ปลาสร้อยนกเขา ในตัวเล็ก(ภาพบน) ลวดลายบนลำตัวจะแตกต่างจากตัวเต็มวัย(ภาพล่าง) ปลาสร้อยนกเขาจริงแล้วมีหลายชนิด เช่น
Genus Diagramma (Oken, 1817)
D. labiosum (Macleay, 1883) - Red Sea, East Africa, western Pacific
D. melanacrum (Johnson & Randall, 2001) - blackfin slatey - Indonesia, Borneo, Philippines
D. pictum (Thunberg, 1792) - painted sweetlips - Red Sea, East Africa, Japan, New Caledonia
D. punctatum (Cuvier, 1830) - Japan, ID, New Guinea, New Caledonia
Genus Plectorhinchus (Lacepède, 1801)
P. plagiodesmus (Fowler, 1935) - barred rubberlip -
P. macrolepis (Boulenger, 1899) - biglip grunt - Senegal, Angola
P. gaterinus (Forsskål, 1775) - blackspotted rubberlip - Red Sea, South Africa, Mauritius, Madagascar, Comoro Island
P. taeniatus (McKay & Randall, 1995) - bronzestriped grunt - Arabian Peninsula
P. celebicus (Bleeker, 1873) - Celebes sweetlips - Moluccas, Papua New Guinea, Ryukyu Islands, Great Barrier Reef, Micronesia
P. cinctus (Temminck & Schlegel, 1843) - crescent sweetlips - Arabian Sea, Japan
P. chubbi (Regan, 1919) - dusky rubberlip - Somalia, Kenya, India, South Africa
P. obscurus (Günther, 1872) - giant sweetlips -
P. chaetodonoides (Lacepède, 1801) - harlequin sweetlips - Maldives, Cocos Islands, Sumatra, Fiji, New Caledonia, Ryukyu Island, Rowley Shoals
P. gibbosus (Hombron & Jacquinot, 1853) - Harry or brown hotlips - Indian Ocean
P. vittatus (Linnaeus, 1758) - Oriental sweetlips -
P. flavomaculatus (Cuvier, 1830) - lemon sweetlips - Red Sea, Gulf of Oman
P. gaterinoides (Smith, 1962) - lined sweetlips - lined sweetlips -
P. multivittatus (Macleay, 1878) - many-lined sweetlips
P. schotaf (Forsskål, 1775) - minstrel sweetlip -
P. orientalis (Bloch, 1793) - Oriental sweetlips - East Africa, Samoa, Japan, New Caledonia, Palau, Micronesia
P. faetela (Forsskål, 1775) -
P. harrawayi (Smith, 1952) -
P. macrospilus (Satapoomin & Randall, 2000) -
P. nigrus (Cuvier, 1830) - Indo-Pacific
P. trifasciatus (Fowler, 1937) - Australia, Thailand, Papua New Guinea
P. umbrinus (Klunzinger, 1870) -
P. punctatissimus (Playfair, 1868) -
P. unicolor (Macleay, 1883) -
P. picus (Cuvier, 1830) - painted sweetlips - Seychelles, Japan
P. perotaei (Cuvier, 1830) - parrot grunt - Mauritania, Angola
P. rogerii (Cuvier, 1830) - pigsnout grunt - Mauritania, Angola
P. unimaculatus (Tian, 1982) - red patched grunter - China, Malaysia
P. polytaenia (Bleeker, 1852) - ribboned sweetlips -
P. mediterraneus (Guichenot, 1850) - rubberlip grunt - Spain, Portugal, Namibia, Mediterranean Sea, Canary Islands
P. sordidus (Klunzinger, 1870) - sordid rubberlip -
P. ceylonensis (Smith, 1956) - Sri Lanka sweetlips - Sri Lanka
P. striatus (Gilchrist & Thompson, 1908) - striped grunter - Mozambique, South Africa, Red Sea, Gulf of Suez
P. diagrammus (Linnaeus, 1758) - striped sweetlips -
P. pictus (Tortonese, 1936) - trout sweetlips - Persian Gulf, Sri Lanka, China
P. albovittatus (Rüppell, 1838) - two-striped sweetlips - Red Sea, Celebes, Taiwan, Tonga, Mozambique
P. playfairi (Pellegrin, 1914) - whitebarred rubberlip -
P. lineatus (Linnaeus, 1758) - yellowbanded sweetlips - Great Barrier Reef, New Caledonia
P. quadrilineatus (Shen & Lin, 1984) - yellow-lined grunter - China, Japan
P. chrysotaenia (Bleeker, 1855) - yellow-striped sweetlips - Singapore, Philippines, Solomon Islands, Ryukyu Island, Great Barrier Reef, New Caledonia
P. paulayi (Steindachner, 1895) - zebra sweetlip -