similar Similarities in disparate spcies of killifish bra-fas cat-lyr Episemion callipteron and Rivulus lyricauda cav-agt Roloffia and a South American Annual fra-goby A. franzweneri and a goby ill-moe kue-occ mbu-cya ofa-kuz pry-mor riv-rol Rivulus and Roliffia sjo-tail Gularis tail spe-mam str-mah The Rivulus that mimics an Aphyosemion tsu-dub Although it's well understood African and South American killifish split off about 250 million years ago rates of evolution are not the same everywhere. If they evolved very slowly, which some do (some don't) then we mught expect to fine related fish that still share an ancestral color pattern. These are all examples of this.

ref Selected reading in killifish evolution biology diapause ecology Set and setting of a species evo Evolutionary trends within the clade geography taxa ICZN Taxonomy.