Identification of Freshwater Fishes: A Field Guide

Contents: Preface. 1. Notopterus notopterus (Pallas, 1769). 2. Chitala chitala (Hamilton, 1822). 3. Tenualosa ilisha (Hamilton, 1822). 4. Opisthopterus tardoore (Cuvier, 1829). 5. Catla catla (Hamilton, 1822). 6. Cirrhinus mrigala (Hamilton, 1822). 7. Cirrhinus reba (Day, 1878). 8. Ctenopharyngodon idellus (Valencienues, 1844). 9. Cyprinus carpio (Linnaeus, 1758). 10. Cyprinus carpio communis (Linnaeus, 1758). 11. Garra gotyla (Gray, 1830). 12. Garra annandalei (Hora, 1921). 13. Hypophthalmichthys molitrix (Valencienns, 1844). 14. Labeo ariza (Hamilton, 1807). 15. Labeo bata (Day, 1878). 16. Labeo boggut (Sykes, 1839). 17. Labeo calbasu (Hamilton-Buchanan, 1822). 18. Labeo fimbriatus (Fringed-Lipped Peninsula Carp). 19. Labeo rohita (Hamilton, 1822). 20. Osteobrama cotio (Hamilton, 1822). 21. Osteobrama belangeri (Valenciennes, 1844). 22. Osteobrama vigorsii (Sykes, 1839). 23. Puntius chola (Hamilton, 1822). 24. Puntius ticto (Hamilton, 1822). 25. Puntius sarana (Hamilton, 1822). 26. Puntius sophore (Hamilton, 1822). 27. Puntius terio (Hamilton, 1822). 28. Rohtee ogilbii (Sykes, 1841). 29. Barilius barila (Hamilton, 1822). 30. Danio devario (Hamilton, 1822). 31. Amblypharyngodon microlepis (Bleeker, 1853). 32. Amblypharyngodon mola (Hamilton, 1822). 33. Esomus danricus. 34. Rasbora daniconius (Hamilton, 1822). 35. Salmostoma bacaila (Hamilton, 1822). 36. Salmostoma phullo (Hamilton, 1822). 37. Nemacheilus corica (Hamilton, 1822). 38. Aplocheilus panchax (Hamilton, 1822). 39. Megalops cyprinoides. 40. Chanos chanos (Forsskal, 1775). 41. Mystus bleekeri (Day, 1877). 42. Mystus cavasius (Hamilton, 1822). 43. Mystus tengara (Hamilton, 1822). 44. Mystus vittatus (Bloch, 1794). 45. Spherata aor (Hamilton, 1822). 46. Spherata seenghala (Sykes, 1839). 47. Rita kuturnee (Sykes, 1839). 48. Rita rita (Hamilton, 1822). 49. Clarias batrachus (Linneaeus, 1758). 50. Clarias gariepinus (Burchell, 1822). 51. Heteropneustes fossilis (Bloch, 1794). 52. Pangasius pangasius (Hamilton, 1822). 53. Eutropiichthys vacha (Hamilton, 1822). 54. Proeutropiichthys taakree (Sykes, 1839). 55. Silonia silondia (Hamilton, 1822). 56. Ompok bimaculatus (Bloch, 1794). 57. Ompok pabda (Hamilton, 1822). 58. Wallago attu (Bloch & Schneider, 1801). 59. Bagarius bagarius (Hamilton, 1822). 60. Anguilla bengalensis (Gray, 1831). 61. Anguilla bicolor (Gray, 1831). 62. Xenentodon cancila (Hamilton, 1822). 63. Hyporhamphus limbatus (Valenciennes, 1847). 64. Channa marulius (Bloch and Schneider, 1801). 65. Channa orientalis (Bloch and Schneider, 1801). 66. Channa punctata (Bloch, 1793). 67. Channa striatus (Bloch, 1794). 68. Mastacembelus armatus (Lacepede, 1800). 69. Mastacembelus pancalus (Hamilton, 1822). 70. Psammogobius biocellatus (Valenciennes, 1837). 71. Glossogobius giuris (Hamilton, 1822). 72. Awaous grammepomus. 73. Eleotris fusca (Forster, 1801). 74. Lates calcarifer (Bloch, 1790). 75. Trichogaster fasciatus (Bloch and Schneider, 1801). 76. Anabas testudineus (Bloch, 1795) Ratigorasa. 77. Oreochromis mossambicus (Peters, 1852). 78. Pseudetroplus maculatus (Bloch, 1795). 79. Etroplus suratensis (Bloch, 1790). 80. Nandus nandas (Hamilton, 1822). 81. Chanda nama (Hamilton, 1822). 82. Parambassis ranga (Hamilton, 1822). 83. Johnius coitor (Hamilton, 1822). 84. Upeneus vittatus (Forsskl, 1775). 85. Mugil cephalus (Linnaeus, 1758). 86. Planiliza macrolepis (Smith, 1846). 87. Liza parsia (Hamliton, 1822). 88. Rhinomugil corsula (Hamilton, 1822).

This field guide is developed as a practical guide for the identification of freshwater fishes, specifically tailored for use in field conditions. It emphasizes key morphological features, habitat characteristics, and other distinguishing traits that are critical for species recognition. Intended for students, researchers, aquatic ecologists, and field professionals, the guide provides accessible tools and techniques that allow for reliable and efficient identification of freshwater fish across various inland ecosystems-rivers, streams, lakes, ponds, and wetlands. The manual is structured to support both quick field reference and more detailed study, offering clear diagnostic features, illustrations, and comparative insights to help differentiate among visually similar species. Special attention is given to species of ecological or conservation concern, with references to relevant national and international conservation status where applicable. By enhancing awareness and accuracy in fish identification, this field guide aims to contribute to the sustainable management of freshwater ecosystems and the conservation of aquatic biodiversity. It is our hope that this field guide will serve as a useful and trusted companion in both educational and professional fieldwork.