Fishery advisory systems play a vital role in improving productivity, sustainability and livelihoods in the fisheries sector by enabling fishers to access timely and relevant information. Traditionally, fisheries extension has relied on field visits, demonstrations and training programmes to disseminate scientific knowledge. While effective in building trust and facilitating adoption, these approaches often face limitations related to reach, cost and timeliness. In recent years, participatory extension models and digital technologies such as mobile phones, apps and online platforms have transformed the way advisory services are delivered. This article traces the evolution of fishery extension from conventional field-based approaches to ICT-enabled advisory systems, highlighting emerging tools, changing roles of extension professionals, key challenges and future directions. The article emphasizes the need for integrated, inclusive and adaptive advisory systems to support sustainable and resilient fisheries.