What characteristic is generally associated with the large-egg species restricted to inland streams among *Rhinogobius* relatives?

Answer

Higher total vertebrae counts

The research noted a pattern where species inhabiting inland streams, like the two new large-egg gobies, tend to possess higher total vertebrae counts compared to some coastal relatives.

What characteristic is generally associated with the large-egg species restricted to inland streams among *Rhinogobius* relatives?
speciesdiscoveryfishgoby