Area

Number of reefs

Number of transects

Number of species

Number of common species

I

Ph

Au

Tonkin Gulf

14

17

190

160

166

138

Central Vietnam

4

6

219

132

122

98

Ly Son Island

2

4

166

156

159

137

Khanh Hoa Province

18

41

265

176

185

159

Ngu Phung, Katuik Islands

4

6

222

176

183

150

Con Dao Islands

5

10

204

173

180

147

Thochu Island

2

4

186

171

172

142

Namsu Islands

4

8

147

121

131

101

Anthoi Islands

6

8

140

127

127

97

Spratly Islands

5

10

261

184

148

152

Vietnam

70

125

376

76.4%

81.6%

86.6%