MiddleOne
Yellowfin Mojarra
Gerres cinereus

https://cuba.observation.org/waarneming/view/142611343

Ray-finned Fishes
Class Actinopterygii
Family: Clupeidae Herrings, shads, sardines, menhadens
http://www.fishbase.org/identification/SpeciesList.php?class=&order=&famcode=43&subfamily=&genus=&areacode=&c_code=192&spines=&fins=&resultPage=1&sortby=species

Also, the one in the middle isn't a shad/herring, not sure what species
he one in the middle is a mojarra. The other two are clupeids and probably in the genus Harengula.
Yellowfin Mojarra
Gerres cinereus

https://www.inaturalist.org/observations/7259673

https://www.inaturalist.org/observations/15617184

Gerres cinereus
Yellowfin Mojarra
The middle fish. I don't know about the other two. https://observation.org/waarneming/view/142172955