riverine

Adjective

riverine (comparative more riverine, superlative most riverine)

1. (literary) Of or pertaining to rivers, or located on or by a river; inhabiting a river or its surrounds.
   • "Indian legends would alone have been my guide, for I found that rumors of a strange land were common among all the riverine tribes."1912, Arthur Conan Doyle, The Lost World […], London; New York, N.Y.: Hodder and Stoughton, →OCLC
   • It is perhaps instructive to note that tropical riverine batagurids, although more similar to other river-dwelling lineages in reproductive patterns than to other semi-aquatic and terrestrial batagurids, still tend to have lower fecundities and bigger eggs relative to their body sizes than do the...2004, Don Moll, The Ecology, Exploitation and Conservation of River Turtles, page 46

   Synonyms:

   fluvial