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Lv. et al 2026 (2)

Description: Sineuchiloglanis (Tremeuchiloglanis) baishuiensis sp. nov. can be readily distinguished from congeners by the following characters: dorsal-fin rays i, 5 1 / 2; anal-fin rays i, 4 1 / 2; caudal-fin rays i, 7 + 8, i; gill opening extending to the base of fourth to fifth pectoral-fin elements; tip of maxillary barbel not reaching the lower corner of the gill opening; tip of nasal barbel not reaching anterior orbital margin; the ventral abdominal surface flattened. And it can be further distinguished from congener by the following characters: head length behind the eyes 35.4–39.4 % of HL; head depth 42–48.4 % of HL; maxillary barbel length 65.9–82.1 % of HL; pelvic insertion to adipose origin 17.3–22.3 % of SL; dorsal-fin insertion to adipose-fin origin length 15.5–25.5 % of SL; caudal-peduncle length 20.6–26.7 % of SL; head width 18.1–21.0 % of SL; post-adipose length 8.1–11.2 % of SL; pectoral-fin width 61.0–78.2 % of pectoral-fin length; pelvic-fin width 53.6–76.6 % of pelvic-fin length; caudal-peduncle depth 25.9–40.6 % of caudal-peduncle length (Lv. et al 2026). Colouration: In fresh species, body green-yellow on dorsal surface. On venter, from snout to the pelvic-fin insertion milky white, after pelvic-fin green-yellow. Around the anus pale yellow. Pectoral-fin and pelvic-fin with pale yellow distal margins, lateral green-yellow and medial pale yellow. Dorsal fin, adipose fin, and anal fin green-yellow with pale yellow distal margins. Caudal fin green-yellow with a small pale yellow patch and pale yellow distal margin. In alcohol-fixed specimens, body grey, ventral surface, and margins of fins milky white (Lv. et al 2026). Habitat: Inhabits rapids and riffles, with primarily rocky substrates (Lv. et al 2026). Aquarium Care: This species is sensitive to temperature and oxygen levels, so the water should be on the cool side and well-oxygenated, preferably with a moderate to strong current. Additional tank decor can be in the form of large driftwood and/or rocks. Etymology: The specific name baishuiensis: Derived from its type locality, Baishui River. Remarks: A new paper (2026) based on a revalidation of the Sineuchiloglanis genus but now placed in the Tremeuchiloglanis genera but can still be found on some online searches as Sineuchiloglanis baishuiensis.

None

Sineuchiloglanis baishuiensis

Sisoridae

Asia: Known only from the Baishui River in the Yangtze River drainage, in Zhenxiong County, Yunnan Province, China.

9.5cm. (3¾ins)

20-27°c (67-81°f.)

6.0-7.5.

Fish in the News 2026.
Lv H-M, He D-K, Lei C-Y, Liu F (2026) Two new species of glyptosternine catfish of the genus Sineuchiloglanis (Teleostei, Siluriformes, Sisoridae) from the upper Yangtze River drainage, China. ZooKeys 1268: 139–162.