taxonID	type	description	language	source
41C6A332A16F5415B1C20AC6FCFF6005.taxon	description	Figs 5, 6; Tables 5, 6	en	Su, Yo, Ho, Hsuan-Ching (2025): A new species of the bandfish genus Owstonia Tanaka, 1908 (Perciformes, Cepolidae) from Taiwan, northwestern Pacific Ocean, with new records and comments on morphological characters of congeners. ZooKeys 1262: 61-80, DOI: 10.3897/zookeys.1262.167436
41C6A332A16F5415B1C20AC6FCFF6005.taxon	description	Description of Taiwanese specimens. Meristic and morphometric data are provided in Tables 5, 6. Dorsal-fin rays III, 20 – 21; pectoral-fin rays 22 / 22 – 23; pelvic-fin rays I, 5 / I, 5; anal-fin rays I, 13; principal caudal-fin rays 8 + 7, uppermost and lowermost rays unbranched; procurrent caudal-fin rays 3 on both upper and lower lobes. Gill rakers on outer face of first gill arch 12 – 13 + 24 = 36 – 37 (total); pseudobranchial filaments 25 – 26. Oblique body scale rows 46 – ca 57 / 47 – ca 50; cheek scale rows 7 – 9 / 9. Vertebrae 11 + 17 = 28; anal-fin pterygiophores anterior to 1 st haemal spine 2. Spines on preopercle 0 / 0. Premaxillary teeth 19 – 25 / 21; inner premaxillary teeth 0 / 0; lateral dentary teeth 9 – 13 / 10 – 14; symphyseal teeth 4 – 6 / 4 – 5; inner symphyseal teeth 1 / 1. Body slender, depth at anal-fin origin 3.8 – 4.0 in SL; both dorsal and ventral profiles of body straight, slightly tapering to caudal fin. Head large, length 2.7 – 2.8 in SL; anterior profile of head rounded, gently curved to dorsal-fin origin. Eyes large, eye diameter 2.1 – 2.2 in HL. Two nostrils, with anterior one forming tube and short flap; posterior one oval, without flap, situated immediately in front of eye. Preoprecle and opercle covered by skin; posterior margin of preopercle smooth Mouth lower in position, slightly oblique. Jaws terminated, with lower jaw slightly protruding before upper jaw. Upper-jaw length 1.6 – 1.7 in HL, its end reaching to vertical through middle of eye; posterodorsal tip of ascending premaxillary processes with two or three pairs of small papillae. Supramaxilla absent. Premaxilla with single row of canine teeth; teeth gradually smaller posteriorly; teeth slightly recurved and pointed or blunt. Dentary with single row of canine teeth; those on symphyseal slightly larger than others; some lateral teeth slightly enlarged anteriorly; teeth slightly recurved and pointed or blunt. Vomer and palatine without teeth. Body scales cycloid and deciduous. Scales absent on isthmus, gular, both jaws, and interorbital space. Lateral line type 1; its origin from posttemporal and along dorsal-fin base; not extending beyond dorsal-fin origin. Lateral line terminates below 11 th total dorsal-fin ray (n = 1). Dorsal fin with long base, originated at vertical through upper end of gill slit; its distal nearly straight, with slight elevation on soft rays; no distinct notch between spines and soft rays. Pectoral-fin tip rounded; its length 1.4 – 1.5 in HL; its origin at same horizontal through lower margin of eye; its tip reaching to anal-fin origin. Pelvic fin elongated, its length 1.4 – 1.5 in HL; its origin below 3 rd dorsal-fin spine; its tip reaching to anus when adpressed. Anal-fin base moderately long, its posterior end slightly anterior to that of dorsal fin; its origin below 12 th total dorsal-fin ray; fin rays gradually longer posteriorly; its distal margin nearly straight. Caudal fin rounded, slightly pointed; its length 0.8 in HL (n = 1). Caudal peduncle broad, length and depth 2.1 – 2.2 and 3.6 – 3.9 in HL, respectively.	en	Su, Yo, Ho, Hsuan-Ching (2025): A new species of the bandfish genus Owstonia Tanaka, 1908 (Perciformes, Cepolidae) from Taiwan, northwestern Pacific Ocean, with new records and comments on morphological characters of congeners. ZooKeys 1262: 61-80, DOI: 10.3897/zookeys.1262.167436
6BE000F93148500191B3C1B006C6F108.taxon	description	Figs 2, 3, 4; Tables 3, 4 English name: Spear-finned Bandfish New Chinese name: 矛鰭歐氏鰧	en	Su, Yo, Ho, Hsuan-Ching (2025): A new species of the bandfish genus Owstonia Tanaka, 1908 (Perciformes, Cepolidae) from Taiwan, northwestern Pacific Ocean, with new records and comments on morphological characters of congeners. ZooKeys 1262: 61-80, DOI: 10.3897/zookeys.1262.167436
6BE000F93148500191B3C1B006C6F108.taxon	description	Description of Taiwanese specimens. Meristic and morphometric data are provided in Tables 3, 4. Dorsal-fin rays III, 21 (one specimen with 20); pectoral-fin rays 20 – 22 / 20 – 22; pelvic-fin rays I, 5 / I, 5; anal-fin rays I, 14; principal caudal-fin rays 8 + 7, uppermost and lowermost rays unbranched; procurrent caudal-fin rays 3 – 4 and 3 – 5 on upper and lower lobes, respectively. Gill rakers on outer face of first gill arch 15 – 17 + 28 – 31 = 43 – 48 (total); pseudobranchial filaments 24 – 43. Oblique body scale rows 39 – 56 / 39 – 59; cheek scale rows 4 – 6 / 4 – 6. Vertebrae 11 + 17 = 28 (n = 15); anal-fin pterygiophores anterior to 1 st haemal spine 2 (n = 15). Spines on preopercle 11 – 19 / 7 – 16. Premaxillary teeth 14 – 24 / 13 – 25; inner premaxillary teeth 0 – 1 / 0 – 1; lateral dentary teeth 12 – 19 / 12 – 18; symphyseal teeth 3 – 5 / 3 – 5; inner symphyseal teeth 0 – 6 / 0 – 6. Body stout, depth at anal-fin origin 3.5 – 3.9 in SL; both dorsal and ventral profiles of body straight, slightly tapering to caudal fin. Head large, length 2.9 – 3.7 in SL; anterior profile of head rounded, gently curved to dorsal-fin origin. Eyes large, eye diameter 1.9 – 2.8 in HL. Two nostrils, with anterior one forming tube and short flap; posterior one oval, without flap, situated immediately in front of eye. Preoprecle and opercle covered by skin; posterior margin of preopercle with enlarged spines, those on vertical portions forming serrations. Mouth lower in position, slightly oblique. Jaws terminal, with lower jaw slightly protruding before upper jaw. Upper-jaw length 1.6 – 1.9 in HL, its end reaching vertical through middle of eye to slightly anterior to vertical through posterior margin of eye; posterodorsal tip of ascending premaxillary processes with four larger papillae associated with smaller ones. Supramaxilla absent. Premaxilla with single row of canine teeth; teeth gradually smaller posteriorly; teeth slightly recurved and pointed or blunt. Dentary with single row of canine teeth; those on symphyseal slightly larger than others; some anterior lateral teeth slightly enlarged or not; teeth slightly recurved and pointed or blunt. Vomer and palatine without teeth. Body scales cycloid and deciduous. Scales absent on isthmus, gular, both jaws, and interorbital space. Lateral line type 3; its anterior end forming complete loop. Lateral line terminates below 18 th – 24 th / 19 th – 24 th total dorsal-fin ray. Dorsal fin with long base, originating at vertical through upper end of gill slit; its distal nearly straight, with slight elevation on soft rays; no distinct notch between spines and soft rays. Pectoral-fin tip rounded; its length 1.2 – 1.5 in HL; its origin slightly above horizontal through lower margin of eye; its posterior end variable, reaching from anterior to vertical through anal-fin origin to reaching beyond vertical through anal-fin origin. Pelvic fin elongated, length 0.9 – 1.4 in HL; its origin below third dorsal-fin spine; its tip also variable reaching from anus to 4 th total anal-fin ray when adpressed (correlated with specimen size). Anal-fin base moderately long, its posterior end slightly anterior to that of dorsal fin; its origin below 11 th or 12 th total dorsal-fin ray; fin rays gradually longer posteriorly; its distal margin nearly straight. Caudal fin pointed; its length 0.5 – 0.8 in HL. Caudal peduncle broad, depth 2.4 – 3.4 in HL and length 1.5 – 2.3 in HL.	en	Su, Yo, Ho, Hsuan-Ching (2025): A new species of the bandfish genus Owstonia Tanaka, 1908 (Perciformes, Cepolidae) from Taiwan, northwestern Pacific Ocean, with new records and comments on morphological characters of congeners. ZooKeys 1262: 61-80, DOI: 10.3897/zookeys.1262.167436
6BE000F93148500191B3C1B006C6F108.taxon	distribution	Distribution. Previously known only from the type series collected from northern Mindanao Island, Philippines at depth 320 m. Our specimens represent the northernmost record of this species. This species appears to be rather commonly collected by bottom trawl in southern Taiwan. The estimated depth of catch is about 200 – 400 m.	en	Su, Yo, Ho, Hsuan-Ching (2025): A new species of the bandfish genus Owstonia Tanaka, 1908 (Perciformes, Cepolidae) from Taiwan, northwestern Pacific Ocean, with new records and comments on morphological characters of congeners. ZooKeys 1262: 61-80, DOI: 10.3897/zookeys.1262.167436
8C6C0704F2DE57E492F18BEDDAD233BD.taxon	description	Fig. 1; Tables 1, 2 New English name: Smith-Vaniz’s Bandfish New Chinese name. 史密氏歐氏鰧	en	Su, Yo, Ho, Hsuan-Ching (2025): A new species of the bandfish genus Owstonia Tanaka, 1908 (Perciformes, Cepolidae) from Taiwan, northwestern Pacific Ocean, with new records and comments on morphological characters of congeners. ZooKeys 1262: 61-80, DOI: 10.3897/zookeys.1262.167436
8C6C0704F2DE57E492F18BEDDAD233BD.taxon	diagnosis	Diagnosis. A new species of Owstonia differing from its congeners in having the following combination of characters: lateral-line of type 3, extending beyond dorsal-fin origin but not forming loop, and no contact with posttemporal; dorsal-fin rays III, 21; anal-fin rays I, 14; gill rakers on outer face of first arch 15 – 16 + 29 – 31 = 45 – 46; oblique body scale rows 49 – 50; cheek scale rows ca 4 – 6; vertebrae 11 + 17 = 28; anal-fin pterygiophores anterior to 1 st haemal spine 2; preopercular spines 12 – 14; head length 27.6 – 28.3 % SL; dorsal-fin base length 60.4 – 62.4 % SL; anal-fin base length 30.7 – 31.9 % SL; eye diameter 11.3 – 12.9 % SL; premaxillary stripe present; and distal part of dorsal fin with very faint strip between third spine and second soft ray or entirely pale.	en	Su, Yo, Ho, Hsuan-Ching (2025): A new species of the bandfish genus Owstonia Tanaka, 1908 (Perciformes, Cepolidae) from Taiwan, northwestern Pacific Ocean, with new records and comments on morphological characters of congeners. ZooKeys 1262: 61-80, DOI: 10.3897/zookeys.1262.167436
8C6C0704F2DE57E492F18BEDDAD233BD.taxon	description	Description. Meristic and morphometric data are provided in Tables 1, 2. Data of holotype are provided first, with those of paratype in parentheses whenever different. Dorsal-fin rays III, 21; pectoral-fin rays 21 / 21; pelvic-fin rays I, 5 / I, 5; anal-fin rays I, 14; principal caudal-fin rays 8 + 7, uppermost and lowermost rays unbranched; procurrent caudal-fin rays 4 and 3 on upper and lower lobes, respectively. Gill rakers on outer face of first gill arch 16 + 29 = 45 (15 + 31 = 46); pseudobranchial filaments 31. Oblique body scale rows 50 / 49; cheek scale rows ca 4 (right side) / ca 6. Vertebrae 11 + 17 = 28; anal-fin pterygiophores anterior to 1 st haemal spine 2. Spines on preopercle 14 / 12 (12 / 13). Premaxillary teeth 19 / 20 (15 / 16); inner premaxillary teeth 1 / 1; lateral dentary teeth 14 / 14 (14 / 13); symphyseal teeth 4 / 4 (5 / 4); inner symphyseal teeth 1 / 2 (1 / 1). Body slender, depth at anal-fin origin 3.5 (3.7 mm) in SL; both dorsal and ventral profiles of body straight, slightly tapering to caudal fin. Head large, length 3.5 (3.6) in SL; anterior profile of head rounded, gently curved to dorsal-fin origin. Eyes large, eye diameter 2.5 (2.1) in HL. Two nostrils, with anterior one forming tube and short flap; posterior one oval, without flap, situated immediately in front of eye. Preoprecle and opercle covered by skin; posterior margin of preopercle with weak serration. Mouth lower in position, slightly oblique. Jaws terminated, with lower jaw slightly protruding before upper jaw. Upper-jaw length 1.8 (1.7) in HL, its end reaching to vertical through middle of eye; posterodorsal tip of ascending premaxillary processes with three pairs of papillae, with middle pair larger than rest (holotype), or with four larger papillae associated with smaller ones (paratype). Supramaxilla absent. Premaxilla with single row of canine teeth; teeth gradually smaller posteriorly; teeth slightly recurved and pointed or blunt. Dentary with single row of canine teeth; those on symphyseal slightly larger than others; some lateral teeth slightly enlarged anteriorly; teeth slightly recurved and pointed or blunt. Vomer and palatine without teeth. Body scales cycloid and deciduous. Scales absent on isthmus, gular, both jaws, and interorbital space. Lateral line of type 3 (sensu Smith-Vaniz and Johnson 2016); its anterior end not forming complete loop; several scales originate from posttemporal but not connected with main branch. Lateral-line terminus below 24 th / 23 th (24 th / 24 th) total dorsal-fin ray. Dorsal fin with long base, originated at vertical through upper end of gill slit; its distal margin nearly straight, with slight elevation on soft rays; no distinct notch between spines and soft rays. Pectoral-fin tip rounded; its length 1.4 (1.2) in HL; its origin at same horizontal through lower margin of eye; its tip reaching to vertical through anal-fin origin. Pelvic fin elongated, its length 0.9 (1.1) in HL; its origin below 3 rd dorsal-fin spine; its tip reaching to 3 rd total anal-fin ray (holotype) or anus (paratype) when adpressed. Anal-fin base moderately long, its posterior end slightly anterior to that of dorsal fin; its origin below 9 th dorsal-fin soft ray; fin rays gradually longer posteriorly; its distal margin nearly straight. Caudal fin pointed; its length 0.5 (0.6) in HL. Caudal peduncle broad, its length and depth 1.8 and 2.4 (2.6) in HL, respectively.	en	Su, Yo, Ho, Hsuan-Ching (2025): A new species of the bandfish genus Owstonia Tanaka, 1908 (Perciformes, Cepolidae) from Taiwan, northwestern Pacific Ocean, with new records and comments on morphological characters of congeners. ZooKeys 1262: 61-80, DOI: 10.3897/zookeys.1262.167436
8C6C0704F2DE57E492F18BEDDAD233BD.taxon	etymology	Etymology. We are pleased to name this species after the late Dr William (Bill) F. Smith-Vaniz for his great contribution to our knowledge of cepolids and for his generous assistance in our previous paper.	en	Su, Yo, Ho, Hsuan-Ching (2025): A new species of the bandfish genus Owstonia Tanaka, 1908 (Perciformes, Cepolidae) from Taiwan, northwestern Pacific Ocean, with new records and comments on morphological characters of congeners. ZooKeys 1262: 61-80, DOI: 10.3897/zookeys.1262.167436
