Killi
   
curve
Killifish that may look the same but are really very much not, often being from entirely different continents.

cat-lyr

Episemion callipteron and Rivulus lyricauda


cav-agt

Roloffia and a South American Annual

Leptolebias auroguttatus and Scriptaphyosemion cauveti.


fra-goby
A. franzweneri and a goby

The "goby killie" and a real goby have an eerily similar color pattern. Aphyosemion franzweneri and Mugilogobius mertoni.


riv-rol

Rivulus and Roliffia

Rivulus and Scriptaphyosemion.


sjo-tail

Gularis tail

Why do so many killifish have the same tail fin?


str-mah

The Rivulus that mimics an Aphyosemion

Aphyosemion striatum and Rivulus mahadensis.


Homologous Killifish






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