Fish. Native and non-native fish often view tadpoles as a tasty snack. Most species of pond fish are carnivores or omnivores and eat practically any creature that is a suitable size. Very small fish may be unable to eat larger tadpoles, but a fully grown goldfish can easily eat several a day.If you want to protect tadpoles, stock your pond with only small, native fish and provide plenty of hiding places in the form of aquatic plants.ish. Native and non-native fish often view tadpoles as a tasty snack. Most species of pond fish are carnivores or omnivores and eat practically any creature that is a suitable size. Very small fish may be unable to eat larger tadpoles, but a fully grown goldfish can easily eat several a day.
Fresh Water Fishing Guide | Bait. Fish Species. The Murray river plays host to many species of fish and apart from the regulars such as Murray Cod, Callop, Catfish, Bream, Macquarie, Perch and Redfin, there are a large number of assorted fish which are largely unknown.
Water flow. The rivers of NSW have naturally irregular flow regimes with long periods of drought punctuated with substantial floods. Native flora and fauna have adapted to natural flows over thousands of years. Periods of low and high flow support a rich diversity of organisms and habitats and have an important ecological function. The greatest threat to native fish has been the construction of large dams and weirs on rivers to regulate their flow for access as urban and rural water supplies.