[], (Noun)

Definitions:
- Originally: a fish of the former genus Panchax of small Old World tropical killifishes (family Poeciliidae); (in form Panchax) the genus itself. In later use more widely: any of numerous killifishes, especially of the genus Aplocheilus, and including many popular aquarium species.


Phrases:

Origin:
early 19th century. From scientific Latin panchax, specific name, later also a former genus name, of uncertain origin; perhaps from ancient Greek πάγχυ wholly, entirely (ultimately from πάς all, although the suffixation is unclear); apparently so called on account of the entirety of the tail fin