This fish shouldn’t exist — the weird genetics of clonal vertebrates

Nature, Published online: 11 March 2026; doi:10.1038/d41586-026-00798-0A study reveals how the asexual Amazon molly defies evolutionary expectations — plus, evidence of what might be powering superluminous supernovae.

This fish shouldn’t exist — the weird genetics of clonal vertebrates
This fish shouldn’t exist — the weird genetics of clonal vertebrates Photo: Nature News

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00:46 Unravelling the genetics of an asexual fish that should be extinct
Research Article: Ricemeyer et al.

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