Pomadasys guoraca (Cuvier, 1829)

Habib, Kazi Ahsan, Islam, Md Jayedul, Nahar, Najmun, Rashed, Mohammad, Neogi, Amit Kumer & Russell, Barry, 2021, Grunts (Actinopterygii: Perciformes: Haemulidae) of Bangladesh with two new distributional records from the northern Bay of Bengal assessed by morphometric characters and DNA barcoding, Acta Ichthyologica et Piscatoria 51 (3), pp. 299-309 : 299

Pomadasys guoraca (Cuvier, 1829)

Local common name: rupali datina (Bangla) Fig. 3b

Material examined.

Bangladesh • 3 specimens; F1709SM-08 (156 mm SL), Cox's Bazar , Bay of Bengal, Saint Martin’s Island, 20°36'39.6"N, 92°19'37.2"E, 29 September 2017, Amit Kumer Neogi, GenBank: MK340689 ; F1709SM-09 (148 mm SL), Cox's Bazar , Bay of Bengal, Saint Martin’s Island, 20°36'39.6"N, 92°19'37.2"E, 29 September 2017, Amit Kumer Neogi, GenBank: MK340690 ; F1710SM-03 (197 mm SL), Cox's Bazar , Bay of Bengal, Saint Martin’s Island, 20°36'39.6"N, 92°19'37.2"E, 20 October 2017, Kazi Ahsan Habib, GenBank: MK340691 .

Diagnostic characters.

Meristics: D-XII, 14; P1-17; P2-I, 5; A-III, 7; C-18-20; LL-52-53

Body elongate and compressed, rounded; eye diameter 3.3 in head length; snout 0.7 in head length. Mouth small, lips slightly thick. Maxilla extending below front edge of eye. Villiform teeth. Scales ctenoid. Body silvery, slightly darker on back. Yellow stripes present below lateral line. Dorsal fin silvery; pectoral, pelvic and anal fin yellowish; caudal fin black with white edge (Fig. 3b ). Meristic measurements are given in Table 1 and Table 2 .

Remarks.

Pomadasys guoraca is distinguished from the related species, Pomadasys aheneus McKay et Randall, 1995, by having yellow stripes below lateral line (vs. no stripes); yellow anal and paired fins (vs. dusky anal and paired fins); caudal fin dusky with narrow white margin (vs. caudal fin dusky without white margin).

Distribution.

Pomadasys guoraca is known to occur on the eastern coast of Africa, Oman, Thailand, Philippines, Madagascar ( Roux 1986; Stiassny and Raminosoa 1994; GBIF 2020; Froese and Pauly 2020; Orrell 2020), Sri Lanka ( Orrell 2020), Andaman and Nicobar Islands ( Rajan et al. 2011), India ( Talwar and Kacker 1984). This study confirms the occurrence of this species in the northern Bay of Bengal, Bangladesh for the first time.

Conservation status.

Listed as 'Least Concern’ in the IUCN Red List of Threatened Species (Borsa et al. 2019).

Figures

Figure 3. Lateral view of a collected specimen, a. Pomadasys argyreus (F 1712 SM- 14.; 129 mm SL); b. Pomadasys guoraca (F 1709 SM- 09; 197 mm SL); c. Pomadasys maculatus (F 1708 SM- 10; 96 mm SL).