Lepidotrigla omanensis Regan, 1905 Vernacular

Gomon, Martin F. & Psomadakis, Peter N., 2018, Review of the Lepidotrigla gurnards (Teleostei: Scorpaeniformes: Triglidae) in the Bay of Bengal and Andaman Sea off Myanmar with a description of a new species, Raffles Bulletin of Zoology 66, pp. 66-77 : 72

Lepidotrigla omanensis Regan, 1905 Vernacular : Oman Gurnard

( Figs 1B , 2C, D , 3C , 4 , Table 1)

Lepidotrigla omanensis Regan, 1905: 324 , pl. 2(B) (fig. 2) (new species); Norman, 1939: 96; Blegvad & Løppenthin, 1944: 194 (list, diagnosis, distribution); Richards & Saksena, 1977: 208 (diagnosis and distribution); Fischer & Bianchi, 1984: vol. V, unpaged (taxonomy, fisheries and distribution); Richards, 1992: 50 (nominal species, selected characters); Eschmeyer et al., 2017: accessed 4 Sep 2017 (catalogue of nominal species).

Diagnosis. Lateral profile of body with gradual convexly curved taper to caudal peduncle; distinctive postorbital notch above and behind each eye and occipital groove across top of head; rostral process with broad medial notch when viewed from above and moderately sized divergent blade-like spine at each corner; lateral line with 55–58 pored scales; 12 or 13 oblique scale rows below lateral line; first dorsal fin with 8 spines, second with 14 or 15 rays; anal fin with 14 or 15 rays; pectoral fins reaching fifth to seventh anal fin ray. Caudal fin mostly red with whitish base; inner surface of pectoral fin with narrow, oblique pale blue band separating black lower and black with dark olive tint upper sections, ventral margin broadly whitish tinged with pink.

Figures

Fig. 1. Myanmar species of Lepidotrigla. A, Lepidotrigla longipinnis, NMV A31696-001, 121 mm SL, Myanmar, off Ayeyarwady Delta, 14°22.28′N, 96°33.85′E, 111–104 m; B, Lepidotrigla omanensis, NMV A31691-001, 110 mm SL, Myanmar, off Ayeyarwady Delta, 14°14.73′N, 95°45.47′E, 149–164 m; C, Lepidotrigla psolokerkos new species, holotype, NMV A31698-001, 135 mm SL, Myanmar, off Ayeyarwady Delta, 14°1.96′N, 96°9.21′E, 147–156 m.

Fig. 2. Lateral and dorsal views of heads of Myanmar species of Lepidotrigla. Lepidotrigla longipinnis, A & B, NMV A31695-001, 111 mm SL, Myanmar, off Ayeyarwady Delta, 14°22.28′N, 96°33.85′E, 111–104 m; Lepidotrigla omanensis, C & D, NMV A31691-001, 110 mm SL, Myanmar, off Ayeyarwady Delta, 14°14.73′N, 95°45.47′E, 149–164 m; E & F, Lepidotrigla psolokerkos new species, holotype, NMV A31698-001, 132 mm SL, Myanmar, off Ayeyarwady Delta, 14°1.96′N, 96°9.21′E, 147–156 m. Photographs by T. Hicks.

Fig. 3. Inner surface of right pectoral fin (fins damaged during capture). Lepidotrigla longipinnis. A, NMV A31695-001, 111 mm SL, Myanmar, off Ayeyarwady Delta, 14°22.28′N, 96°33.85′E, 111–104 m; B, NMV A31694-001, 100 mm SL, Myanmar, off Ayeyarwady Delta, 14°14.94′N, 94°42.37′E, 105 m.Lepidotrigla omanensis. C, NMV A31688-001, 76.3 mm SL, Myanmar, off Rakhine coast, 17°6.54′N, 94°14.71′E, 77 m. Lepidotrigla psolokerkos new species. D, holotype, NMV A31698-001, 132 mm SL, Myanmar, off Ayeyarwady Delta, 14°1.96′N, 96°9.21′E, 147–156 m.

Fig. 4. Overall distributions of species of Lepidotrigla occurring in coastal waters of Myanmar based on specimens in collections: Lepidotrigla longipinnis (blue circles), Lepidotrigla omanensis (red squares) and Lepidotrigla psolokerkos new species (yellow triangles).