We publish our audit record because accuracy claims should be checkable. Every entry on this site runs through an automated fact-audit pipeline (accuracy audit → source-grounded repair → visual QA); this page is generated from that pipeline's own report, not written by hand.
Last full accuracy audit: 2026-08-28 · 10 entries checked · 3 flagged · 5 issues confirmed · 3 corrected · 2 still open
Acanthodii — The claim that acanthodian fins had a 'wide, bony base' is misleading; the fin bases were cartilaginous with bony spines, not a bony base like in osteichthyans.
Acanthodii — The claim that the earliest unequivocal acanthodian fossils date from the Late Silurian, some 50 million years before the first sharks appeared, is inaccurate; the actual gap is much smaller, roughly 0–10 million years.
Agnatha — The entry states 'The earliest definitive gnathostome fossils appear in the early Silurian,' but the earliest definitive gnathostome fossils are from the late Silurian (Ludlow epoch), not the early Silurian.
Goldfish — The largest recorded goldfish size is not 19 inches; a larger 20.4-inch specimen was recorded in Australia in 2019.
Goldfish — The claim that goldfish hybrids with koi and common carp are 'typically sterile, not necessarily fertile' is misleading because some hybrids can be fertile.
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