Taxonomy of freshwater gobies of the genus Rhinogobius (Oxudercidae, Gobiiformes) from central Vietnam, with descriptions of two new species Author Maeda, Ken Marine Eco-Evo-Devo Unit, Okinawa Institute of Science and Technology Graduate University, 1919 - 1 Tancha, Onna, Okinawa 904 - Author Kobayashi, Hirozumi 0000-0003-0718-5637 Tropical Biosphere Research Center, University of the Ryukyus, 1 Senbaru, Nishihara, Okinawa 903 - 0213, Japan. & Department of Zoology, National Museum of Nature and Science, 4 - 1 - 1 Amakubo, Tsukuba, Ibaraki 305 - 0005, Japan. Author Iida, Midori Marine Biological Station, Sado Island Center for Ecological Sustainability, Niigata University, 87 Tassha, Sado, Niigata 952 - 2135, Author Tran, Hau Duc 0000-0002-2599-1045 Institute of Natural Science, Hanoi National University of Education, 136 Xuan Thuy, Cau Giay, Hanoi, Vietnam. text Zootaxa 2024 2024-08-14 5493 5 507 541 http://dx.doi.org/10.11646/zootaxa.5493.5.3 journal article 302211 10.11646/zootaxa.5493.5.3 a61d7523-bbbc-48eb-8d7f-ee69106f0c67 1175-5326 13330559 68C20ADC-2E16-4606-AEF7-9B80EA6B2696

TABLE 9. Morphometric data of Rhinogobius taenigena, R. leavelli, and R. similis from central Vietnam, expressed as percentages of standard length. D 1, first dorsal fin; D 2, second dorsal fin; A, anal fin; C, caudal fin; P 2, pelvic fin. * Includes five specimens of unknown sex.

	R. taenigena		R. leavelli		R. similis
	Male	Female	Male	Female	Male	Female*
Number of specimens	8	10	12	10	9	15
Standard length (mm)	23.6–34.9	29.1–34.1	27.3–43.8	27.0–41.1	42.5–67.1	30.5–62.4
Head length	30.9–33.5	28.1–30.5	30.7–34.1	28.7–31.1	30.5–34.0	28.9–34.0
Snout length	7.8–10.3	7.1–8.2	9.7–12.1	8.2–9.8	11.1–13.9	9.0–12.3
Eye diameter	6.0–7.1	5.9–6.8	6.6–7.7	6.6–8.1	6.2–7.3	6.9–8.5
Postorbital length of head	16.1–18.1	14.7–16.4	14.1–16.4	13.4–14.8	13.3–16.0	12.8–15.3
Upper-jaw length	10.2–14.6	8.5–9.6	11.0–15.8	8.8–11.2	12.6–17.6	9.5–12.2
Body depth at P2 origin	14.2–16.5	14.2–17.2	14.8–17.3	15.5–18.5	16.2–19.3	16.4–19.6
Body depth at A origin	13.6–17.4	14.5–17.7	14.4–17.2	15.1–17.8	14.6–17.9	16.5–18.1
Depth at caudal peduncle	10.9–12.5	11.1–12.9	10.4–12.3	10.1–12.0	10.1–12.1	9.5–11.5
Length of caudal peduncle	25.3–28.4	25.7–29.0	25.7–29.1	25.6–28.8	26.5–28.6	26.1–30.2
Predorsal length	38.1–40.9	35.0–38.0	37.4–39.8	36.7–39.4	36.8–40.4	36.1–40.2
Preanal length	55.8–59.0	56.0–59.7	54.6–57.5	55.0–60.8	53.7–56.3	49.2–58.0
Length of D 1 base	15.7–18.9	16.4–19.5	14.4–19.4	16.7–19.3	17.5–19.4	15.7–19.8
D1 length	20.1–24.1	18.0–21.1	18.3–29.9	17.6–21.2	20.1–23.8	17.7–22.3
Interval between D1 and D2 bases	1.7–4.4	2.3–4.8	1.1–7.2	3.2–5.4	1.0–3.0	1.6–4.3
Length of D2 base	15.7–19.1	14.3–18.2	15.6–17.1	14.9–16.6	17.2–18.7	16.0–18.8
D 2 length	28.8–36.1	25.7–30.8	26.4–36.5	24.1–28.2	31.3–43.7	23.6–30.0
Length of A base	13.3–15.7	11.0–15.5	13.2–15.8	12.0–14.2	14.7–16.5	13.7–15.9
A length	25.0–33.0	22.0–28.4	24.0–30.6	22.2–25.1	26.4–38.5	22.6–28.2
C length	24.3–28.7	23.3–25.9	21.6–28.7	22.4–24.4	24.9–30.2	23.0–28.1