''Hoplerythrinus gronovii'' is a species of trahira (family

Erythrinidae The Erythrinidae are a family of fishes found in rivers and other freshwater habitats from Costa Rica south as far as Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the s ...

). It is a

tropical The tropics are the regions of Earth surrounding the Equator. They are defined in latitude by the Tropic of Cancer in the Northern Hemisphere at N and the Tropic of Capricorn in the Southern Hemisphere at S. The tropics are also referred to ...

pelagic The pelagic zone consists of the water column of the open ocean, and can be further divided into regions by depth (as illustrated on the right). The word ''pelagic'' is derived . The pelagic zone can be thought of as an imaginary cylinder or wa ...

freshwater fish Freshwater fish are those that spend some or all of their lives in fresh water, such as rivers and lakes, with a salinity of less than 1.05%. These environments differ from marine conditions in many ways, especially the difference in levels of s ...

. The fish is named in honor of the Dutch naturalist

Laurens Theodorus Gronovius Laurens Theodoor Gronovius (1 June 1730 – 8 August 1777), also known as Laurentius Theodorus Gronovius or as Laurens Theodoor Gronow, was a Dutch naturalist born in Leiden. He was the son of botanist Jan Frederik Gronovius (1686–1762). Throu ...

(who was also known as Gronow, 1730-1777), who apparently illustrated this species in his book Museum ichthyologicum (1754-1756).

References

Erythrinidae Taxa named by Achille Valenciennes Fish described in 1847 {{Characiformes-stub