Fusigobius duospilus Hoese & Reader, 1985

Chen, I-Shiung, Chen, Kuan-Te, Yang, Yen-Cheng, Harefa, Tonisman, Chou, Li-Chin, Shen, Kang-Ning & Chang, Chih-Wei, 2024, Taxonomic review and molecular phylogenetics of the reef gobiid genus Fusigobius from Taiwan with comments on a new species from South China Sea, Zootaxa 5550 (1), pp. 17-31 : 19-20

Fusigobius duospilus Hoese & Reader, 1985

( Figs. 1A , 3A ; Table 2)

Fusigobius duospilus Hoese & Reader 1985: 2 (in part) (Escape Reef, Great Barrier Reef, Australia); Hoese & Obika 1988: 286; Chen et al. 1997: 129; Chen & Shao 1997: 90; Akihito in Nakabo 2000: 1247; Mundy 2005: 475; Hiroshi et al. 2007: 67; Chen et al. 2010: 489; Shen 2011: 685.

Coryphopterus duospilus : Randall 1995: 797; Randall et al. 1997: 529; Randall & Earle 2000: 19; Randall 2001: 208; Greenfield & Randall 2004: 517; Randall 2005: 524.

Materials examined. NTOUP 2006-08 - 712 , 22.1 mm SL, Chao-Jing Park , Keelung City, 15 m, coll. I-S Chen et al., August 25, 2006 ; NTOUP 2006-09 - 733 , 25.4 mm SL, Hongchaikeng, Kenting , Pingtung County, 15 m, coll. I-S Chen et al., September 14, 2006 ; NTOUP 2006-09 - 734 , 28.6 mm SL, Hongchaikeng, Kenting , Pingtung County, 15 m, coll. I-S Chen et al., September 14, 2006 ; NTOUP 2006-09 - 735 , 25.1 mm SL, Hongchaikeng, Kenting , Pingtung County, 15 m, coll. I-S Chen et al., September 14, 2006 ; NTOUP 2006-09 - 739 , 27.7 mm SL, Hongchaikeng, Kenting , Pingtung County, 15 m, coll. I-S Chen et al., September 14, 2006 ; NTOUP 2008-06 - 398 , 33.3 mm SL, Chao-Jing , Keelung City, 10 m, coll. I-S Chen et al., June 26, 2008 ; NTOUP 2010-09 - 467 , 28.9 mm SL, Nanwan, Kenting , Pingtung County, 20 m, coll. M-J Jiang et al., May 26, 2010 ; NTOUP 2010-09 - 470 , 24.6 mm SL, Nanwan, Kenting , Pingtung County, 20 m, coll. M-J Jiang et al., May 27, 2010 ; NTOUP 2012-03 - 248 , 28.1 mm SL, Longshiadong, Liouciou Township , Pingtung County, 15 m, coll. I-S Chen et al., August 12, 2010 ; NTOUP 2012-03 - 250 , 31.0 mm SL, Huapingyan, Liouciou Township , Pingtung County, 15 m, coll. I-S Chen et al., August 13, 2010 ; NTOUP 2012-03 - 251 , 28.6 mm SL, Huapingyan, Liouciou Township , Pingtung County, 15 m, coll. IS Chen et al., August 13, 2010 ; NTOUP 2012-03 - 252 , 16.7 mm SL, Huapingyan, Liouciou Township , Pingtung County, 15 m, coll. I-S Chen et al., August 13, 2010 ; NTOUP 2012-03 - 258 , 25.5 mm SL, Houshih Fringing Reef, 20 m, Liouciou Township , Pingtung County, coll. I-S Chen et al., August 13, 2010 ; NTOUP 2012-03 - 275 , 16.1 mm SL, North-side of atoll, Dongsha Island , Kaohsiung City, 20 m K-T Chen, June 19, 2011 ; NTOUP 2012-06 - 503 , 3 : 20.9–21.9 mm SL, Outer-side of atoll, Dongsha Island , Kaohsiung City, 20 m K-T Chen, July7, 2011 ; NTOUP 2012-06 - 504 , 2 : 20.1–20.6 mm SL, Outer-side of atoll, Dongsha Island , Kaohsiung City, 20 m K-T Chen, July 7, 2011 ; NTOUP 2012-06 - 505 , 28.4 mm SL, Outer-side of atoll, Dongsha Island , Kaohsiung City, 20 m K-T Chen, July 7, 2011 ; NTOUP 2012-06 - 506 , 4 : 20.2–27.8 mm SL, Liouciou Township , Pingtung County, 15 m, coll. I-S Chen et al., July 7, 2007 ; NTOUP 2012-06 - 507 , 4 : 17.8–32.6 mm SL, Huapingyan, Liouciou Township , Pingtung County, 10 m, coll. I-S Chen et al., July 7, 2007 ; NTOUP 2012-06 - 508 , 3 : 24.2–36.2 mm SL, Meirendong, Liouciou Township , Pingtung County, 15 m, coll. I-S Chen et al., July 10, 2007 ; NTOUP 2012-06 - 509 , 4 : 12.0–27.6 mm SL, Liouciou Township , Pingtung County, 15 m, coll. I-S Chen et al., July 8, 2007 ; NTOUP 2012-06 - 510 , 4 : 27.6–31.6 mm SL, Shiangjieuwan, Kenting , Pingtung County, 20 m, coll. I-S Chen et al., September 8, 2008 ; NTOUP 2012- 06 - 511 , 2 : 25.2–28.4 mm SL, Hongchiakeng, Kenting , Pingtung County, 15 m, coll. I-S Chen et al., September 9, 2008 ; NTOUP 2012-06 - 512 , 30.8 mm SL, Hongchiakeng, Kenting , Pingtung County, 15 m, coll. I-S Chen et al., September 5, 2009 ; NTOUP 2012-06 - 513 , 33.8 mm SL, Shanhai, Kenting , Pingtung County, 15 m, coll. K-T Chen, May 3, 2011 ; NTOUP 2012-06 - 514 , 25.1 mm SL, Shanhai, Kenting , Pingtung County, 15 m, coll. K-T Chen, May 3, 2011 ; NTOUP 2012-06 - 515 , 17.2 mm SL, Wanlitong, Kenting , Pingtung County, 15 m, coll. K-T Chen, May 3, 2011 ; NTOUP 2012-06 - 516 , 23.8 mm SL, Hongchaikeng, Kenting , Pingtung County, 15 m, coll. K-T Chen, May 3, 2011 ; NTOUP 2012-06 - 517 , 21.3 mm SL, Hongchaikeng, Kenting , Pingtung County, 15 m, coll. K-T Chen, May 3, 2011 ; NTOUP 2012-06 - 518 , 3 : 16.1–20.5 mm SL, Baisha, Kenting , Pingtung County, 15 m, coll. K-T Chen, May 4, 2011 ; NTOUP 2012-06 - 519 , 17.2 mm SL, Hongchaikeng, Kenting , Pingtung County, 15 m, coll. K-T Chen, May 5, 2011 ; NTOUP 2012-06 - 520 , 25.7 mm SL, Longshiadong, Liouciou Township , Pingtung County, 15 m, coll. K-T Chen, August 24, 2011 ; NTOUP 2012-06 - 521 , 24.9 mm SL, Longshia dong, Liouciou Township , Pingtung County, 15 m, coll. K-T Chen, August 24, 2011 ; NTOUP 2012-06 - 522 , 42.0 mm SL, Huapingyan, Liouciou Township , Pingtung County, 15 m, coll. K-T Chen, August 24, 2011 ; NTOUP 2012-06 - 523 , 2 : 26.1–26.9 mm SL, Huapingyan, Liouciou Township , Pingtung County, 15 m, coll. K-T Chen, August 24, 2011 ; NTOUP 2012-06 - 524 , 2 : 29.9–35.2 mm SL, Huapingyan, Liouciou Township , Pingtung County, 15 m, coll. K-T Chen, August 24, 2011 ; NTOUP 2012- 06 - 525 , 6 : 24.9–35.2 mm SL, Shanfu fish port, Liouciou Township , Pingtung County, 10 m, coll. K-T Chen, August 25, 2011 ; NTOUP 2012-06 - 526 , 3 : 23.5–28.8 mm SL, Huapingyan, Liouciou Township , Pingtung County, 15 m, coll. K-T Chen, August 25, 2011 ; NTOUP 2012-06 - 527 , 25.8 mm SL, Mianhua Islet , Keelung City, 20 m, coll. I-S Chen et al., September 6, 2011 ; ASIZP0057529 , 3 : 25.8–34.6 mm SL, Tiaoshi, Kenting , Pingtung County, coll. J-P Chen, November 2, 1995 .

Diagnosis. D1 VI; D2 I/9; A I/8; P modally 19; LR modally 25; TR7; SD1P 3. Pelvic fin with weak frenum. First dorsal fin with a large vertical black line in front of 3 rd spinous ray; second black blotch around 5 th to 6 th spinous rays. Body with many small brown spots. Caudal fin base with a large triangular black mark.

Distribution. Widely distributed in the Indo-West Pacific region. It can be found in northern, eastern, southern Taiwan, as well as other islands.

Figures

FIGURE 1. Specimen photos of nominal species of Fusigobius from Taiwan. (A) Fusigobius duospilus, NTOUP 2012-06- 524, 28.8 mm SL, Huapingyan, Liouciou Township, Pingtung County, Taiwan. (B) Fusigobius humeralis, NTOUP 2012-06- 533, 29.2 mm SL, Huapingyan, Liouciou Township, Pingtung County, Taiwan. (C) Fusigobius inframaculatus, NTOUP 2012- 06-543, 45.9 mm SL, Longshiartong, Huapingyan, Liouciou Township, Pingtung County, Taiwan. (D) Fusigobius melacron, NTOUP 2010-09-472, 33.3 mm SL, Nanwan, Henchuen Township, Taiwan. (E) Fusigobius neophytus, NTOUP 2012-03-276, 34.8 mm SL, Northern Coast, Dongsha, Taiwan. (F) Fusigobius neophytus, NTOUP 2012-03-268, 19.0 mm SL, Northern Coast, Dongsha, Taiwan. (G) Fusigobius taipinensis, NTOUP 2022-07-201, holotype, 25.5 mm SL, Taiping Island, Nansha, South China Sea. (H) Fusigobius taipinensis, NTOUP 2012-06-555, paratype, 25.7 mm SL, Huapingyan, Liouciou Township, Pingtung County, Taiwan. (Bar = 1 mm).

FIGURE 3. Pigmentation on the first dorsal fin from preserved specimens. (A) Fusigobius duospilus, NTOUP 2012-06-524, 29.9 mm SL, Huapingyan, Liouciou Township, Pingtung County, Taiwan. (B) Fusigobius taipinensis, NTOUP 2012-06-556, 28.8 mm SL, paratype, Huapingyan, Liouciou Township, Pingtung County, Taiwan. Illustration by Kuan-Ter Chen. (Bar = 1 mm).