Thrissina samam
Thrissina samam (Montrouzier, 1857)
Samam baelama anchovy

Family:  Engraulidae (Anchovies), subfamily: Coiliinae
Max. size:  10.41 cm SL (male/unsexed)
Environment:  pelagic-neritic; marine
Distribution:  Western Pacific: from the Ogasawara Islands and Ryukyu Archipelago, Japan, to Palau and New Britain, Papua New Guinea.
Diagnosis:  This species is distinguished by the following characters: short maxilla, 20.3-23.1% of SL, its posterior tip not reaching to posterior margin of opercle; first supramaxilla is elongated, longer than half length of second; lower jaw rather long, 18.7-21.2% of SL; abdomen with 4-8 + 8-10 = 13-16 keeled scutes; no scutes anterior to the pectoral fin; 1UGR (upper gill rakers of first gill arch) 14-16, 1LGR (lower gill rakers of first gill arch) 18-21, 1TGR (total gill rakers of first gill arch) 33-36; 2UGR 10-14, 2LGR 18-21, 2TGR 29-35; 3UGR 9-12, 3LGR 11-14, 3TGR 20-26; 4UGR 6-10, 4LGR 9-12, 4TGR 17-22; distinct black blotches on dorsal fin absent; caudal peduncle narrow, 9.0-10.6% (mean 9.7%) of SL; and long, 9.7-11.0% of SL; pre-dorsal-fin length 47.7-53.1% of SL; pre-anal-fin short, 63.2-68.3% of SL; distance between pelvic-fin insertion and anal-fin origin is rather short, 18.7-23.7% of SL; pectoral fin short, 16.9-19.1% of SL; pelvic fin short, 12.6-14.3% of SL; body elongated, 20.1-26.0% (mean 23.0%) of SL (Ref. 129422).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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