Table 2. Dominant species determined by the IRI.
| Species | IRI | ||||||
|---|---|---|---|---|---|---|---|
| 1998 | 2000 | 2002 | 2003 | 2004 | 2007 | 2009 | |
| Trichiurus lepturus | 807.10 | 3145.50 | |||||
| Salanx prognathus | 710.31 | ||||||
| Stolephorus commersonnii | 334.49 | 4.43 | 1686.24 | 713.97 | |||
| Engraulis japonicus | 177.38 | 8.87 | 6.02 | 4.43 | 584.08 | ||
| Chaeturichthys stigmatias | 329.48 | 1.05 | |||||
| Salanx ariskensis | 345.90 | 53.22 | 319.29 | ||||
| Pseudorasbora parva | 459.93 | 22.08 | |||||
| Harpadon nehereus | 124.17 | 26.61 | 3.01 | 4.43 | 6.42 | 42.05 | |
| Larimichthys crocea | 141.91 | ||||||