There are 70 cosmoplitan species in the Zone Indian Ocean (species present in at least 20 zones)
Acartia (Acartia) danae Giesbrecht, 1889 (F,M)(presence in 21 zones) Acartia (Acartiura) longiremis (Lilljeborg, 1853) (F,M)(presence in 20 zones) Aetideus armatus (Boeck, 1872) (F,M)(presence in 24 zones) Calocalanus pavo (Dana, 1849) (F,M)(presence in 22 zones) Calocalanus styliremis Giesbrecht, 1888 (F,M)(presence in 20 zones) Candacia simplex (Giesbrecht, 1889) (F,M)(presence in 21 zones) Centropages bradyi Wheeler, 1901 (F,M)(presence in 20 zones) Chiridius gracilis Farran, 1908 (F,M)(presence in 21 zones) Chirundina streetsii Giesbrecht, 1895 (F,M)(presence in 20 zones) Clausocalanus arcuicornis (Dana, 1849) (F,M)(presence in 20 zones) Clausocalanus furcatus (Brady, 1883) (F,M)(presence in 20 zones) Clausocalanus parapergens Frost & Fleminger, 1968 (F,M)(presence in 20 zones) Corycaeus (Corycaeus) speciosus Dana, 1849 (F,M)(presence in 20 zones) Ctenocalanus vanus Giesbrecht, 1888 (F,M)(presence in 21 zones) Euchaeta acuta Giesbrecht, 1892 (F,M)(presence in 20 zones) Euchirella messinensis (Claus, 1863) (F,M)(presence in 20 zones) Euchirella rostrata (Claus, 1866) (F,M)(presence in 24 zones) Gaetanus kruppii Giesbrecht, 1903 (F,M)(presence in 20 zones) Gaetanus minor Farran, 1905 (F,M)(presence in 21 zones) Gaetanus pileatus Farran, 1903 (F,M)(presence in 20 zones) Gaetanus tenuispinus (Sars, 1900) (F,M)(presence in 22 zones) Haloptilus acutifrons (Giesbrecht, 1892) (F,M)(presence in 21 zones) Haloptilus longicornis (Claus, 1863) (F,M)(presence in 23 zones) Heterorhabdus papilliger Claus, 1863 (F,M)(presence in 22 zones) Heterorhabdus spinifrons (Claus, 1863) (F,M)(presence in 22 zones) Heterostylites longicornis (Giesbrecht, 1889) (F,M)(presence in 22 zones) Labidocera acutifrons (Dana, 1849) (F,M)(presence in 20 zones) Lophothrix frontalis Giesbrecht, 1895 (F,M)(presence in 20 zones) Lubbockia aculeata Giesbrecht, 1891 (F,M)(presence in 20 zones) Lucicutia flavicornis (Claus, 1863) (F,M)(presence in 21 zones) Macrosetella gracilis (Dana, 1848) (F,M)(presence in 21 zones) Mecynocera clausi Thompson, 1888 (F,M)(presence in 22 zones) Megacalanus princeps Wolfenden, 1904 (F,M)(presence in 22 zones) Mesocalanus tenuicornis (Dana, 1849) (F,M)(presence in 22 zones) Metridia brevicauda Giesbrecht, 1889 (F,M)(presence in 21 zones) Metridia lucens Boeck, 1864 (F,M)(presence in 22 zones) Metridia princeps Giesbrecht, 1889 (F,M)(presence in 20 zones) Microsetella norvegica (Boeck, 1864) (F,M)(presence in 25 zones) Microsetella rosea (Dana, 1848) (F,M)(presence in 22 zones) Nannocalanus minor (Claus, 1863) (F,M)(presence in 23 zones) Neocalanus gracilis (Dana, 1849) (F,M)(presence in 22 zones) Oithona atlantica Farran, 1908 (F,M)(presence in 22 zones) Oithona nana Giesbrecht, 1892 (F,M)(presence in 21 zones) Oithona plumifera Baird, 1843 (F,M)(presence in 22 zones) Oithona similis-Group Claus, 1866 (F,M)(presence in 25 zones) Oncaea media Giesbrecht, 1891 (F,M)(presence in 20 zones) Oncaea mediterranea (Claus, 1863) (F,M)(presence in 20 zones) Oncaea venusta Philippi, 1843 (F,M)(presence in 23 zones) Paracalanus aculeatus Giesbrecht, 1888 (F,M)(presence in 20 zones) Paracalanus parvus (Claus, 1863) (F,M)(presence in 24 zones) Paraeuchaeta barbata (Brady, 1883) (F,M)(presence in 21 zones) Paraeuchaeta sarsi (Farran, 1908) (F,M)(presence in 20 zones) Phaenna spinifera Claus, 1863 (F,M)(presence in 21 zones) Pleuromamma abdominalis (Lubbock, 1856) (F,M)(presence in 22 zones) Pleuromamma gracilis (Claus, 1863) (F,M)(presence in 22 zones) Pleuromamma robusta (F. Dahl, 1893) (F,M)(presence in 23 zones) Pleuromamma xiphias (Giesbrecht, 1889) (F,M)(presence in 24 zones) Pseudoamallothrix ovata (Farran, 1905) (F,M)(presence in 22 zones) Rhincalanus nasutus Giesbrecht, 1888 (F,M)(presence in 24 zones) Scaphocalanus echinatus (Farran, 1905) (F,M)(presence in 20 zones) Scaphocalanus magnus (T. Scott, 1894) (F,M)(presence in 22 zones) Scolecithricella dentata (Giesbrecht, 1892) (F,M)(presence in 20 zones) Scolecithricella minor (Brady, 1883) (F,M)(presence in 22 zones) Scottocalanus securifrons (T. Scott, 1894) (F,M)(presence in 20 zones) Spinocalanus abyssalis Giesbrecht, 1888 (F,M)(presence in 20 zones) Spinocalanus magnus Wolfenden, 1904 (F,M)(presence in 20 zones) Triconia conifera (Giesbrecht, 1891) (F,M)(presence in 25 zones) Triconia minuta Giesbrecht, 1892 (F, M)(presence in 20 zones) Undeuchaeta major Giesbrecht, 1888 (F,M)(presence in 23 zones) Undeuchaeta plumosa (Lubbock, 1856) (F,M)(presence in 22 zones)
