Two new species of the genus Ophichthus from the western central Pacific Ocean with a redescription of Ophichthus megalops Asano, 1987 (Anguilliformes Ophichthidae) Author Hibino, Yusuke Author Chiu, Yung-Chieh Author Chen, Hong-Ming Author Shao, Kwang-Tsao text Zootaxa 2019 2019-12-04 4702 1 140 154 journal article 24735 10.11646/zootaxa.4702.1.17 59eaf65b-cdfb-4cdb-899d-c134b38a5ca6 1175-5326 3562759 C03724E1-90FC-4FDC-B378-94D7B91617F7

TABLE 1. Measurements (%) and counts of Ophichthus megalops, O. semilunatus sp. nov. and O. brevidorsalis sp. nov.

	Ophichthus megalops			O. semilunatus sp. nov.	O. brevidorsalis sp. nov.
	Holotype	Non-type specimens (n=18)		Holotype	Holotype
TL (mm)	326	288–500		500	398
		Mean	Range
HL/TL	11.0	10.6	10.1–11.5	9.4	9.5
Preanal length/TL	44.2	44.2	42.6–45.5	42.4	40.2
Tail length/TL	55.5	55.8	54.5–57.4	57.5	59.8
Predorsal length/TL	24.6	24.8	22.4–28.5	20.7	30.4
Body depth at gill opening/ TL	4.0	3.8	3.3–4.5	3.3	4.3
Body width at gill opening/ TL	3.9	3.0	2.6–3.6	2.7	3.4
Body depth at mid-anus/TL	3.7	3.2	2.7–3.8	2.6	2.5
Body width at mid-anus/TL	3.7	2.9	2.7–3.2	2.7	2.7
Snout length/HL	21.1	21.2	19.6–22.9	13.0	14.0
Eye diameter/HL	20.3	20.4	14.0–22.8	21.4	27.7
Mouth gape length/HL	46.8	46.7	42.9–49.8	42.1	45.1
Lower-jaw length/HL	41.0	44.4	39.6–48.2	-	41.6
Gill opening length/HL	9.0	18.7	11.7–24.9	19.0	19.4
Interorbital width/HL Pectoral-fin length/HL Counts	18.1 30.7	18.7 33.6	16.7–21.3 30.0–38.0	17.7 30.8	16.9 35.2
SO	1+4	1+4	-	1+3	1+3
IO	3+3	3+3	-	3+3	3+3
POM	6+3	6+3	-	6 or 7+2	6+2
ST	3	3	-	3	3
Lateral-line pores before gill opening	10	9	8–10	8	7
Lateral-line pores before dorsal-fin origin	32	32	28–35	30	48
Lateral-line pores before anus	61	62.1	59–64	65	65
Total lateral-line pores	141	142.4	137–146	158	148
Predorsal vertebrae	29	30.6	28–35	29	43
Preanal vertebrae	60	60.8	59–63	64	61
Total vertebrae	160	164.3	162–168	176	164