Atherinella crystallina
Atherinella crystallina is a species of Neotropical silversides (Atherinopsidae). It is found from the Río Sinaloa to Río Verde, Jalisco, Sinaloa, Mexico. It is normally a freshwater species but it also occurs in estuaries as deep as . Their food includes zooplankton, pelagic fish larvae and pelagic fish eggs. "A. crystallina" was described as "Thyrina crystallina" by David Starr Jordan and George Bliss Culver in 1895 from types collected from the Río Presidio in Sinaloa, western Mexico.