Atheriniformes - Article from Wikipedia on this order of ray-finned fish, their description and taxonomy. The Life History of the California Jack Smelt, Atherinopsis californiensis - Article from UC Libraries. Silverside: Menidia menidia - Drawing, description, habits, biology and range. Zono: Bedotia geayi - Photographs and information from ARKive on this rare Madagascan freshwater species. Katrana: Rheocles alaotrensis - Photograph and information from ARKive including classification, status, description, range, habitat, biology, threats and conservation. Rheocles: Rheocles vatosoa - Photographs and information from ARKive including classification, status, description, range, habitat, biology, threats and conservation.