Gekko (Gekko) shiva, a new limestone-dwelling gecko from Sa Kaeo Province, eastern Thailand (Squamata, Gekkonidae) Author Pauwels, Olivier S. G. Royal Belgian Institute of Natural Sciences, Rue Vautier 29, B- 1000 Brussels, Belgium. Author Meesook, Worawitoo Faculty of Science and Technology, Rajamangala University of Technology Srivijaya, 109 M. 2, Tham Yai Subdistrict, Thung Song District, Nakhon Si Thammarat Province 80110, Thailand. Author Donbundit, Nattasuda Department of Biology, Faculty of Science, Khon Kaen University, Muang, Khon Kaen 40002, Thailand. Author Jindamad, Tanasak 44 / 56 Ban Nong Ped Nam, Kok Kruad, Muang, Nakhon Ratchasima 30280, Thailand. Author Topai, Nittaya 44 / 56 Ban Nong Ped Nam, Kok Kruad, Muang, Nakhon Ratchasima 30280, Thailand. Author Sumontha, Montri Ranong Marine Fisheries Research and Development Center, 157 Chaloem Phrakiat Rd., Paknam, Muang, Ranong 85000, Thailand. text Zootaxa 2025 2025-02-14 5588 2 305 322 https://doi.org/10.11646/zootaxa.5588.2.6 journal article 308340 10.11646/zootaxa.5588.2.6 e4127d31-7f64-420b-ac70-022ee8009b58 1175-5326 14896510 FDC58489-D3A7-4B15-8A2C-5EF3D63DDE25

TABLE 2. Comparison of selected diagnostic characters of Gekko (Gekko) spp. NA = not available. Bolded values are diagnostic differences from Gekko shiva sp. nov.

Character/Species
G. shiva sp. nov.	G. albofasciolatus	G. gecko azhari	G. gecko gecko	G. hulk	G. nutaphandi	G. pradapdao	G. reevesii		G. siamensis	G. smithii	G. stoliczkai	G. verreauxi
Max. SVL	131.9	165.1	155.0	161.0	161.3	116.0	127.1	173.0		150.0	191.0	128.8	155.0
SL	12–16	13	12–15	11–15	10–15	12–14	12–14	10–14		13–21	12–17	14–17	11–15
IL	11–16	11	10–11	9–14	9–13	10	10–11	9–13		10–12	10–14	12 or 13	9–11
Contact nostril-rostral	No	No	No	No	NA	No	No	No		No	No	No	Yes
InterCilS	28 or 29	NA	20–23	16–28	NA	24	24–28	17–29		28–34	31–43	NA	NA
MSR	80–86	NA	90–97	81–105	84–110	115or 116	89–91	82–103		121– 132	89–141	NA	NA
DTR	18	10	15	11–13	9–11	14	16–18	12–18		14–19	8–13	10–12	11
VentR	35–37	26	NA	30–34	22–28	30 or 31	30–34	28–32		33–37	29–39	21–25	NA
PrePo (males)	9–12	16	NA	12–16	6–13	17–22	11–13	13–20		10–13	7–17	13–15	11–13
Postcloacal tubercles	1 or 2	NA	2–3	1–3	2	1	1	1–4		2	1–4	3 or 4	1–2
SubDLT1	13–15	NA	17 or 18	14–19	14–19	12	13–16	13–19		13–15	16–20	NA	16–18
SubDLT4	18 or 19	NA	22–24	19–23	18–24	15	17–19	18–24		11–20	19–23	18–22	20–22
Iris color (live)	Greenish golden	Green	NA	Pale golden, copper, or brown to olive	Turquoise/ green	Brick red	Dark brown	Pale golden		Green	Green	Bluish	Golden
Y-shaped mark on head	No	Yes	Yes (usually discernible)	Yes (usually discernible)	Yes (usually discernible)	No	No	Yes		No	Yes	No	No
Dorsum background color (live)	Brown	NA	NA	Ultramarine gray to bluish- or brownish-gray	Yellowish brown	Grayish-brown to chestnut brown	Dark chocolate brown to black	Grayish-brown to grayish-green		Gray-brown to dark green	Yellow-green to dark greengray	Dull brown	Graybrown