Redescription of the poorly known Japanese scorpionfish Scorpaena brevispina (Perciformes: Scorpaenidae) Author Matsumoto, Tatsuya The Kagoshima University Museum, 1 - 21 - 30 Korimoto, Kagoshima 890 - 0065, Japan Author Motomura, Hiroyuki 0000-0002-7448-2482 The Kagoshima University Museum, 1 - 21 - 30 Korimoto, Kagoshima 890 - 0065, Japan motomura@kaum.kagoshima-u.ac.jp text Zootaxa 2025 2025-05-12 5633 2 375 383 https://doi.org/10.11646/zootaxa.5633.2.9 journal article 309869 10.11646/zootaxa.5633.2.9 63a73157-b6cb-4674-bb9b-9e3972936974 1175-5326 15435444 5E5C3D02-769A-421D-97AA-193B5FCCD852

TABLE 1. Counts and measurements (expressed as percentages of standard length) of specimens of Scorpaena brevispina.

	This study	Motomura & Senou (2008)
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a at vertical midline of eye, b at posterior end of preocular spine base
	n = 14	holotype
Standard length (SL; mm)	56.0–97.7	116.1
Counts
Dorsal-fin rays	XII, 9	XII, 9
Pectoral-fin rays	17	17
Scale rows in longitudinal series	44–46	44
Pored lateral-line scales	23	23
Scale rows above lateral line	5–7	5
Scale rows below lateral line	11–14	13
Scale rows between 6th dorsal-fin spine base and lateral line	6 or 7	6
Scale rows between last dorsal-fin spine base and lateral line	5–7	6
Pre-dorsal-fin scale rows	3–5	4
Upper gill rakers	5	5
Lower gill rakers (ceratohyal + hypobranchial)	12 or 13 (8–10 + 3–5)	12 (9 + 3)
Total gill rakers	17 or 18	17
Measurements (as % of SL)
Body depth	34.9–41.1	42.0
Body width	20.0–24.1	25.4
Head length	45.0–50.5	47.1
Head width	15.9–17.4	16.8
Snout length	11.4–13.7	12.8
Orbit diameter	13.8–17.1	12.6
Interorbital widtha	5.6–7.3	6.5
Interorbital widthb	4.5–6.8	6.4
Upper-jaw length	21.5–24.3	24.6
Maxillary depth	6.4–7.8	6.9
Between tips of opercular spines	7.4–9.5	7.9
Postorbital length	21.4–23.2	22.7
Occipital pit length	3.7–5.3	3.5
Occipital pit width	5.5–7.0	6.5
Postoccipital pit length	6.5–10.3	9.0
Pre-dorsal-fin length	36.4–43.2	37.2
Pre-anal-fin length	68.2–72.5	71.5
Pre-pelvic-fin length	41.1–47.8	46.2
1st dorsal-fin spine length	7.5–10.7	8.7
2nd dorsal-fin spine length	12.2–15.2	12.2
3rd dorsal-fin spine length	15.9–20.3	14.6
4th dorsal-fin spine length	16.0–20.1	15.5
5th dorsal-fin spine length	16.1–20.2	15.8
6th dorsal-fin spine length	16.0–20.1	15.1
7th dorsal-fin spine length	15.8–18.7	15.7
8th dorsal-fin spine length	14.7–16.9	14.8
9th dorsal-fin spine length	11.9–15.0	12.5
10th dorsal-fin spine length	9.5–11.2	10.3
	n = 14	holotype
11th dorsal-fin spine length	7.6–10.0	7.8
12th dorsal-fin spine length	13.5–15.5	13.0
Longest dorsal-fin soft ray length (2nd or 3rd ray)	19.3–20.5	19.2
1st anal-fin spine length	7.0–11.5	8.5
2nd anal-fin spine length	17.9–22.4	16.8
3rd anal-fin spine length	14.2–17.4	15.4
Longest anal-fin soft ray length (1st or 2nd ray)	18.4–23.3	21.5
Pectoral-fin length	27.3–32.9	33.3
Pelvic-fin spine length	14.4–17.9	15.1
Longest pelvic-fin soft ray length (2nd ray)	21.1–25.1	24.8
Caudal-fin length	28.4–30.9	29.6
Caudal-peduncle length	14.0–19.0	18.1
Caudal-peduncle depth	8.7–10.4	10.3