identifier	taxonID	type	CVterm	format	language	title	description	additionalInformationURL	UsageTerms	rights	Owner	contributor	creator	bibliographicCitation
5E4AEB06FBF056039459B4A0EBC0C465.text	5E4AEB06FBF056039459B4A0EBC0C465.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Paranemachilus nonggangensis Mo & Zhou & Deng & Wang & Du & Nong 2026	<div><p>Paranemachilus nonggangensis sp. nov.</p><p>Type material.</p><p>Holotype • KIZ 2024010571, 70.4 mm SL, <a href="https://tb.plazi.org/GgServer/search?materialsCitation.longitude=106.9098&amp;materialsCitation.latitude=22.4325" title="Search Plazi for locations around (long 106.9098/lat 22.4325)">Administration Center of Guangxi Nonggang National Nature Reserve</a>, Chongzuo City situated within the Zuojiang River system in Guangxi Zhuang Autonomous Region, China, 22.4325 ° N, 106.9098 ° E, elevation 177 m, Z. - Q. Nong and J. - J. Zhou, collected in October 2024.</p><p>Paratypes • KIZ 2024010572–10573, 10626–10632, nine specimens, 65.9–94.1 mm SL, same data as holotype .</p><p>Molecular materials • GXNU - GJY 2405052601–4, same data as holotype .</p><p>Bone scan materials • GXNU - DLN 20240595, same data as holotype .</p><p>Diagnosis.</p><p>The new species is assigned to the genus Paranemachilus based on a phylogenetic analysis and morphological traits. Morphologically, P. nonggangensis sp. nov. can be distinguished from all other species of the genus Paranemachilus by the following combination characters: cheek scaled (vs scaleless in P. chongzuo, P. pingguoensis, and P. zhengbaoshani), 12 or 13 branched pectoral fin rays (vs 13 or 14 in P. jinxiensis, 10 in P. chongzuo), 6–10 supraorbital canal pores (&gt; 11 in P. genilepis, P. luegvetensis, and P. liui), outer gill raker present on first gill arch (vs absent in P. jinxiensis and P. genilepis), 3 + 11–15 infraorbital canal pores (vs &lt;10 in P. zhengbaoshani, P. chongzuo, and P. jinxiensis; 7 + 18–19 in P. luegvetensis).</p><p>Description.</p><p>The morphometric data for P. nonggangensis sp. nov. are provided in Table 2. Dorsal fins with three unbranched and eight branched rays; pectoral fin with one unbranched and 12 or 13 branched rays; pelvic fin with one unbranched and six branched rays; anal fin with two unbranched and five branched rays; caudal fin with two unbranched and 17 branched rays.</p><p>Body robust, slightly compressed, the deepest body depth at anterior dorsal-fin origin, 18.4–22.4 % of SL. Head slightly depressed, maximum head width slightly greater than its height. Anterior and posterior nostrils adjacent, base of anterior nostril tube-shaped, with tip elongated, barbel-like; barbel length shorter than half of tube depth. Eyes normal; eye diameter 10.5–21.1 % of lateral head length. Snout obtuse, mouth inferior, lips with shallow folds. Three pairs of barbels; inner rostral barbel and outer rostral reaching anterior and posterior margin of eye, respectively; maxillary barbel exceeding posterior margin of opercula.</p><p>Dorsal-fin origin is slightly anterior to pelvic-fin origin. Predorsal length 55.9–59.9 % of SL; pre-pelvic length 55.8–62.2 % of SL; pre-anal length 78.8–84.0 % of SL; pre-anus length 75.5–80.2 % of SL. Tip of pectoral fin reaching the midpoint between origin of pectoral fin and the origin of pelvic fin. Pelvic-fin origin located vertically below the base of the first branched dorsal fin ray. Tip of pelvic fin not reaching anus. Anus close to the anal fin origin. Caudal fin emarginated; caudal peduncle with adipose crests along both dorsal and ventral sides. Caudal peduncle length 69.3–94.3 % of its depth. Cephalic lateral line system well developed, with 3 + 11–15 infraorbital canal pores, 6–10 supraorbital canal pores, 4–6 supratemporal canal pores, 6–12 preoperculomandibular canal pores. Lateral line incomplete, with 18–22 pores, disappeared behind the vertical at the end of pectoral fin. One outer gill raker and 15–17 inner gill rakers on first gill arch (in three specimens) (Fig. 3 C). Vertebrae 3 + 36, postcleithrum presence (Fig. 2 A).</p><p>Stomach U-shaped, and intestine has a loop after stomach (Fig. 3 A). Two air-bladder chambers: anterior chamber enclosed in a bony capsule which is membranous posteriorly, and developed posterior chamber free in the abdominal cavity; anterior and posterior chambers connected by thin tubes (Fig. 3 B).</p><p>Colouration.</p><p>In live specimens, the body colour is pale golden yellow. Females have a row of brown maculae along the midline of the body, with a stripe composed of spots beneath these maculae. No obvious spots are present on other parts of the body and head (Fig. 4 D). The upper two-thirds of the male body is covered with brown maculae; cheek with two or three unclearly brownish spot, head dorsum has seven brownish sports (Fig. 4 H).</p><p>In formalin-preserved specimens, the body colour turns pale grey. Females exhibit an indistinct, light-brown stripe along the lateral line, with no obvious spots on other body parts (Fig. 4 A – C). Males have a distinct row of dark-brown stripes along the body midline, with other spots on the body sides indistinct. There are four dark-brown spots along the infraorbital pores on the head, two circular spots on the operculum, and seven or eight spots on the dorsal surface of the head. The body dorsum anterior to dorsal fin origin has 7–9 dark-brown spots, and the posterior to dorsal fin base has nine or 10 dark-brown spots (Fig. 4 E – G). Fins are hyaline.</p><p>Distribution and habitat.</p><p>Paranemachilus nonggangensis sp. nov. was collected from Administration Center of Guangxi Nonggang National Nature Reserve, Chongzuo City, which is situated within the Zuojiang river system in Guangxi Zhuang Autonomous Region, China (Fig. 5 A). This species mainly inhabits seasonal ponds formed during the rainy season or underground rivers. The ponds dry up completely in the dry season, prompting the species to move into underground karst caves. The substrate of its habitat consists of large rocks, with a water depth ranging from approximately 1–3 m. Hydrophilous plants grow in the surrounding area, and there is a considerable amount of dead branches and fallen leaves which float on the water surface (Fig. 5 B).</p><p>Etymology.</p><p>The specific epithet refers to Nonggang National Nature Reserve, the type locality. We suggest the Chinese common name “ 弄岗异条鳅 ” (NÒng Găng Yì Tiáo Qiū).</p></div>	https://treatment.plazi.org/id/5E4AEB06FBF056039459B4A0EBC0C465	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Mo, Cai-Huan;Zhou, Jia-Jun;Deng, Min-Jie;Wang, Zhuo-Cong;Du, Li-Na;Nong, Zheng-Quan	Mo, Cai-Huan, Zhou, Jia-Jun, Deng, Min-Jie, Wang, Zhuo-Cong, Du, Li-Na, Nong, Zheng-Quan (2026): A new loach species of the genus Paranemachilus (Cypriniformes, Nemacheilidae) from Guangxi, China. ZooKeys 1269: 55-66, DOI: 10.3897/zookeys.1269.173359
