina gracilis Boschma, 1931 (Korean name: Mae-Kkeun-Ge-Ju-Meo-Ni-Beol-Rae) ( Fig. 2L )

Material examined: on T. sima : 1 individual, Seogwipo, 33°12'38.6"N, 126°15'35.5"E, 12 Aug. 2010, collected by HS Ko, NIBRIV0000895332, host: ò, carapace length 21 mm; 1 individual, Tongyeong, 34°50'14.5"N, 128°9'29.9"E, 9 June 2013, collected by HY Suk, NIBRIV0000895334, host: ò, carapace length 16 mm.

Host species: Xiphonectes longispinosus , T. sima , Thalamita picta , Thranita danae , (Brachyura; Portunidae ) Heteropilumnus setosus , Ser fukiensis , (Brachyura; Pilumnidae ) Notonyx vitreus (Brachyura; Goneplacidae ).

Distribution: Thailand (type locality), Indonesia, Singapore, Philippines, China, Korea.

Diagnosis: Whole externa single, smooth, and round fusiform in shape. Mantle aperture small, slightly elevated, and vertically Y-shape opening at the extremity.

Sacculina upogebiae Shiino, 1943 (see Lützen et al. 2016)

Materials examined: on U. major : 1 individual, Boryeong, 36°21'19.7"N, 126°32'40.2"E, 6 June 2012, NIBRIV0000453552; 1 individual, Incheon, 37°13'50.9"N, 126°31'56.9"E, 21 Mar. 2014, NIBRIV0000453567.

Host species: U. major (Gebiidea; Upogebiidae ).

Figures

Fig. 2. Externae of Korean rhizocephalans in this study. Blue arrow: mantle aperture, scale bar: 2 mm for H and J, 1mm for A-G, I, K, L. A, Peltogasterella gracilis; B, Peltogasterella sp.; C, Peltogaster sp. 1; D, Parasacculina imberbis; E, Parasacculina pilosella; F, Parasacculina yatsui; G, Parasacculina oblonga; H, Parasacculina sp. 1; I, Polyascus cf. gregarius; J, Heterosaccus papillosus; K, Sacculina angulata; L, Sacculina gracilis. Externae of C and H are incomplete, because they were sampled for molecular analysis.