{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.goldfish","code":"thing-q123141","url":"https://ver.cy/models/thing/q123141/","name":"goldfish","alternateNames":["shonai goldfish","Tsugaru Nishiki","Tosakin","common goldfish","Celestial Eye","egg-fish goldfish","pompom","curled-gill goldfish","meteor goldfish","telescope eye","Black Moor"],"kind":"thing","status":"published","version":"0.2.0-wave.2","language":"en","classifiers":{"family":"Thing Registry","category":"Physical world and living systems","entryKind":"thing","plane":"PHY","domain":["PHY.LIV"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"The goldfish, Carassius auratus, is a species of freshwater fish distinct from the Prussian carp, Carassius gibelio, domesticated in China over a thousand years ago and bred into many ornamental varieties, from the common goldfish to fancy forms such as the Tosakin, Celestial Eye, egg-fish and regional Japanese varieties such as Shonai and Tsugaru Nishiki; goldfish are among the most popular pet fish, can live for decades with proper care, and are also an invasive species where released.","purpose":"Let an agent explain goldfish varieties and their care, correct myths about their needs and lifespan, describe breeding and history with attribution, and address welfare and environmental issues.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Goldfish are Carassius auratus, distinct from Prussian carp, Carassius gibelio.","Goldfish have many ornamental varieties.","Goldfish can be long-lived with proper care.","Released goldfish can become invasive."],"structure":{"bundles":[{"id":"care","name":"Care","description":"Keeping goldfish.","layers":[{"id":"setup","name":"Setup","description":"Tank and water.","findings":[{"id":"setup-finding","name":"Setup","description":"Setup.","questions":[{"text":"What tank size, filtration, water parameters and diet do goldfish need, according to welfare guidance?","kind":"provenance"},{"text":"Why are bowls unsuitable?","kind":"provenance"}]}]},{"id":"health","name":"Health","description":"Health problems.","findings":[{"id":"health-finding","name":"Health","description":"Health.","questions":[{"text":"What are common goldfish health problems and their causes, and when is a vet needed?","kind":"provenance"},{"text":"Is a fish in distress now?","kind":"boundary"}]}]}]},{"id":"varieties","name":"Varieties","description":"Kinds of goldfish.","layers":[{"id":"identify","name":"Identify","description":"Identifying a variety.","findings":[{"id":"identify-finding","name":"Identify","description":"Identification.","questions":[{"text":"What variety is this goldfish, judging by body, fins, eyes and colour, and what are its care needs?","kind":"definition"},{"text":"Which entry fits a specific variety?","kind":"action"}]}]},{"id":"welfare","name":"Welfare","description":"Variety welfare.","findings":[{"id":"welfare-finding","name":"Welfare","description":"Welfare.","questions":[{"text":"Which fancy varieties have documented welfare problems, and what do welfare bodies advise?","kind":"provenance"},{"text":"Is the presentation balanced?","kind":"boundary"}]}]}]},{"id":"breed","name":"Breed","description":"Breeding and shows.","layers":[{"id":"breeding","name":"Breeding","description":"Breeding goldfish.","findings":[{"id":"breeding-finding","name":"Breeding","description":"Breeding.","questions":[{"text":"How are goldfish bred and raised, and how are varieties maintained?","kind":"provenance"},{"text":"Which show standards apply?","kind":"provenance"}]}]},{"id":"environment","name":"Environment","description":"Release and invasiveness.","findings":[{"id":"environment-finding","name":"Environment","description":"Environment.","questions":[{"text":"Why is releasing goldfish harmful, and what are the rules and alternatives for rehoming?","kind":"provenance"},{"text":"Where are goldfish invasive?","kind":"provenance"}]}]}]},{"id":"history","name":"History","description":"History and culture.","layers":[{"id":"history","name":"History","description":"History of the goldfish.","findings":[{"id":"history-finding","name":"History","description":"History.","questions":[{"text":"How were goldfish domesticated in China and developed in Japan and elsewhere, according to historians?","kind":"provenance"},{"text":"Which varieties are regional heritage?","kind":"provenance"}]}]},{"id":"myths","name":"Myths","description":"Myths.","findings":[{"id":"myths-finding","name":"Myths","description":"Myths.","questions":[{"text":"Which myths about goldfish memory and lifespan are refuted by evidence?","kind":"provenance"},{"text":"How long can goldfish live?","kind":"provenance"}]}]}]}]},"agentConduct":{"may":["Monitor water quality, temperature and feeding for a goldfish on its keeper's instructions.","Advise on tank size and filtration from reputable fish care sources."],"mustNot":["Recommend keeping a goldfish in an unfiltered bowl.","Release a goldfish into ponds, rivers or lakes.","Promote breeding of varieties whose traits cause the fish suffering.","Give medication to a fish without guidance from a vet or experienced keeper."],"requiresHuman":["Euthanising a sick goldfish or giving it away."]},"ethics":{"considerations":["Goldfish are often kept in poor conditions because they are seen as disposable.","Released goldfish can become invasive and harm native wildlife."],"affectedParties":["The fish","Keepers","Native freshwater ecosystems"]},"owners":{"steward":"The person who keeps it.","roles":[],"masterSystems":[]},"relations":[{"target":"Q39201","type":"parent","note":"registry parent class"},{"target":"Q74744464","type":"parent","note":"registry parent class"},{"target":"pet fish","type":"related","note":"category"},{"target":"domesticated animal","type":"related","note":"category"},{"target":"goose","type":"related","note":"another domesticated animal"},{"target":"solution","type":"related","note":"water chemistry"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.goldfish","Wikidata: Q123141 (https://www.wikidata.org/wiki/Q123141)"]},"properties":{"applicability":"required","items":["Total body length:  cm - Measure from the snout to the end of the caudal fin, recording the variety because body and fin proportions differ substantially.","Body mass:  g - Measure with a suitable tared weighing container under handling conditions that protect fish welfare.","Maximum body depth:  cm - Measure the greatest vertical depth of the body excluding fins, preferably from a calibrated side image."]},"recognition":{"applicability":"required","items":["Domesticated ornamental carp","Many fancy varieties","Koi are a different domesticated carp","A carp-like fish in gold, orange, red, white or black, in many body and fin shapes."]},"capabilities":{"applicability":"required","items":["explain varieties","support proper care","correct myths","describe breeding, history and environmental issues"]},"hazards":{"applicability":"required","items":["Keeping in bowls without filtration","Release into wild waters","Welfare problems in extreme varieties"]},"interfaces":{"applicability":"required","items":["Animal welfare rules for pet fish","Rules on release of non-native species","Show standards of goldfish societies"]},"context":{"applicability":"required","items":["A popular ornamental pet fish.","common and comet goldfish","fancy goldfish such as fantail, oranda and ranchu","Japanese regional varieties such as Tosakin and Shonai goldfish","eye variants such as Celestial Eye and telescope","egg-fish and tailless varieties"]}},"sources":[{"title":"Wikidata item Q123141: goldfish","url":"https://www.wikidata.org/wiki/Q123141","note":"identity and sense of the item"},{"title":"Wikipedia: Goldfish","url":"https://en.wikipedia.org/wiki/Goldfish","note":"general description of the item"}],"openQuestions":["Should each variety be a separate entry?","How should care guides be linked?","How should invasive species rules be localised?"],"resources":{"spec":"/models/things/publications/thing-q123141/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q123141/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-11T22:32:03Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"filled","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-07T12:16:28+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass"},"score":1.0}}