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The study explores whether the visual abilities of Taiwan's closely related bitterlings, Paratanakia himantegus himantegus and Paratanakia himantegus chii, correspond with their habitats' photic parameters and correlate with nuptial colorations. Topics covered include the subspecies' different visual spectral sensitivities and nuptial coloration, their habitats' ambient light spectra, and potential role of ultra violet (UV) light in the fishes' visual communication and gender identification.

The article discusses a study which analyzed the phylogeny of freshwater eel Anguilla huangi, which were collected from the Cagayan River estuary, Northern Luzon, Philippines. The freshwater eels were reared in Taiwan for five years. The complete mitochondrial genome of the ell was sequences and a phylogeny of all freshwater eel species and subspecies was created using molecular and morphological information. Study authors concluded that the phylogeny of freshwater eels is better represented by polytomies, that are derived from multiple radiation.