DeLong, Caroline M Small and large number discrimination in goldfish (Carassius auratus) with extensive training. [electronic resource] - Behavioural processes Aug 2017 - 172-183 p. digital Publication Type: Journal Article ISSN: 1872-8308 Standard No.: 10.1016/j.beproc.2016.11.011 doi Subjects--Topical Terms: AnimalsDiscrimination Learning--physiologyGoldfish--physiologyMathematicsPhotic Stimulation