Pseudorhombus diplospilus Norman, 1927

Kodeeswaran, Paramasivam, Praveenraj, Jayasimhan, Jayakumar, Natarajan & Mishra, Subhrendu S., 2020, First report of Pseudorhombus diplospilus (Pleuronectiformes: Paralichthyidae) from East Coast of India, Records of the Zoological Survey of India 120 (1), pp. 85-88 : 86-87

Pseudorhombus diplospilus Norman, 1927

1927. Pseudorhombus diplospilus Norman , Biological Results Endeavour, 5 (5): 226, Figure 1 (type locality: 3-7 miles northwest of Hervey bay , Queensland, Australia, depth 9-11 fathoms) .

Material examined ( Figure 1 ): TNJFU-MF-01, 1 ex.,

133.2 mm SL, Royapuram fishing harbour, Chennai, Tamil Nadu coast, India (13°07'24.49"N; 80°17'52.20"E), Kodeeswaran. P., 22.07.2018 .

Diagnostic characters: Body elliptical, its depth 2.8 times in SL; upper profile of head notched in front of upper eye; maxilla extends to below posterior border of lower eye; pelvic-fin base of both blind and eyed sides almost equal; the line joining first-dorsal-fin ray and posterior nostril crosses at middle of maxilla. Dorsal-fin rays 79, anal-fin rays 63, pelvic-fin rays 5, pectoral-fin rays 11 on eyed side, caudal-fin rays 18, strong canines anteriorly on both jaws; dentary with 22 teeth, premaxilla with 42, lateral-line scales 84, circum peduncular scales

14. Dorsal and anal fin not connected with caudal fin; lower jaw with a distinct symphysial knob. Ctenoid scales on ocular side and cycloid scales on blind side. Gill rakers palmate as long as broad as upper limb with 5 rakers and lower limb with 8 rakers.

Colour in fresh: Overall body colour is brownish. Four double nucleated ocelli located on ocular side, a pair of each above and below lateral line. Each ocellus is a hollow circle with two black spots placed closely to each other and bordered with chrome-yellow colour. All fin rays possess diminished black hollow circles and spots.

Figures

Figure 1. Pseudorhombus diplospilus Norman, 1927, TNJFU-MF-01, 1 ex., 133.2 mm SL, Royapuram fishing harbour, Chennai, Tamil Nadu coast, India.