Biodiversity of Three Backwaters in the South West Coast of India

Table 8

Karl Pearson correlation showing the significance (5%) by relating the number of fishes and physicochemical parameters of Veli Lake.

Name of fish	Temperature	pH	Salinity	Alkalinity	Dissolved oxygen
Oreochromis mossambicus	−0.24	−0.16	0.05	0.29	0.47
Etroplus suratensis	−0.22	−0.46	−0.33	0.32	−0.29
Etroplus maculatus	0.52^*	0.53^*	−0.27	−0.01	−0.19
Terapon jarbua	−0.06	−0.26	0.56^*	−0.65^*	0.09
Caranx sehfsciatis	−0.39	−0.45	0.44	−0.26	0.39
Caranx ignobilis	−0.38	−0.12	0.13	0.11	0.47
Chanda ranga	−0.13	0.21	0.02	0.21	0.48
Chanda nama	−0.43	0.19	0.04	−0.14	0.18
Mugil cephalus	−0.40	−0.45	0.61^*	−0.71^*	0.04
Channa marulius	−0.15	−0.20	0.42	−0.08	0.58^*
Channa striatus	−0.21	−0.27	0.50^*	−0.25	0.60^*
Megalops cyprinoides	−0.09	−0.33	−0.04	−0.02	−0.61^*
Gerres filamentosus	0.53^*	0.53^*	−0.40	0.32	0.14
Puntius filamentosus	−0.36	−0.56^*	−0.00	0.31	0.39
Anabas testudineus	−0.59^*	−0.25	0.62^*	−0.54^*	0.52^*
Mystus gulio	−0.04	0.14	−0.01	−0.30	−0.20
Arius arius	0.26	−0.10	−0.48	0.40	−0.77^*
Tachysurus subrostratus	−0.32	−0.44	0.61^*	−0.61^*	0.19
Valamugil cunnesius	−0.39	−0.68^*	0.43	−0.22	0.48
Liza parsia	−0.27	−0.35	0.11	−0.20	−0.22
Elops machnata	−0.08	−0.24	−0.30	0.38	0.29
Hyphorhampus improvis	−0.29	−0.46	0.60^*	−0.62^*	0.15
Periophthalmus weberi	−0.23	−0.56^*	0.34	0.08	0.17
Glossogobius giuris	−0.19	0.22	0.02	0.16	0.35
Anguilla bengalensis	−0.24	0.12	0.17	0.02	0.38
Austroglossus pectoralis	−0.39	−0.62^*	0.30	−0.09	0.21
Metapenaeus brevicornis	−0.19	−0.54^*	0.06	0.12	0.32
Macrobrachium idella	−0.28	−0.04	0.14	0.13	0.46
Scylla serrata	−0.13	−0.46	−0.27	0.59^*	0.27
Penaeus monodon	−0.12	−0.36	0.59^*	−0.61^*	0.08
Penaeus indicus	0.47	0.28	−0.41	0.10	−0.70^**

Significant, ^**highly significant.