Table 1.
Comparison of characters between the densely-scaled and non-densely-scaled groups of Homatula (Li, Che & Zhou, 2019).
Table 2.
Comparisons of characters among the species of the densely-scaled group of Homatula from the Nu-jiang (the upper Salween River), the Lancang-jiang (the upper Mekong River), and the upper Black River (a tributary of the Red River) in Yunnan Province, China.
Fig 1.
Left lateral and dorsal views of Homatula geminusclathratus.
Holotype SWFU 0309250, 131.8 mm SL; China: Yunnan Prov.: Pu’er City: Jingdong Co.: Wenjing Town.
Fig 2.
Ventral view of the mouth and shape of the lower jaw.
(A, C) Spoon shaped and lacking a median notch, H. geminuclathratus, Paratype SWFU 0309054, 113.4 mm SL; China: Yunnan Prov.: Pu’er City: Jingdong Co.: Wenjing Town. (B, D) Shallow V-shaped median notch on lower jaw, H. change. SWFU 0412001, 115.3 mm SL; China: Yunnan Prov.: Pu’er City: Jiangcheng Co.: Jima-he. (ul: upper lip; ll: lower lip; uj: upper jaw; lj: lower jaw).
Fig 3.
Ventral view of pelvic plate of Homatula from the upper Mekong River, China.
(A) H. geminusclathratus, holotype SWFU 0309250, 131.8 mm SL; China: Yunnan Prov.: Pu’er City: Jingdong Co.: Wenjing Town. (B) H. longibarbatus, holotype SWFU 0309082, 107.3 mm SL; China: Yunnan Prov.: Dali Pref.: Yangbi Co.: Pingpo Town. (C) H. microcephala, holotype SWFU 0612057, 90.2 mm SL; China: Yunnan Prov.: Dali Pref.: Yunlong Co.: Jiancao Town. (D) H. pycnolepis, SWFU 0612085, 99.6 mm SL; China: Yunnan Prov.: Dali Pref.: Yunlong Co.: Xiangtu Town. (FP: A muscular protrusion in body surface at the pelvic plate).
Fig 4.
Location of the adipose-crest anterior along dorsal midline of caudal peduncle in Homatula.
(A) Anteriorly reaching vertically through anal-fin origin; (B) Anteriorly not extending beyond vertical through the middle of the anal-fin base; (C) Anteriorly not reaching vertically through the posterior end of the anal-fin base. ACA: adipose crest anterior; CB: caudal-fin base; OA: origin of anal fin; PA: posterior of anal-fin base.
Table 3.
Morphometric data for three new species of Homatula from the Lancang-jiang, Yunnan Province, China.
Fig 5.
Distribution map of the densely-scaled group of Homatula.
A symbol may represent several adjacent localities.
Fig 6.
Left lateral and dorsal views of Homatula longibarbatus, holotype SWFU 0309082, 107.3 mm SL; China: Yunnan Prov.: Dali Pref.: Yangbi Co.: Pingpo Town.
Fig 7.
Left lateral and dorsal views of Homatula microcephala, holotype SWFU 0612057, 90.2 mm SL; China: Yunnan Prov.: Dali Pref.: Yunlong Co.: Jiancao Town.
Fig 8.
Bayesian phylogeny of Homatula inferred from Cyt b sequences.
Numbers show the posterior probability (PP) values.