atherinops affinis means Neotropical silversides, it's a tropical fish that can survive in both marine and freshwater aquariums.
D. P. Middaugh has written: 'Laboratory spawing of topsmelt, Atherinops affinis, with notes on culture and growth of larvae' -- subject(s): Topsmelt, Artificial spawning
Affinis is a Latin term that means "related" or "connected." It is often used in biological taxonomy to indicate organisms that are closely related or belong to the same genus.
Bryotropha affinis was created in 1828.
Lophocampa affinis was created in 1909.
Parasphendale affinis was created in 1913.
Xylodromus affinis was created in 1877.
Amblydoras affinis was created in 1855.
Huebneria affinis was created in 1810.
Corixa affinis was created in 1817.
Cresera affinis was created in 1909.
Periclimenes affinis was created in 1894.
Euthynnus affinis was created in 1849.