Lepidotrigla psolokerkos, Gomon & Psomadakis, 2018

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 : 74-75

Lepidotrigla psolokerkos new species Proposed vernacular: Skinny Gurnard

( Figs 1C , 2E, F , 3D , 4 , Table 1)

Holotype. NMV A31698 -001 (128 mm SL) Myanmar, off Ayeyarwady Delta , 14°1.96′N, 96°9.21′E, 147–156 m, R / V DR. FRIDTJOF NANSEN, stn 99, bottom trawl, 15 May 2015, collected by P.N. Psomadakis. Paratype: NMV A31699 -001 (142 mm SL) Myanmar, off Tanintharyi coast, 12°21.60′N, 96°51.47′E, 252–257 m , R / V DR. FRIDTJOF NANSEN, stn 136, bottom trawl, 23 May 2015, collected by P.N. Psomadakis.

Diagnosis. Lateral profile of body with straight taper to slender caudal peduncle; distinctive postorbital notch above and behind each eye but not extending across top of head as occipital groove; rostral process with broad medial notch edged with small spines becoming progressively longer to corner on each side when viewed from above; lateral line with 61 or 62 pored scales; about 15 or 16 scales below lateral line; first dorsal fin with 9 spines, second with 16 rays; anal fin with 15–17 rays; pectoral fins reaching about fourth anal fin ray. Upper two-thirds of caudal fin broadly grey distally, red below; inner surface of pectoral fin mostly black with red margin basally, ventrally and along narrow outer edge.

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).