{"id":1877,"date":"2025-12-25T19:03:15","date_gmt":"2025-12-25T19:03:15","guid":{"rendered":"https:\/\/pufflin.nl\/?page_id=1877"},"modified":"2026-02-18T23:45:06","modified_gmt":"2026-02-18T23:45:06","slug":"grondels-herkennen","status":"publish","type":"page","link":"https:\/\/pufflin.nl\/duiken\/grondels-in-nederland\/grondels-herkennen\/","title":{"rendered":"Grondels herkennen"},"content":{"rendered":"<p>Best lastig:<\/p>\n<ul style=\"list-style-type: disc;\">\n<li>Vinnen: vaak platgedrukt<\/li>\n<li>Veel dezelfde schutkleuren<\/li>\n<li>kleurverschillen jong-ouder, man-vrouw, paaitijd<\/li>\n<\/ul>\n<p>Klik op een grondel om de slideshow te starten.<br \/>\nWerkt het niet op je mobiel, dan staan de slides ook hieronder.<\/p>\n<div class=\"rl-gallery-container rl-loading\" id=\"rl-gallery-container-1\" data-gallery_id=\"1991\"> <div class=\"rl-gallery rl-basicmasonry-gallery \" id=\"rl-gallery-1\" data-gallery_no=\"1\"> <div class=\"rl-gutter-sizer\"><\/div><div class=\"rl-grid-sizer\"><\/div> <div class=\"rl-gallery-item rl-gallery-item-width-4\" > <div class=\"rl-gallery-item-content\"> <a href=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/zwarte-grondel_kaart.jpg\" title=\"Zwarte grondel\" data-rl_title=\"Zwarte grondel\" class=\"rl-gallery-link\" data-rl_caption=\"Rugvinnen direct achter elkaar; 2e rugvin bijna tot aan staart; opvallend brede kop, bolle wangen, verdikte lippen\" data-rel=\"lightbox-gallery-1\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/zwarte-grondel_kaart.jpg\" width=\"1740\" height=\"600\" alt=\"\" \/><\/a> <\/div> <\/div> <div class=\"rl-gallery-item\" > <div class=\"rl-gallery-item-content\"> <a href=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Zwartbekgrondel_kaart.jpg\" title=\"Zwartbekgrondel\" data-rl_title=\"Zwartbekgrondel\" class=\"rl-gallery-link\" data-rl_caption=\"Zwarte vlek achterin de voorste rugvin\" data-rel=\"lightbox-gallery-1\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Zwartbekgrondel_kaart.jpg\" width=\"1740\" height=\"600\" alt=\"\" \/><\/a> <\/div> <\/div> <div class=\"rl-gallery-item\" > <div class=\"rl-gallery-item-content\"> <a href=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Naakthalsgrondel_kaaart.jpg\" title=\"Naakthalsgrondel\" data-rl_title=\"Naakthalsgrondel\" class=\"rl-gallery-link\" data-rl_caption=\"Serie rechthoekige donkere vlekken en donkere diagonale banden; 16 cm\" data-rel=\"lightbox-gallery-1\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Naakthalsgrondel_kaaart.jpg\" width=\"1740\" height=\"600\" alt=\"\" \/><\/a> <\/div> <\/div> <div class=\"rl-gallery-item\" > <div class=\"rl-gallery-item-content\"> <a href=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Paganel-kaart.jpg\" title=\"Paganelgrondel\" data-rl_title=\"Paganelgrondel\" class=\"rl-gallery-link\" data-rl_caption=\"Diagonale banden\" data-rel=\"lightbox-gallery-1\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Paganel-kaart.jpg\" width=\"1740\" height=\"600\" alt=\"\" \/><\/a> <\/div> <\/div> <div class=\"rl-gallery-item\" > <div class=\"rl-gallery-item-content\"> <a href=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/dikkopje_kaart.jpg\" title=\"Dikkopje\" data-rl_title=\"Dikkopje\" class=\"rl-gallery-link\" data-rl_caption=\"8-11 cm; gescheiden rugvinnen; brede kop met gezwollen wangen en lippen, taps toelopend lichaam.\" data-rel=\"lightbox-gallery-1\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/dikkopje_kaart.jpg\" width=\"1740\" height=\"600\" alt=\"\" \/><\/a> <\/div> <\/div> <div class=\"rl-gallery-item\" > <div class=\"rl-gallery-item-content\"> <a href=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Glasgrondel_kaart.jpg\" title=\"Glasgrondel\" data-rl_title=\"Glasgrondel\" class=\"rl-gallery-link\" data-rl_caption=\"4-6 cm; meerendeels kleurloos en transparant lichaam: wervelkolom (graat), zwemblaas en ingewanden zijn zichtbaar.\" data-rel=\"lightbox-gallery-1\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Glasgrondel_kaart.jpg\" width=\"1740\" height=\"600\" alt=\"\" \/><\/a> <\/div> <\/div> <div class=\"rl-gallery-item\" > <div class=\"rl-gallery-item-content\"> <a href=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/PontischeStroomgrondel_kaart.jpg\" title=\"Pontische stroomgrondel\" data-rl_title=\"Pontische stroomgrondel\" class=\"rl-gallery-link\" data-rl_caption=\"Spitsere kop, slank lichaam\" data-rel=\"lightbox-gallery-1\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/PontischeStroomgrondel_kaart.jpg\" width=\"1740\" height=\"600\" alt=\"\" \/><\/a> <\/div> <\/div> <div class=\"rl-gallery-item\" > <div class=\"rl-gallery-item-content\"> <a href=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/KaukasischeDwerggrondel_kaart.jpg\" title=\"Kaukasische dwerggrondel\" data-rl_title=\"Kaukasische dwerggrondel\" class=\"rl-gallery-link\" data-rl_caption=\"Max 5 cm; stompe kop, zeer korte neus\" data-rel=\"lightbox-gallery-1\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/KaukasischeDwerggrondel_kaart.jpg\" width=\"1740\" height=\"600\" alt=\"\" \/><\/a> <\/div> <\/div> <div class=\"rl-gallery-item\" > <div class=\"rl-gallery-item-content\"> <a href=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/KesslersGrondel_kaart.jpg\" title=\"Kesslers grondel\" data-rl_title=\"Kesslers grondel\" class=\"rl-gallery-link\" data-rl_caption=\"Grote afgeplatte kop: breder dan hoog\" data-rel=\"lightbox-gallery-1\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/KesslersGrondel_kaart.jpg\" width=\"1740\" height=\"600\" alt=\"\" \/><\/a> <\/div> <\/div> <div class=\"rl-gallery-item\" > <div class=\"rl-gallery-item-content\"> <a href=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Marmergrondel_kaart.jpg\" title=\"Marmergrondel\" data-rl_title=\"Marmergrondel\" class=\"rl-gallery-link\" data-rl_caption=\"Buisvormige neusopeningen\" data-rel=\"lightbox-gallery-1\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Marmergrondel_kaart.jpg\" width=\"1750\" height=\"600\" alt=\"\" \/><\/a> <\/div> <\/div> <div class=\"rl-gallery-item\" > <div class=\"rl-gallery-item-content\"> <a href=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Brakwatergrondel_kaart.jpg\" title=\"Brakwatergrondel\" data-rl_title=\"Brakwatergrondel\" class=\"rl-gallery-link\" data-rl_caption=\"Donker gepigmenteerde driehoekige vlek aan basis borstvinnen\" data-rel=\"lightbox-gallery-1\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Brakwatergrondel_kaart.jpg\" width=\"1740\" height=\"600\" alt=\"\" \/><\/a> <\/div> <\/div> <\/div> <\/div>\n<p>photos sourced from <a href=\"https:\/\/www.ravon.nl\/\">RAVON<\/a><br \/>\nmap credits: <a href=\"https:\/\/www.verspreidingsatlas.nl\/vissen\">RAVON\/ANEMOON Verspreidingsatlas Vissen<\/a><\/p>\n<h1>Zwarte grondel<\/h1>\n<div id=\"attachment_2032\" style=\"width: 1750px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/zwarte-grondel_kaart.jpg\" data-rel=\"lightbox-image-11\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2032\" class=\"wp-image-2032 size-full\" src=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/zwarte-grondel_kaart.jpg\" alt=\"\" width=\"1740\" height=\"600\" srcset=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/zwarte-grondel_kaart.jpg 1740w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/zwarte-grondel_kaart-300x103.jpg 300w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/zwarte-grondel_kaart-1024x353.jpg 1024w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/zwarte-grondel_kaart-768x265.jpg 768w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/zwarte-grondel_kaart-1536x530.jpg 1536w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/zwarte-grondel_kaart-500x172.jpg 500w\" sizes=\"auto, (max-width: 1740px) 100vw, 1740px\" \/><\/a><p id=\"caption-attachment-2032\" class=\"wp-caption-text\">Rugvinnen direct achter elkaar; 2e rugvin bijna tot aan staart; opvallend brede kop, bolle wangen, verdikte lippen<\/p><\/div>\n<h1>Zwartbekgrondel<\/h1>\n<div id=\"attachment_2026\" style=\"width: 1750px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Zwartbekgrondel_kaart.jpg\" data-rel=\"lightbox-image-12\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2026\" class=\"wp-image-2026 size-full\" src=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Zwartbekgrondel_kaart.jpg\" alt=\"\" width=\"1740\" height=\"600\" srcset=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Zwartbekgrondel_kaart.jpg 1740w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Zwartbekgrondel_kaart-300x103.jpg 300w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Zwartbekgrondel_kaart-1024x353.jpg 1024w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Zwartbekgrondel_kaart-768x265.jpg 768w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Zwartbekgrondel_kaart-1536x530.jpg 1536w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Zwartbekgrondel_kaart-500x172.jpg 500w\" sizes=\"auto, (max-width: 1740px) 100vw, 1740px\" \/><\/a><p id=\"caption-attachment-2026\" class=\"wp-caption-text\">Zwarte vlek achterin de voorste rugvin<\/p><\/div>\n<h1>Naakthalsgrondel<\/h1>\n<div id=\"attachment_2034\" style=\"width: 1750px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Naakthalsgrondel_kaaart.jpg\" data-rel=\"lightbox-image-13\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2034\" class=\"size-full wp-image-2034\" src=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Naakthalsgrondel_kaaart.jpg\" alt=\"\" width=\"1740\" height=\"600\" srcset=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Naakthalsgrondel_kaaart.jpg 1740w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Naakthalsgrondel_kaaart-300x103.jpg 300w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Naakthalsgrondel_kaaart-1024x353.jpg 1024w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Naakthalsgrondel_kaaart-768x265.jpg 768w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Naakthalsgrondel_kaaart-1536x530.jpg 1536w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Naakthalsgrondel_kaaart-500x172.jpg 500w\" sizes=\"auto, (max-width: 1740px) 100vw, 1740px\" \/><\/a><p id=\"caption-attachment-2034\" class=\"wp-caption-text\">Serie rechthoekige donkere vlekken en donkere diagonale banden; 16 cm<\/p><\/div>\n<h1>Paganelgrondel<\/h1>\n<div id=\"attachment_2149\" style=\"width: 1750px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Paganel-kaart.jpg\" data-rel=\"lightbox-image-14\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2149\" class=\"size-full wp-image-2149\" src=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Paganel-kaart.jpg\" alt=\"\" width=\"1740\" height=\"600\" srcset=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Paganel-kaart.jpg 1740w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Paganel-kaart-300x103.jpg 300w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Paganel-kaart-1024x353.jpg 1024w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Paganel-kaart-768x265.jpg 768w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Paganel-kaart-1536x530.jpg 1536w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Paganel-kaart-500x172.jpg 500w\" sizes=\"auto, (max-width: 1740px) 100vw, 1740px\" \/><\/a><p id=\"caption-attachment-2149\" class=\"wp-caption-text\">Diagonale banden<\/p><\/div>\n<h1>Dikkopje<\/h1>\n<div id=\"attachment_2047\" style=\"width: 1750px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/dikkopje_kaart.jpg\" data-rel=\"lightbox-image-15\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2047\" class=\"size-full wp-image-2047\" src=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/dikkopje_kaart.jpg\" alt=\"\" width=\"1740\" height=\"600\" srcset=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/dikkopje_kaart.jpg 1740w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/dikkopje_kaart-300x103.jpg 300w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/dikkopje_kaart-1024x353.jpg 1024w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/dikkopje_kaart-768x265.jpg 768w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/dikkopje_kaart-1536x530.jpg 1536w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/dikkopje_kaart-500x172.jpg 500w\" sizes=\"auto, (max-width: 1740px) 100vw, 1740px\" \/><\/a><p id=\"caption-attachment-2047\" class=\"wp-caption-text\">8-11 cm; gescheiden rugvinnen; brede kop met gezwollen wangen en lippen, taps toelopend lichaam.<\/p><\/div>\n<h1>Glasgrondel<\/h1>\n<div id=\"attachment_2049\" style=\"width: 1750px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Glasgrondel_kaart.jpg\" data-rel=\"lightbox-image-16\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2049\" class=\"size-full wp-image-2049\" src=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Glasgrondel_kaart.jpg\" alt=\"\" width=\"1740\" height=\"600\" srcset=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Glasgrondel_kaart.jpg 1740w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Glasgrondel_kaart-300x103.jpg 300w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Glasgrondel_kaart-1024x353.jpg 1024w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Glasgrondel_kaart-768x265.jpg 768w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Glasgrondel_kaart-1536x530.jpg 1536w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2026\/01\/Glasgrondel_kaart-500x172.jpg 500w\" sizes=\"auto, (max-width: 1740px) 100vw, 1740px\" \/><\/a><p id=\"caption-attachment-2049\" class=\"wp-caption-text\">4-6 cm; meerendeels kleurloos en transparant lichaam: wervelkolom (graat), zwemblaas en ingewanden zijn zichtbaar.<\/p><\/div>\n<h1>Pontische stroomgrondel<\/h1>\n<div id=\"attachment_2033\" style=\"width: 1750px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/PontischeStroomgrondel_kaart.jpg\" data-rel=\"lightbox-image-17\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2033\" class=\"wp-image-2033 size-full\" src=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/PontischeStroomgrondel_kaart.jpg\" alt=\"\" width=\"1740\" height=\"600\" srcset=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/PontischeStroomgrondel_kaart.jpg 1740w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/PontischeStroomgrondel_kaart-300x103.jpg 300w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/PontischeStroomgrondel_kaart-1024x353.jpg 1024w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/PontischeStroomgrondel_kaart-768x265.jpg 768w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/PontischeStroomgrondel_kaart-1536x530.jpg 1536w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/PontischeStroomgrondel_kaart-500x172.jpg 500w\" sizes=\"auto, (max-width: 1740px) 100vw, 1740px\" \/><\/a><p id=\"caption-attachment-2033\" class=\"wp-caption-text\">Spitsere kop, slank lichaam<\/p><\/div>\n<h1>Kaukasische dwerggrondel<\/h1>\n<div id=\"attachment_2031\" style=\"width: 1750px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/KaukasischeDwerggrondel_kaart.jpg\" data-rel=\"lightbox-image-18\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2031\" class=\"size-full wp-image-2031\" src=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/KaukasischeDwerggrondel_kaart.jpg\" alt=\"\" width=\"1740\" height=\"600\" srcset=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/KaukasischeDwerggrondel_kaart.jpg 1740w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/KaukasischeDwerggrondel_kaart-300x103.jpg 300w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/KaukasischeDwerggrondel_kaart-1024x353.jpg 1024w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/KaukasischeDwerggrondel_kaart-768x265.jpg 768w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/KaukasischeDwerggrondel_kaart-1536x530.jpg 1536w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/KaukasischeDwerggrondel_kaart-500x172.jpg 500w\" sizes=\"auto, (max-width: 1740px) 100vw, 1740px\" \/><\/a><p id=\"caption-attachment-2031\" class=\"wp-caption-text\">Max 5 cm; stompe kop, zeer korte neus<\/p><\/div>\n<h1>Kesslers grondel<\/h1>\n<div id=\"attachment_2036\" style=\"width: 1750px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/KesslersGrondel_kaart.jpg\" data-rel=\"lightbox-image-19\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2036\" class=\"size-full wp-image-2036\" src=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/KesslersGrondel_kaart.jpg\" alt=\"\" width=\"1740\" height=\"600\" srcset=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/KesslersGrondel_kaart.jpg 1740w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/KesslersGrondel_kaart-300x103.jpg 300w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/KesslersGrondel_kaart-1024x353.jpg 1024w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/KesslersGrondel_kaart-768x265.jpg 768w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/KesslersGrondel_kaart-1536x530.jpg 1536w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/KesslersGrondel_kaart-500x172.jpg 500w\" sizes=\"auto, (max-width: 1740px) 100vw, 1740px\" \/><\/a><p id=\"caption-attachment-2036\" class=\"wp-caption-text\">Grote afgeplatte kop: breder dan hoog<\/p><\/div>\n<h1>Marmergrondel<\/h1>\n<div id=\"attachment_2035\" style=\"width: 1760px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Marmergrondel_kaart.jpg\" data-rel=\"lightbox-image-20\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2035\" class=\"size-full wp-image-2035\" src=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Marmergrondel_kaart.jpg\" alt=\"\" width=\"1750\" height=\"600\" srcset=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Marmergrondel_kaart.jpg 1750w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Marmergrondel_kaart-300x103.jpg 300w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Marmergrondel_kaart-1024x351.jpg 1024w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Marmergrondel_kaart-768x263.jpg 768w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Marmergrondel_kaart-1536x527.jpg 1536w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Marmergrondel_kaart-500x171.jpg 500w\" sizes=\"auto, (max-width: 1750px) 100vw, 1750px\" \/><\/a><p id=\"caption-attachment-2035\" class=\"wp-caption-text\">Buisvormige neusopeningen<\/p><\/div>\n<h1>Brakwatergrondel<\/h1>\n<div id=\"attachment_2030\" style=\"width: 1750px\" class=\"wp-caption alignleft\"><a href=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Brakwatergrondel_kaart.jpg\" data-rel=\"lightbox-image-21\" data-rl_title=\"\" data-rl_caption=\"\" title=\"\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-2030\" class=\"size-full wp-image-2030\" src=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Brakwatergrondel_kaart.jpg\" alt=\"\" width=\"1740\" height=\"600\" srcset=\"https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Brakwatergrondel_kaart.jpg 1740w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Brakwatergrondel_kaart-300x103.jpg 300w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Brakwatergrondel_kaart-1024x353.jpg 1024w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Brakwatergrondel_kaart-768x265.jpg 768w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Brakwatergrondel_kaart-1536x530.jpg 1536w, https:\/\/pufflin.nl\/duiken\/wp-content\/uploads\/2025\/12\/Brakwatergrondel_kaart-500x172.jpg 500w\" sizes=\"auto, (max-width: 1740px) 100vw, 1740px\" \/><\/a><p id=\"caption-attachment-2030\" class=\"wp-caption-text\">Donker gepigmenteerde driehoekige vlek aan basis borstvinnen<\/p><\/div>\n<p>&nbsp;<\/p>\n<hr \/>\n<h3><strong><a href=\"https:\/\/pufflin.nl\/duiken\/grondels-in-nederland\">Home<\/a> | <a href=\"https:\/\/pufflin.nl\/duiken\/grondels-in-nederland\/waarom-interessant\/\">Waarom interessant?<\/a> |\u00a0<a href=\"https:\/\/pufflin.nl\/duiken\/grondels-in-nederland\/gondels-algemeen-even-uitzoomen\/\">Wat is een grondel<\/a> | <a href=\"https:\/\/pufflin.nl\/duiken\/grondels-in-nederland\/voedselketen\/\">Voedselketen<\/a> | <a href=\"https:\/\/pufflin.nl\/duiken\/grondels-in-nederland\/invasie\/\">NL: inheems en invasief<\/a> | <a href=\"https:\/\/pufflin.nl\/duiken\/grondels-in-nederland\/invasieve-grondels-een-probleem\/\">Invasieve grondels een probleem?<\/a> | <a href=\"https:\/\/pufflin.nl\/duiken\/grondels-in-nederland\/invasieve-grondels-een-probleem\/\">Zwartbekgrondel<\/a> |\u00a0<a href=\"https:\/\/pufflin.nl\/duiken\/duiken\/grondels-in-nederland\/invasieve-grondels-een-probleem\/zwartbekgrondel\/oplossing-opeten\/\">Alternatieve oplossing?<\/a> | <a href=\"https:\/\/pufflin.nl\/duiken\/grondels-in-nederland\/grondels-herkennen\/\">Grondels herkennen<\/a><\/strong><\/h3>\n","protected":false},"excerpt":{"rendered":"<p>Best lastig: Vinnen: vaak platgedrukt Veel dezelfde schutkleuren kleurverschillen jong-ouder, man-vrouw, paaitijd Klik op een grondel om de slideshow te starten. Werkt het niet op je mobiel, dan staan de slides ook hieronder. photos sourced from RAVON map credits: RAVON\/ANEMOON &hellip; <a href=\"https:\/\/pufflin.nl\/duiken\/grondels-in-nederland\/grondels-herkennen\/\">Lees verder <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":2527,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"sidebar-page.php","meta":{"footnotes":""},"class_list":["post-1877","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/pufflin.nl\/duiken\/wp-json\/wp\/v2\/pages\/1877","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pufflin.nl\/duiken\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/pufflin.nl\/duiken\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/pufflin.nl\/duiken\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pufflin.nl\/duiken\/wp-json\/wp\/v2\/comments?post=1877"}],"version-history":[{"count":14,"href":"https:\/\/pufflin.nl\/duiken\/wp-json\/wp\/v2\/pages\/1877\/revisions"}],"predecessor-version":[{"id":2630,"href":"https:\/\/pufflin.nl\/duiken\/wp-json\/wp\/v2\/pages\/1877\/revisions\/2630"}],"up":[{"embeddable":true,"href":"https:\/\/pufflin.nl\/duiken\/wp-json\/wp\/v2\/pages\/2527"}],"wp:attachment":[{"href":"https:\/\/pufflin.nl\/duiken\/wp-json\/wp\/v2\/media?parent=1877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}