Corrections
This is wrong.
Thirty-nine reviewed groups and seventy-four cues, drawn and written by people who are not standing in your river. Some of it will be wrong, and the drawings are the most likely place — they are authored illustrations, not photographs of your water.
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Overview
One more piece of housekeeping. Sculpin get blamed for eating trout eggs, and they do eat fish eggs. But Missouri's field guide says sculpins do not feed to any great extent on trout eggs and young, and a southwest Montana study reported in Montana's field guide found bottom-dwelling aquatic insects made up 99.7 per cent of the diet. No consulted source makes a population-level claim, and this entry does not make one either.
Cited for this statement: ADFG-SLIMY-SCULPIN, MDC-MOTTLED-SCULPIN, MTFG-ROCKY-MTN-SCULPIN. Evidence scope: 99.7%: one southwest Montana study. The report names this statement exactly, so nobody has to find it again.
The whole report, exactly as it would travel
HATCH MATCH — CORRECTION REPORT Application: HTH-HM-001 Build: 0.19.1 · f244e24 Carrier schema: 11 Reference reviewed: 2026-09-25 Reported: 2026-11-06 Kind: not stated Subject: Sculpin Record id: hm-sculpin-forage-v1 Claim: guide.overview.2 Page: /guide/sculpin WHAT THE REFERENCE SAYS NOW One more piece of housekeeping. Sculpin get blamed for eating trout eggs, and they do eat fish eggs. But Missouri's field guide says sculpins do not feed to any great extent on trout eggs and young, and a southwest Montana study reported in Montana's field guide found bottom-dwelling aquatic insects made up 99.7 per cent of the diet. No consulted source makes a population-level claim, and this entry does not make one either. Cited sources: ADFG-SLIMY-SCULPIN, MDC-MOTTLED-SCULPIN, MTFG-ROCKY-MTN-SCULPIN WHAT IS WRONG (not stated) WHAT IT SHOULD SAY (not stated) SOURCE (none given) Written locally. It contains only what the reporter typed — nothing was gathered automatically.
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A correction changes the reference set only after it has been checked against a source. Where a claim cannot be supported either way, the entry loses the claim rather than gaining a hedge — an unsupported sentence removed is a better reference than an unsupported sentence qualified.