Description of Gastrophryne elegans (Boulenger, 1882) tadpole from the rainforest of Los Tuxtlas, Veracruz, Mexico Author Jiménez-Arcos, Víctor H. Laboratorio de Herpetología Vivario, FES Iztacala, Universidad Nacional Autónoma de México, AP 314, CP 54090. Tlalnepantla, México. & Naturam Sequi AC, 16 de Septiembre 43, CP 53450. Naucalpan, México. Author Calzada-Arciniega, Rafael Alejandro Departamento de Zoología, Instituto de Biología, Universidad Nacional Autónoma de México, Apartado postal 70515, 04510 Cd. de México, México. Author Cortés-Ortiz, Bruno 0009-0006-2073-998X Laboratorio de Herpetología Vivario, FES Iztacala, Universidad Nacional Autónoma de México, AP 314, CP 54090. Tlalnepantla, México. Author Gómez-Hurtado, C. Marisol 0009-0001-2830-4052 Naturam Sequi AC, 16 de Septiembre 43, CP 53450. Naucalpan, México. Author Blair, Christopher Department of Biological Sciences, New York City College of Technology, The City University of New York, 285 Jay Street, Brooklyn, NY, 11201, USA. & Biology PhD Program, Graduate Center, 365 5 Ave., New York, NY, 10016, USA. text Zootaxa 2024 2024-01-03 5397 1 146 150 http://dx.doi.org/10.11646/zootaxa.5397.1.10 journal article 313208 10.11646/zootaxa.5397.1.10 a7cdd9f9-5758-441d-a4cb-188c9a49d91a 1175-5326 10468194

TABLE 1. Measured morphological characters (average ± SD; range in parentheses) by developmental stage in Gastrophryne elegans. NV indicates that the character was not visible.

Development Stage
aNostrils not visible in 4 individuals at Stage 35, 1 at 37, and 1 at 39.
	26 n = 1	30 n = 1	35 n = 5	36 n = 3	37 n = 3	38 n = 1	39 n = 4	40 n = 2
Body Length	7.84	8.75	9.47 ± 0.37 (8.43–10.46)	10.36 ± 0.08 (10.20–10.46)	10.04 ± 0.24 (9.77–10.52)	11.08	10.14 ± 0.25 (9.45–10.27)	10.27 ± 0.29 (9.97–10.56)
Internarial distance	NV	NV	1.09 a	1.48 ± 0.26 (0.96–1.77)	1.20 ± 0.28 a (0.92–1.48)	NV	1.07 ± 0.17 a (0.84–1.41)	0.91 ± 0.03 (0.87–0.94)
Interorbital distance	4.44	5.90	6.02 ± 0.13 (5.59–6.26)	6.65 ± 0.20 (6.25–6.91)	6.34 ± 0.07 (6.22–6.45)	7.97	6.35 ± 0.24 (5.88–7.03)	5.46± 0.06 (5.40–5.52)
Tail Length	10.73	8.20	15.33 ± 1.31 (10.23–17.44)	15.51 ± 1.23 (13.99–17.95)	15.99 ± 2.05 (12.50–19.59)	15.92	18.09 ± 1.44 (13.92–20.47)	19.73 ± 0.75 (18.98–20.48)
Maximum Tail Height	2.46	2.93	3.18 ± 0.09 (2.95–3.41)	3.59 ± 0.26 (3.12–4.03)	3.80 ± 0.27 (3.47–4.33)	4.60	3.89 ± 0.31 (3.17–4.69)	3.24 ± 0.57 (2.67–3.81)
Tail Muscle Height	2.10	2.55	2.27 ± 0.15 (1.89–2.65)	2.27 ± 0.18 (1.92–2.55)	2.25 ± 0.27 (1.88–2.77)	3.03	2.49 ± 0.15 (2.14–2.82)	3.21 ± 0.83 (2.37–4.04)
Tail Muscle Width	1.13	1.70	1.58 ± 0.11 (1.23–1.85)	1.46 ± 0.07 (1.35–1.59)	1.68 ± 0.13 (1.51–1.93)	2.30	1.85 ± 0.12 (1.62–2.12)	1.84 ± 0.19 (1.64–2.03)
Total Length	18.57	16.95	24.81 ± 1.49 (19.23–27.02)	25.70 ± 1.26 (23.95–28.15)	26.03 ± 2.69 (22.27–30.11)	27.00	28.23 ± 1.84 (23.37–30.65)	30.00 ± 0.45 (29.54–30.45)