Revision of the Grenadier Genus Coelorinchus (Teleostei: Macrouridae) from the Mascarene Ridge, Western Indian Ocean, with Description of Two New Species Author Prokofiev, Artem M. A. N. Severtsov Institute of Ecology and Evolution, Russian Academy of Sciences, Leninskii prospect 33, Moscow 119071, Russia; Email: prokartster @ gmail. com; & P. P. Shirshov Institute of Oceanology, Russian Academy of Sciences, Nakhimovsky prospect 36, Moscow 117218, Russia; Author Iwamoto, Tomio Section of Ichthyology, Institute of Biodiversity Science and Sustainability, California Academy of Sciences, text Proceedings of the California Academy of Sciences 2020 2020-03-31 66 9 231 273 journal article 295392 10.5281/zenodo.11105838 ea89bbc9-934a-4ca6-b64b-1c1a146cb2f5 0068-547X 11105838

TABLE 2 (continued). Measurements of the species of Coelorinchus from the Mascarene Ridge.

			C. mascarenus	C. paraboliceps	C. yurii
Character	C. amirantensis		n = 9	holotype	IOM M.003–17
			[holotype in brackets]
Width of medial element of terminal snout scute	3.7	3.1–3.7 (3.3)*	2.4–3.6 (3.0) [3.6]	3.3	2.2
Length of posterior nostril	8.5	7.9–9.5 (8.6)*	8.2–10.8 (9.3) [8.8]	10	7.7
Barbel length	6.6	3.7–7.0 (5.7)**	7.1–8.9 (8.0) [8.2]	7.5	10.9
Length of lateral nasal ridge	26.8	33.3–35.4 (34.6)*	27.1–29.2 (28.3) [27.5]	25	25.6
Length of medial nasal ridge	47.6	47.1–51.3 (49.7)*	38.8–43.5 (41.4) [40.7]	41.7	38.5
Length of suborbital ridge	97.6	93.7–98.8 (95.7)*	88.2–93.1 (91.0) [90.1]	91.7	86.5
Length of occipital ridge	36.6	31.7–37.3 (34.5)*	32.9–39.7 (37.2) [37.4]	39.2	38.5
Snout width	31.7	25.9–28.8 (27.7)*	23.5–27.1 (26.2) [25.5]	31.3	25.6
Internasal width	19.5	16.7–19.6 (18.1)**	16.7–19.4 (18.5) [18.7]	20.8	19.2
Interorbital width	22	19.9–23.2 (21.7)**	17.7–22.2 (21.0) [21.4]	25.8	23.7
Occipital width	13.4	11.2–12.7 (12.1)*	11.8–14.4 (13.1) [13.2]	14.2	12.8
Greatest head width (at preopercles)	43.9	32.9–42.5 (36.0)*	40.0–49.5 (45.0) [49.5]	45.8	44.9
Greatest body width (at pectoral-fin bases)	34.2	27.1–33.8 (29.9)*	34.1–41.8 (38.4) [41.8]	35.8	38.5
Body depth at 1st dorsal-fin origin	39	34.3–47.1 (39.5)***	43.5–50.7 (47.5) [48.4]	45.8	44.9
Body depth at anal-fin origin	30.5	25.0–39.5 (31.3)*	34.7–43.7 (39.6) [42.9]	39.2	35.3
First predorsal length	102.4	100.0–104.8 (101.8)*	101.1–110.5 (106.6) [105.5]	104.2	109
Second predorsal length	128.3	120.0–132.5 (127.1)*	136.6–149.3 (144.5) [140.1]	136.7	147.4
Preanal length	129.3	121.2–148.4 (134.8)**	136.6–152.1 (144.2) [145.1]	140	147.4
Prepectoral length	100	100.0–101.6 (100.8)*	98.9–106.9 (102.0) [101.1]	100	101.3
Prepelvic length	100	100.0–104.0 (102.2)*	103.5–112.1 (108.4) [112.1]	105	101.3