Research Article
Biodiversity of Three Backwaters in the South West Coast of India
Table 4
Biodiversity of finfish and shellfish of Poonthura backwater (%).
| | Name of fish | April | May | June | July | Aug. | Sept. | Oct. | Nov. | Dec. | Jan. | Feb. | Mar. |
| | Oreochromis mossambicus | 25.33 | 35.30 | 39.79 | 55.59 | 46.72 | 65.92 | 55.46 | 46.40 | 27.97 | 32.62 | 23.18 | 26.12 | | Etroplus suratensis | 15.20 | 13.11 | 10.47 | 2.01 | 9.45 | 6.60 | 5.42 | 7.87 | 16.47 | 21.05 | 9.66 | 11.05 | | Etroplus maculatus | 5.07 | 4.54 | 5.24 | 5.53 | 0.09 | 0.00 | 0.00 | 4.36 | 6.97 | 0.00 | 0.00 | 0.00 | | Terapon jarbua | 4.56 | 1.58 | 0.00 | 0.00 | 0.48 | 0.00 | 2.64 | 3.65 | 2.22 | 1.65 | 1.30 | 0.00 | | Caranx sehfsciatis | 0.00 | 0.00 | 0.00 | 0.65 | 0.00 | 2.69 | 3.63 | 1.33 | 1.14 | 1.28 | 0.48 | 0.00 | | Caranx ignobilis | 0.00 | 0.00 | 0.00 | 0.65 | 4.77 | 6.10 | 3.94 | 4.69 | 8.25 | 1.14 | 0.51 | 0.00 | | Chanda ranga | 0.00 | 0.00 | 0.00 | 0.55 | 4.27 | 6.60 | 6.39 | 2.30 | 3.40 | 0.00 | 0.00 | 0.00 | | Chanda nama | 10.13 | 5.35 | 0.00 | 0.00 | 0.00 | 2.34 | 2.66 | 4.69 | 5.09 | 11.21 | 14.63 | 0.00 | | Mugil cephalus | 10.72 | 6.33 | 7.85 | 0.65 | 2.37 | 0.00 | 1.92 | 8.73 | 4.80 | 0.00 | 5.02 | 0.00 | | Channa marulius | 5.86 | 5.78 | 5.24 | 1.94 | 0.48 | 1.32 | 0.68 | 1.82 | 1.03 | 5.47 | 2.24 | 4.02 | | Channa striatus | 0.05 | 0.00 | 2.09 | 0.76 | 0.58 | 0.50 | 0.74 | 1.33 | 1.60 | 0.00 | 0.00 | 2.01 | | Megalops cyprinoides | 5.45 | 2.52 | 1.05 | 1.39 | 0.00 | 2.64 | 1.23 | 0.89 | 1.29 | 0.00 | 2.41 | 3.01 | | Gerres filamentosus | 1.52 | 0.00 | 5.76 | 0.74 | 2.37 | 0.00 | 1.25 | 0.56 | 0.00 | 0.00 | 0.00 | 0.00 | | Puntius filamentosus | 2.03 | 3.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.90 | 1.63 | 1.98 | 10.68 | 4.83 | 1.00 | | Anabas testudineus | 2.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.66 | 1.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | | Mystus gulio | 1.52 | 0.58 | 0.00 | 0.00 | 0.00 | 0.00 | 0.22 | 0.10 | 0.00 | 0.00 | 0.48 | 0.00 | | Arius arius | 0.71 | 0.35 | 0.00 | 0.28 | 0.00 | 0.00 | 0.00 | 0.00 | 0.11 | 0.00 | 0.29 | 0.00 | | Valamugil cunnesius | 5.50 | 0.00 | 5.24 | 1.39 | 0.23 | 4.35 | 4.32 | 1.90 | 2.85 | 0.00 | 0.48 | 0.00 | | Liza parsia | 0.00 | 2.54 | 0.00 | 0.00 | 2.03 | 0.00 | 2.10 | 2.62 | 1.79 | 0.00 | 0.00 | 0.00 | | Elops machnata | 2.82 | 1.23 | 0.00 | 0.00 | 0.23 | 0.00 | 0.90 | 0.00 | 0.66 | 0.00 | 0.50 | 0.50 | | Catla catla | 0.00 | 0.10 | 0.31 | 0.00 | 0.00 | 0.00 | 0.08 | 0.06 | 0.00 | 0.06 | 0.05 | 0.05 | | Hyphorhampus improvis | 0.00 | 0.00 | 0.00 | 0.00 | 1.32 | 0.00 | 0.51 | 0.00 | 3.17 | 4.29 | 0.00 | 0.00 | | Periophthalmus weberi | 0.00 | 0.00 | 0.00 | 0.70 | 0.48 | 0.00 | 0.88 | 1.21 | 0.58 | 0.00 | 0.00 | 0.00 | | Gaterius diagramms | 0.00 | 0.00 | 0.00 | 0.10 | 0.00 | 0.26 | 0.43 | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 | | Scatophagus argus | 0.00 | 0.00 | 0.00 | 0.09 | 0.00 | 0.00 | 0.00 | 0.25 | 0.69 | 0.00 | 0.00 | 0.00 | | Lutjanus johnii | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | | Scomberomorus guttatus | 0.00 | 0.00 | 0.00 | 0.23 | 0.00 | 0.00 | 0.83 | 0.34 | 0.00 | 0.00 | 0.00 | 0.00 | | Scylla serrata | 1.52 | 0.50 | 0.21 | 0.17 | 0.00 | 0.00 | 1.07 | 1.09 | 2.27 | 0.02 | 0.08 | 1.00 | | Penaeus monodon | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.05 | 0.00 | 0.05 | 0.00 | | Penaeus indicus | 0.00 | 14.62 | 13.09 | 25.16 | 23.87 | 0.00 | 0.00 | 1.58 | 3.69 | 10.52 | 33.80 | 51.23 | | Macrobrachium idella | 0.00 | 2.52 | 3.66 | 1.61 | 0.00 | 0.00 | 1.64 | 0.00 | 1.58 | 0.00 | 0.00 | 0.00 |
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