Gerres, Quoy and Gaimard, 1824

Mishra, Subhrendu Sekhar, Saren, Saresh Chandra & Sengupta, Anwesha, 2018, First record of Gerres infasciatus Iwatsuki and Kimura 1998 (Perciformes: Gerreidae) from North-eastern coast of India, Records of the Zoological Survey of India 118 (2), pp. 202-202 : 202-

Key to the species of ‘ Gerres filamentosus’ complex occurring in India:

1a. Body relatively slender, depth 2.2-2.8 in SL; predorsal distance distinctly greater than body depth; usually with 6-10 dark bars on body .............. G. macracanthus

1b. Body depth 1.9-2.4 in SL; predorsal distance equal to or slightly less than greatest body depth; juveniles with 4-8 faint bars, larger specimens (> 10 cm SL) with columns of ovoid spots or no spot or no bars....2

2a. Typically 44 or 45 (rarely 43 or 46) lateral line scales to base of caudal fin; juveniles with 4-8 faint bars on body; adults with 4-8 columns of ovoid spots dorsally on body, more obvious on removal of scales or in preserved specimens ............................. G. filamentosus

2b. Typically 39 to 44 (usually 40-42) lateral line scales to base of caudal fin; body usually without dark bars or bands of ovoid spots dorsally, even in fish> 10 cm SL (rarely 5-6 very faint yellowish bars visible upon angled view), becoming more obvious on removal of scales or just after preservation .............. G. infasciatus