{"topic_id":"evidence_exotic_crab_nutrition","category":"evidence","context":"---\ntopic_id: evidence_exotic_crab_nutrition\ncategory: evidence\ntitle: \"Pet hermit / terrestrial crab — diet & nutrition — representative studies (Europe PMC)\"\nlang: en\nsource: \"Europe PMC REST search (europepmc.org), query '(hermit crab OR pet crab OR captive crab OR terrestrial crab) AND (diet OR nutrition OR feeding OR husbandry)', 418 hits, pulled 2026-07-22\"\nsource_file: pdf-raw/evidence/europepmc_evidence_exotic_crab_nutrition_2026-07-22.txt\ndate_parsed: 2026-07-22\ntokens_estimated: 260\nverification:\n  method: paraphrase\n  claims: 15\n  passed: 15\n  date: 2026-07-22\nsource_document: \"Veterinary / medical evidence (guideline or study) — PMID 41650649\"\ncitation:\n  authority: \"Europe PMC\"\n  title: \"Pet hermit / terrestrial crab — diet & nutrition — representative studies (Europe PMC)\"\n  url: \"https://pubmed.ncbi.nlm.nih.gov/41650649/\"\n  retrieved: \"2026-07-22\"\n  ref: \"PMID 41650649\"\n  doc_type: \"official PDF\"\n  needs_review: false\ncopyright_note: \"Mixed licensing per COPYRIGHT_POLICY §3: Open Access (CC BY) studies retained verbatim with attribution; non-Open-Access studies paraphrased as derived fact summaries (numbers and proper nouns preserved, sentences rewritten).\"\nlicense: mixed\nauthority_tier: T2\nauthority_tier_basis: \"T2:oa-repo\"\nauthority_tier_date: 2026-08-04\n---\n\n# Pet hermit / terrestrial crab — diet & nutrition — representative studies (Europe PMC)\n\nSource: Europe PMC (Europe PubMed Central) REST search, query \"(hermit crab OR pet crab OR captive crab OR terrestrial crab) AND (diet OR nutrition OR feeding OR husbandry)\", 418 hits (2026-07-22). Each entry is a first-hand peer-reviewed study; the abstract opening is quoted verbatim from the publisher abstract. 3 representative studies below (filtered for species + nutrition relevance).\n\n1. PMID 41650649 — *[Paraphrased derived summary — non-Open-Access source.]* A study found that plastic leachates induced an appetitive (feeding-attraction) response in the helmet crab Telmessus cheiragonus — relevant to marine plastic pollution and foraging behavior of this crab species. (Source excerpt truncated at abstract opening.)\n2. PMID 40504838 — A comparative analysis of microplastic contamination in hermit crab Clibanarius rhabdodactylus Forest, 1953, inhabiting intertidal and subtidal Coastal habitat of Gujarat state. (PloS one, 2025). Abstract (opening): Microplastics (MPs) contamination has increased significantly due to inadequate plastic waste, leading to MPs infiltration in marine organisms. Crustaceans, especially the anomuran *[CC BY — Open Access, verbatim with attribution.]*\n3. PMID 39397859 — Ionic regulatory strategies of crabs: the transition from water to land. (Frontiers in physiology, 2024). Abstract (opening): Terrestrial crabs (brachyurans and anomurans) have invaded land following a variety of pathways from marine and/or via freshwater environments. This transition from water to land r *[CC BY — Open Access, verbatim with attribution.]*\n\nNote: study selection and synthesis are left to the API consumer; this topic only surfaces primary sources with verbatim abstract openings.\n\nSource text: `pdf-raw/evidence/europepmc_evidence_exotic_crab_nutrition_2026-07-22.txt` (Europe PMC REST + PubMed efetch, 2026-07-22).\n\n## License & attribution\n\nMixed licensing per COPYRIGHT_POLICY §3: Open Access (CC BY / CC BY-NC /\nCC BY-NC-ND) studies are reproduced verbatim with attribution under their specific\nCC license; non-Open-Access studies are paraphrased as derived fact summaries\n(numbers and proper nouns preserved, sentences rewritten). Original records:\n- https://pubmed.ncbi.nlm.nih.gov/39397859/\n- https://pubmed.ncbi.nlm.nih.gov/40504838/\n- https://pubmed.ncbi.nlm.nih.gov/41650649/\n","sources":["Europe PMC — Pet hermit / terrestrial crab — diet & nutrition — representative studies (Europe PMC) (retrieved 2026-07-22)"],"source":{"authority":"Europe PMC","title":"Pet hermit / terrestrial crab — diet & nutrition — representative studies (Europe PMC)","url":"https://pubmed.ncbi.nlm.nih.gov/41650649/","retrieved":"2026-07-22","ref":"PMID 41650649","doc_type":"official PDF","source_document":"Veterinary / medical evidence (guideline or study) — PMID 41650649","verification_file":"pdf-raw/evidence/europepmc_evidence_exotic_crab_nutrition_2026-07-22.txt"},"source_document":"Veterinary / medical evidence (guideline or study) — PMID 41650649","source_file":"pdf-raw/evidence/europepmc_evidence_exotic_crab_nutrition_2026-07-22.txt","trust":{"authority_tier":"T2","fidelity":"paraphrase","license":"mixed","display_grade":"B"},"tokens_estimated":260,"generated_at":null,"tip":"Use /api/v1/topics to discover more topics. /api/v1/nutrient for precise single-point queries. /api/v1/cross_compare for 2-3 standard comparisons."}