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Evidence

Where all of this came from.

39 reference records rest on 224 published pages, and 109 of those come from state and provincial natural-resources departments. That suits a set of records about what lives in the water those departments survey. The rest is federal survey work, university and extension guides, and interagency reports. The counts are below. Every reviewed line sits behind a record or a search, with the sources standing behind its record.

Carrier reviewed
2026-09-25
Next review due
2026-12-24
Review cadence
90 days
Publication state
Approved — reviewed evidence, within its review cadence

How to read this

A line is cited as precisely as someone checked it.

Where a reviewer traced a line to the pages that carry it, the line names those pages and, when the evidence is narrower than the record, where it comes from — one coast, one lake, one region. 605 of 1049 of the lines below are traced that way. The rest show the sources standing behind their whole record, marked “record’s sources”, because nobody has yet checked which page carried which line, and printing a single citation there would be a mapping nobody made.

  • National

    52

    A federal or national government body — USGS, NOAA, EPA, the Fish and Wildlife Service, the Park Service, Fisheries and Oceans Canada.

  • State

    109

    A state, provincial or commonwealth natural-resources department. Most of this carrier rests here, which suits it: these are the bodies that survey the water the records describe.

  • Interagency

    12

    A commission or joint survey run across several agencies, such as the Great Lakes Fishery Commission's forage task groups.

  • University

    45

    A university research programme, cooperative extension service or Sea Grant office. Published work, but not the agency that manages the water.

  • Journal

    6

    A peer-reviewed paper, or a curated scientific register such as the World Register of Marine Species. Added with the 2026-09-25 evidence review, which went to the primary study where no agency page said what a claim needed.

Probe leftovers

What the weekly check could not treat as ordinary.

These addresses are still the citations. The check named what it saw. None of them is a gone page in the MISIN sense, so the records were not rewritten to hide a redirect, a timeout, or a bot wall.

  • Iowa DNR — BluegillMoved

    The cited address answers through a permanent redirect. GET on the page that lands still names Bluegill.

    A same-site move that still names the animal is not the MISIN case. The citation stays until a reviewer reads the new address into the record.

  • CASG — market squidUnreachable from this network

    The California Sea Grant market-squid page times out from the probe network.

    NOAA still covers the same animal on this record. The CASG address stays; a timeout is not a reason to drop a citation.

  • Mass.gov — menhaden and longfin squidRefused the probe

    Both creature-feature pages answered 403 from the probe network.

    A bot wall is not evidence the page is gone. The citations stay; the weekly check does not fail the build on unverifiable.

  • Michigan DNR — crayfish identification PDFRefused the probe

    The cited PDF answered 403 from the probe network.

    A refused PDF is not a 404. The citation stays on the crayfish record until a reviewer can open it.

  • Smithsonian Tropical Research Institute — silversidesRefused the probe

    The Menidia page answered 500 from the probe network.

    A 500 is not a 404, and it is not a 403. The citation stays.

Showing 28 of 1049 claims and 6 of 224 sources.

Claims

Every reviewed line in the app.

  • Killifish (mummichog and striped killifish) →28 lines

    • What you can seeIn the mummichog, a single dorsal fin with no spines, and pelvic fins set well back near the anal finSCDNR-MUMMICHOGEvidence from: mummichog only
    • What you can seeIn the mummichog, a flattened head with the mouth tilted upward and the lower lip jutting past the upperSCDNR-MUMMICHOG, CBP-MUMMICHOGEvidence from: mummichog only
    • What you can seeMummichog tail rounded or squared off — not forkedCBP-MUMMICHOGEvidence from: mummichog only
    • What you can seeMummichog females carry twelve to fifteen dusky vertical bars, which fade as large females grow; males about fifteen silvery bars, with yellow fins and blue or orange marks when breedingCBP-MUMMICHOG, SCDNR-MUMMICHOG
    • What you can seeStriped killifish are marked the other way round by sex: males carry fifteen to twenty vertical bars, females two or three irregular horizontal stripes with a few vertical bars near the tailCBP-STRIPED-KILLIFISH
    • What argues against itA forked tail rules out a mummichog, whose tail is rounded or squared off; no consulted source describes the striped killifish's tailCBP-MUMMICHOGEvidence from: mummichog
    • What argues against itTwo well-separated dorsal fins and a blunt head with a small terminal mouth is a young mulletrecord’s sources
    • What argues against itA bright thick silver side stripe with two dorsals is a silversiderecord’s sources
    • What argues against itHorizontal barring is not attributed to mummichogs of either sex by any source consulted; on a killifish it points to a female striped killifishrecord’s sources
    • Declared limitNo source consulted compares killifish to young mullet or to silversides — the two look-alikes an angler actually faces in a marsh creek. One assessment notes striped killifish occur in mixed-species schools in intertidal pools, which makes this the largest gap in the record.NYSDEC-STRIPED-KILLIFISH-SSA
    • Declared limitNo source consulted states the striped killifish's dorsal fin count or tail shape. The single spineless dorsal is stated for the mummichog only.record’s sources
    • Declared limitMummichogs feed at the surface, in mid-water and on the bottom, and their upturned mouth is described as built for surface feeding; no source consulted describes what that looks like from the bank.SCDNR-MUMMICHOG, NYSDEC-MUMMICHOG-SSA
    • Declared limitSouth Carolina DNR notes mummichogs are locally called mud minnows; “bull minnow” appears in no consulted source.SCDNR-MUMMICHOG
    • Size bandyoung-of-year: 20-64 mmSCDNR-SWAP-MUMMICHOG, NYSDEC-STRIPED-KILLIFISH-SSA
    • Size bandadult: 64-203 mmCBP-STRIPED-KILLIFISH, NYSDEC-STRIPED-KILLIFISH-SSAEvidence from: upper edge is striped killifish
    • Water typeinshorerecord’s sources
    • Water typesurfrecord’s sources
    • Life stageyoung-of-yearrecord’s sources
    • Life stageadultrecord’s sources
    • Where it sitsmuddy marshes, tidal creeks, grass flats and sheltered shoresrecord’s sources
    • Where it sitstight to the bank — one assessment measures a summer home range of 36 to 38 metres along one side of a creekNYSDEC-MUMMICHOG-SSAEvidence from: mummichog
    • Where it sitsstriped killifish rarely more than a hundred yards from shore, and into the front of the beachCBP-STRIPED-KILLIFISH, NYSDEC-STRIPED-KILLIFISH-SSA
    • How it movesschools of a few fish to several hundredrecord’s sources
    • How it movesa stranded striped killifish can flop head over tail across land for several yards to reach waterCBP-STRIPED-KILLIFISH
    • How it movesmummichogs burrow in mud or move deeper for winter; striped killifish burrow into sediment and staySCDNR-MUMMICHOG, NYSDEC-STRIPED-KILLIFISH-SSA
    • Sources disagreeMummichog barring by sex is stated two ways. The Chesapeake Bay Program gives females twelve to fifteen dusky vertical bars; South Carolina DNR says the markings disappear as females grow, and its action-plan account says males carry vertical bars that females lack, with very small fish of both sexes barred. Barring is not used here as a sex character.record’s sources
    • Sources disagreeMummichog maximum size is stated three ways — 12 cm, 17.8 cm, and five to six inches — by two agencies, one of them disagreeing with itself.record’s sources
    • Sources disagreeRange is stated two ways. New York's assessments and South Carolina's action-plan account carry the mummichog to the Gulf coast of Texas and the striped killifish into the northern Gulf; South Carolina's species gallery ends the mummichog at northern Florida and the Chesapeake Bay Program ends the striped killifish in Florida.record’s sources

The pages themselves

All 224, and what each one is holding up.

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