biology of gobies and eleotrids, fish cytogenetics, feeding ecology of sesarmids/grapsids, taxonomy of parathelphusid crabs, mangrove biodiversity and restoration, political ecology of community-based mangrove forest management and climate change adaptation, ICT in Governance (academic, basic political unit/barangay, ocean/coastal marine), ICT in re-engineering of schools and curriculum development, concept mapping in biology teaching