{"id":11814,"date":"2020-06-22T13:41:26","date_gmt":"2020-06-22T12:41:26","guid":{"rendered":"https:\/\/fishingwales.net\/species\/brithyll-mor\/"},"modified":"2020-06-22T14:19:42","modified_gmt":"2020-06-22T13:19:42","slug":"brithyll-mor","status":"publish","type":"species","link":"https:\/\/fishingwales.net\/cy\/species\/brithyll-mor\/","title":{"rendered":"Sewin &#8211; Brithyll m\u00f4r"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><em>Salmo trutta<\/em> (Brithyll Brown a redir ar y m\u00f4r)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mae brithyll m\u00f4r neu sewin yn ffurf fudol o frithyll Brown. Treulir eu bywydau fel oedolion yn bwydo yn y m\u00f4r. Maent yn dychwelyd i afonydd Cymru i fridio bob blwyddyn \u2013 fel arfer yn ystod misoedd yr haf. <br><br>Mae sewin ffres yn lliw arian, ond yn y pen draw mae&#8217;n dywyll ac yn dechrau ymddangos yn fwy fel Brithyll Brown yn yr Hydref. <br><br>Gall brithyll m\u00f4r amrywio o ran maint o ysgol 30cm yr holl ffordd i 80cm Plus angenfilod a all bwyso 10kg. Maent yn gyffredin mewn llawer o afonydd yng Nghymru, yn enwedig y rhai \u00e2 maetholion gwael a llednentydd da-Mae afonydd brithyll m\u00f4r da yn tueddu i fod yn wael yn gyffredinol<strong> <\/strong>afonydd brithyll. <br><br>Yr afonydd gorau yw&#8217;r Tywi a&#8217;r isafonydd, yn ogystal \u00e2&#8217;r afon Dyfi a&#8217;r Teifi. Mae llawer o rai eraill gyda rhediad da, gan gynnwys Aberogwr, Rheidol, Glaslyn, Tawe, Mawddach a Chonwy. <br><br>Mae brithyll m\u00f4r yn cael eu pysgota am nos yng Nghymru fel arfer, gan ddefnyddio technegau pysgota plu.<\/p>\n","protected":false},"featured_media":1867,"template":"","fishing_type":[182],"class_list":["post-11814","species","type-species","status-publish","has-post-thumbnail","hentry","fishing_type-game"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sewin - Brithyll m\u00f4r - Fishing in Wales<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fishingwales.net\/species\/sea-trout\/\" \/>\n<meta property=\"og:locale\" content=\"cy_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sewin - Brithyll m\u00f4r - Fishing in Wales\" \/>\n<meta property=\"og:description\" content=\"Salmo trutta (Brithyll Brown a redir ar y m\u00f4r) Mae brithyll m\u00f4r neu sewin yn ffurf fudol o frithyll Brown. ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/fishingwales.net\/species\/sea-trout\/\" \/>\n<meta property=\"og:site_name\" content=\"Fishing in Wales\" \/>\n<meta property=\"article:modified_time\" content=\"2020-06-22T13:19:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/fishingwales.net\/wp-content\/uploads\/2020\/03\/Sea-trout.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2560\" \/>\n\t<meta property=\"og:image:height\" content=\"1818\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/fishingwales.net\\\/species\\\/sea-trout\\\/\",\"url\":\"https:\\\/\\\/fishingwales.net\\\/species\\\/sea-trout\\\/\",\"name\":\"Sewin - Brithyll m\u00f4r - Fishing in Wales\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/fishingwales.net\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/fishingwales.net\\\/species\\\/sea-trout\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/fishingwales.net\\\/species\\\/sea-trout\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/fishingwales.net\\\/wp-content\\\/uploads\\\/2020\\\/03\\\/Sea-trout.jpg\",\"datePublished\":\"2020-06-22T12:41:26+00:00\",\"dateModified\":\"2020-06-22T13:19:42+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/fishingwales.net\\\/species\\\/sea-trout\\\/#breadcrumb\"},\"inLanguage\":\"cy-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/fishingwales.net\\\/species\\\/sea-trout\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"cy-GB\",\"@id\":\"https:\\\/\\\/fishingwales.net\\\/species\\\/sea-trout\\\/#primaryimage\",\"url\":\"https:\\\/\\\/fishingwales.net\\\/wp-content\\\/uploads\\\/2020\\\/03\\\/Sea-trout.jpg\",\"contentUrl\":\"https:\\\/\\\/fishingwales.net\\\/wp-content\\\/uploads\\\/2020\\\/03\\\/Sea-trout.jpg\",\"width\":2560,\"height\":1818,\"caption\":\"Sea trout fishing in wales\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/fishingwales.net\\\/species\\\/sea-trout\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/fishingwales.net\\\/cy\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Species\",\"item\":\"https:\\\/\\\/fishingwales.net\\\/species\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Sewin &#8211; 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