Rhomboides
Rhomboides refers to a genus of freshwater fish belonging to the family Characidae, commonly known as tetras. These small, schooling fish are native to South America, inhabiting various river basins. The most well-known species within this genus is likely the Serpae tetra (Hyphessobrycon eques), though the term "rhomboides" itself can also be used more broadly in relation to fish with a diamond or rhomboid shape, particularly when describing the body outline.
Fish within the genus Rhomboides are characterized by their relatively small size, typically reaching a few