OCCURRENCE AND REDESCRIPTION OF THRYSSA SETIROSTRIS (BROUSSONET, 1782) (CLUPIFORMES, ENGRAULIDAE) FROM IRAQI MARINE WATER
Nine fish specimens of Thryssa setirostris (Broussonet, 1782) were collected from the Arabian Gulf, during the period from July 2015 to April 2016. Because of the scarcity of this fish and overlapping and ambiguous of its taxonomic characters with other Thryssa spp., a detailed taxonomic study was conducted. The present study includes the most important meristic and morphometric characteristics.
The mean of the total length of the specimens was 149.67 mm; dorsal fin consists of 12 rays, anal fin with 34-37 rays and pectoral fin with 12-13 rays; Gill rakers were 4 upper,1 medial an.10 lower. The most important character that isolates T. setiristis from other close Thryssa spp. is the maxilla which is considered very long and reach beyond the tip of the pectoral fin.
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