Hoplerythrinus cinereus is a species of trahira (family Erythrinidae).

[2] It is a tropical, pelagic freshwater fish which is known from the Island of Trinidad off northeastern Venezuela.

Males can reach a maximum standard length of 20.2 cm (8.0 in).

Gill in 1858, as a species of Hoplerythrinus.

[3] It was listed as a valid species of Erythrinus by Osvaldo Takeshi Oyakawa in 2003.