Open Access

Table 1

Monogeneans of invasive tilapias with mean abundance in south China.

Sites Abbr. Waters Host species No. Cci Cha Csc Cth Cti Slo Eco Ema
Baise BS River C. zillii 30 0.3 0.1 × × 0.8 × 0.3 ×
S. galilaeus 30 × <0.1 0.6 × 11.4 × × ×
O. niloticus 30 2 6.6 6.1 1.6 12.9 3.4 × 0.1
Changjiang CJ Reservoir C. zillii 20 0.9 0.1 × × 3.4 1.3 × ×
O. niloticus 22 1.5 2.3 0.1 1.4 42.7 0.9 × ×
Chengmai CM Reservoir C. zillii 128 0.9 0.2 × <0.1 5.1 <0.1 × ×
O. niloticus 39 0.1 3.5 2.5 3 9.8 6.1 × <0.1
Chaozhou CZ River C. zillii 108 0.1 × <0.1 × 0.4 <0.1 × ×
S. galilaeus 13 × × 0.4 × 6.5 × × 0.2
O. niloticus 26 0.3 × 1.2 × 7.1 1.3 × 0.1
Danzhou DZ Reservoir C. zillii 23 × × × × 0.4 × × ×
O. mossambicus 15 0.3 0.1 8.9 0.4 5.5 1.3 × 1.6
O. niloticus 492 5.2 7.7 3.7 7.5 11.9 6.9 × 1.6
Fuzhou FZ River C. zillii 25 × × × × 1 ×
S. galilaeus 13 × × 0.2 × 1.5 ×
O. niloticus 17 × × 0.1 × 0.6 ×
Gengma GM Reservoir O. niloticus 31 0.6 × 1.3 × 5.9 2.9 × ×
Guangzhou GZ Captivity O. niloticus >50 × × ×
Haikou HK Estuary C. zillii 10 × × × × 4.8 × × ×
O. mossambicus 32 × × × × × × × ×
O. niloticus 32 × × × × 1 × × ×
Heyuan HY Reservoir C. zillii 29 <0.1 × × × 3.7 × 0.2 ×
S. galilaeus 6 × × × × 6.3 × × ×
O. niloticus 7 2 3.4 0.7 0.3 26.9 2.1 × ×
Hualien HL Captivity O. niloticus 1 1 × × 1 1 1
Liuzhou LZ River C. zillii 40 × × × × 0.3 × 1.8 ×
O. niloticus 13 × 0.3 1.4 × 4.1 1.2 0.4 0.5
Macau AM Estuary C. zillii 6 × × × × × × × ×
O. niloticus 6 × × × × × × × ×
Maoming MM Reservoir C. zillii 553 0.6 0.3 <0.1 0.1 4 0.1 0.8 <0.1
O. niloticus 599 2.5 5 1 4.6 15.6 5 × 0.3
Nanning NN River C. zillii 30 <0.1 0.1 × × 5.1 × 0.1 ×
S. galilaeus 6 × × 0.3 × 14.2 × × ×
O. niloticus 32 0.4 6 4.4 4.1 19.6 10.4 × 0.1
Quannei QN River C. zillii 34 0.7 × × × 3.8 0.1 3 ×
O. niloticus 30 2.2 × 1.2 0.8 9.5 3.8 × 1
Quanzhou QZ River C. zillii 42 × × <0.1 × 0.3 × <0.1 ×
S. galilaeus 26 × × 0.7 × 7.1 × × ×
O. niloticus 31 0.1 × 2.7 0.3 4.5 1.1 × 0.2
Shaoguan SG Reservoir C. zillii 683 <0.1 × × <0.1 1 × 1.8 ×
Xiamen XM River C. zillii 5 × × × × 2 ×
S. galilaeus 19 × × 0.1 × 0.6 ×
O. niloticus 28 × × 1.5 0.6 5 1.2
Xishuangbanna BN River C. zillii 23 × × × × 0.2 <0.1 1 ×
O. niloticus 42 0.1 5.6 3.5 1.7 2 1.5 × 0.1

Abbr., abbreviation of sites; No., sampling number; Cti, Cichlidogyrus tilapiae; Cci, C. cirratus; Cth, C. thurstonae; Csc, C. sclerosus; Cha, C. halli; Slo, Scutogyrus longicornis; Eco, E. coronatus; Ema, E. malmbergi. √, sampled, but data not recorded; ×, not sampled; –, not examined. There were twelve G. cichlidarum sampled, including two G. cichlidarum collected from Gaozhou reservoir, Maoming (MM) and Songtao reservoir, Danzhou (DZ), respectively, and eight collected from laboratory reared O. niloticus in Guangzhou (GZ). Only one Gyrodactylus sp1. collected from Songtao reservoir, Danzhou.

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