Table 1. Samples tested in the present caviar species identification survey.
| Labeled species | In-store | Internet | Price Range | GenBank accession nos. (sample number in parentheses) | |||
| 2006 | 2008 | 2006 | 2008 | (per oz US $) | Cytb or coxI | D-loop | |
| Beluga(Huso huso) | 1, 13 | 23, 30*,32, 38* | 57 | 114.00–195.00 | JX238370(1), JX238369(13), JX238424(23),JX238402(30), JX238425(32), JX238387(38),JX238368(57), | JX213602(30), JX213607(38) | |
| Sevruga(Acipenser stellatus) | 3, 6, 9,12, 18 | 56, 58,71, 92 | 25, 28,31, 33*,36* | 60, 64*,69, 75*,76, 77,84 | 60.00–161.00 | JX238379(3), JX238430(6) JX238380(9),JX238381(12), JX238426(18), JX238429(25),JX238427(28), JX238428(31), JX238350(33),JX238431(36a), JX238408(36b), JX238375(56),JX238373(58), JX238372(60),JX238383-4(64a–b), JX238376(69),JX238374(71), JX238349(75a), JX238352(75b),JX238377(76), JX238371(77), JX238382(84),JX238378(92) | JX213605-6(36a–b) |
| Ostera(A. baerii) | 2(F), 8(F) | 51(F),54(F),85(F) | 24(F) | 81*(F),94 (F) | 20.00–85.00 | JX238385(2), JX238386(8), JX238422(24),JX238389(51), JX238391(54), JX238398(81),JX238394(85) | JX213594(2), JX213595(8), JX213599(24), JX213609(51), JX213611(54), JX213620(81), JX213623(85) |
| Ostera(A. gueldenstaedtii) | 27 | 68, 82(F),83, 86(F),87, 93*(F) | 45.00–175.00 | JX238432(27), JX238405(68), JX238399(82),JX238400(83), JX238406(86), JX238407(87),JX238395(93), | JX213600(27), JX213617(68), JX213621-22(82–83), JX213624-25(86–87), JX213626(93) | ||
| Osetra(A. gueldenstaediix A. baerii) | 14(F) | 85.00 | JX238409(14) | JX213597(14) | |||
| Osetra(A. persicus) | 55 | 29 | 63, 73 | 119.00–150.00 | JX238433(29), JX238403(55), JX238411(63),JX238397(73) | JX213601(29), JX213612(55), JX213614(63), JX213619(73) | |
| Osetra(unspecified) | 10, 20(F),21 | 44, 47(F),48(F),53(F),70 | 34, 35(F) | 62, 65(F),67 | 60.50–220.00 | JX238404(10), JX238413(20), JX238434(21),JX238435(34), JX238423(35), JX238410(44),JX238418(47), JX238388(48), JX238390(53),JX238392(62), JX238393(65), JX238401(67),JX238396(70) | JX213596(10), JX213598(21), JX213603-4(34–35), JX213608(48), JX213610(53), JX213613(62), JX213615(65), JX213616(67), JX213618(70) |
| White(A. transmontanus) | 11(F), 15 | 45(F),52(F, M),90 (F) | 40(F) | 32.50–75.00 | JX238412(11), JX238415(15), JX238416(40),JX238414(45), JX238418(52), JX238421(90) | ||
| Paddlefish(Polyodon spathula) | 4, 16,19, 22 | 43, 50 | 26 | 61, 66,72, 80,89 | 16.50–57.00 | JX238437(4), JX238436(16), JX238346(19),JX238438(22), JX238358(26), JX238357(43),JX238356(50), JX238355(61), JX238354(66),JX238353(72), JX238347(80), JX238351(89) | |
| Hackleback(Scaphirhynchus platorynchus) | 5, 7, 17 | 49 | 39 | 74, 79,91 | 15.00–28.00 | JX238359(5), JX238365(7), JX238360(17),JX238366(39), JX238367(49), JX238362(74),JX238363(79), JX238364(91) | |
| American-unspecified | 46 | 41(F) | 59, 88(F) | 48.00–75.00 | JX238417(41), JX238348(46), JX238361(59),JX238420(88) | ||
| CaviarSubstitute | 95 | 15.00 | N/A | N/A | |||
| Caspian SeaBlack Caviar | 96* | 7.00 | JX238439(96-cox1 gene) | ||||
| Total | 23 | 19 | 18 | 33 | |||
*
mislabeled caviar lot (see Table 2 for identification), F: labeled as “farmed”, M: meat sample.