The provision of fish passage in Australia has traditionally focussed on adult and sub-adult fish of a number of iconic species such as murray cod, golden perch, barramundi and mullet. However, there are a wide range of other species whose post lavae juveniles are undertaking upstream migrations from estuarine habitats into lowland freshwater habitats in Queensland. Species such as empire gudgeons, long-finned eels, bony bream, anchovies, mangrove jack, striped mullet and barramundi have juveniles that are very small when entering freshwater. These fish are often encountering barriers when they are as small as 8mm long, with their successful passage crucial to reducing predation rates and maximising productivity of the species. In extreme cases barriers can completely block these life stages and lead to a collapse in the species populations within a catchment. Providing passage for these extremely small fish has required a rethink of traditional fish passage options, with a focus on very low turbulence and roughened fishways that cater for the micro habitats that these fish use to move upstream. We outline the options available for provision of fish passage for these fish and how they have successfully have been used at sites throughout Queensland.