Sillago persica sp. nov., a new sillaginid (Perciformes, Sillaginidae) from the Persian Gulf Author Barani, Hashem Khandan 0000-0003-4913-5750 Department of Aquatic sciences, Hamoun International Wetland Institute, Research Institute of Zabol, Zabol, Iran & Department of Marine Biology, Faculty of Natural Resources and Marine Silences, Tarbiat Modares University, Nur, Iran Author Alavi-Yeganeh, Mohammad Sadegh 0000-0002-6246-9504 Department of Marine Biology, Faculty of Natural Resources and Marine Silences, Tarbiat Modares University, Nur, Iran Author Ghanbarifardi, Mehdi 0000-0002-1825-2551 Department of Biology, Faculty of Science, University of Sistan and Baluchestan, Zahedan, Iran text ZooKeys 2025 2025-10-09 1255 63 76 journal article 312559 10.3897/zookeys.1255.162247 cb1eebed-c1d5-49bf-9df5-61030919e6b8 DF86BF9A-A7F9-4C4E-BF36-07831E80D136

Table 1. Morphometric measurements and counts of Sillago persica.

Meristic and Morphometric Measurements (mm)	Sillago persica
	Holotype	Paratypes (n = 40)
Total weight (g)	30.81	11.63–31.94
Total length	165	114–175
Standard length	145	101–154
Head length	41	29–43
Snout length	18	11–19
Eye diameter	7	6–8
Interorbital width	8	5–8
Postorbital length	19	11–20
Body depth	23	17–24
Body width	18	14–20
Length of caudal peduncle	8.5	8–9
Depth of caudal peduncle	9	6–10
Base of the 1 st dorsal-fin	28	21–30
Base of the 2 nd dorsal-fin	47	37–49
Base of the anal-fin	50	39–54
Pectoral-fin length	22	15–23
Pelvic-fin length	18	14–19
Vertebrae	32	32–34
Dorsal-fin rays	XI, I + 21	XI, I + (21–22)
Pectoral-fin rays	16	15–16
Pelvic-fin rays	I + 5	I + (5–6)
Anal-fin rays	II + 23	II + (23–24)
Caudal-fin rays	16	16 (16–18)
Gill rakers on first arch	3 + 8	(3) + (7–8)
Lateral line scales	71	65–76
Scales above / below lateral line	4 / 9	(4–5) / (9–10)
As % of SL
Body depth	15.8	14.92–16.83
Head length	28.7	26.35–28.71
As % of HL
Eye diameter	17.07	15.38–21.95
Interorbital width	19.5	17.24–20.59
Snout length	43.9	37.93–44.19
Postorbital length (PL)	46.3	37.93–50.12