Marine Fishes and Shell Fishes of the Nigerian Coastal Environments
This is another useful coastal biodiversity dataset, focused on marine fish and shellfish records. The publisher is University of Lagos and the licence is explicitly CC BY 4.0
Biodiversity of Bayelsa Coastal Communities, Nigeria
This one is particularly nice for GeoHubNG because it gives us Bayelsa-specific biodiversity data. The GBIF record identifies the University of Calabar as publisher and confirms CC BY 4.0.