{"id":11739,"date":"2025-08-01T09:00:31","date_gmt":"2025-08-01T14:00:31","guid":{"rendered":"https:\/\/www.sail.ca\/blog\/how-to-choose-the-right-fishing-sonar\/"},"modified":"2026-01-12T10:16:06","modified_gmt":"2026-01-12T15:16:06","slug":"how-to-choose-the-right-fishing-sonar","status":"publish","type":"post","link":"https:\/\/www.sail.ca\/blog\/how-to-choose-the-right-fishing-sonar\/","title":{"rendered":"How to Choose the Right Fishfinder"},"content":{"rendered":"","protected":false},"excerpt":{"rendered":"","protected":false},"author":9,"featured_media":7636,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[231,246],"tags":[1028,1029,1030],"class_list":["post-11739","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fishing","category-sonars","tag-detection-2","tag-location","tag-structures-2"],"acf":{"post_flexible_content":[{"acf_fc_layout":"text_content","content_anchor":false,"anchor_link_text":"","text_content":"In Canada, we are lucky enough to have access to a vast array of lakes and rivers that offer an almost infinite number of possibilities for fishing. Some bodies of water are poorly mapped \u2014 or even unmapped \u2014 making navigation more difficult and fishing more of a challenge. Discover how a fishfinder can help you make the most of every outing and get tips for choosing the right one for your needs."},{"acf_fc_layout":"content_anchors_list","anchors_section_title":"IN THIS ARTICLE, YOU WILL LEARN MORE ABOUT FISHFINDERS AND HOW TO CHOOSE THE RIGHT MODEL:"},{"acf_fc_layout":"text_content","content_anchor":false,"anchor_link_text":"","text_content":"<p style=\"text-align: center;\">[stag_button url=\"https:\/\/www.sail.ca\/en\/fishing\/sonars\/sonars\" style=\"orange\" size=\"medium\" type=\"normal\" target=\"_blank\" icon=\"\" icon_order=\"before\"]Sonars[\/stag_button][stag_button url=\"https:\/\/www.sail.ca\/en\/fishing\/sonars\/accessories\" style=\"orange\" size=\"medium\" type=\"normal\" target=\"_blank\" icon=\"\" icon_order=\"before\"]Accessories[\/stag_button]<\/p>"},{"acf_fc_layout":"text_content","content_anchor":true,"anchor_link_text":"Key things to look for in a fishfinder","text_content":"<h2>Key things to look for in a fishfinder<\/h2>\r\nReady to level up your fishing game, but not sure which gadgets are essential and which ones you can skip on? Here\u2019s a quick rundown.\r\n<h3>Power<\/h3>\r\nPower is measured in watts, and the higher it is, the deeper and faster your sonar can scan. Those skimming shallow lakes won\u2019t need loads of power, while deepwater and offshore anglers should look for more powerful models. The same goes for saltwater fishing, which typically requires extra juice.\r\n<h3>Transducer and frequency<\/h3>\r\nThe transducer sends and receives sonar signals, so choosing the right frequency is key:\r\nHigh frequency (200 kHz and up): offers more detail and is ideal for shallow water\r\nLow frequency (50 to 83 kHz): reaches deeper but provides less detail \u2014 great for offshore or deepwater fishing\r\nMany models now use dual frequency or CHIRP (more on that later) for improved accuracy and target separation.\r\n<h3>Screen size and resolution<\/h3>\r\nA clear, readable display can make a huge difference when you\u2019re out on the water chasing the big one. Larger screens are easier to read, especially on a moving boat or in bright sunlight. The higher the resolution, the sharper the details, making it easier to tell fish apart from structure or debris. And yes, colour screens are now standard, so don\u2019t settle for the old-school black and white!\r\n<h3>Side imaging and other features<\/h3>\r\nSide imaging scans outward from both sides of your boat, giving you a broader view of the water around you. It helps you spot fish without cruising right over them. For a full picture, look for models that combine multiple sonar types."},{"acf_fc_layout":"nosto_products","content_anchor":false,"anchor_link_text":"","nosto_class_name":"blog_cp_sonars_ice-fishing"},{"acf_fc_layout":"text_content","content_anchor":true,"anchor_link_text":"How to mount your fishfinder","text_content":"<h2>How to mount your fishfinder<\/h2>\r\nYour choice of fishfinder will depend on your fishing style. Aside from functionality, the type of mount will also be a key selection factor.\r\n<h3>Transom mount<\/h3>\r\nEasy to install and remove, transom mounts are ideal for beginners and anglers with smaller boats like kayaks or canoes. They're budget-friendly, but don\u2019t offer the same level of accuracy as higher-end setups.\r\n<h3>Thru-hull mount<\/h3>\r\nPlanning to fish in rough water or chase trophy catches at speed? A thru-hull mount is your best bet. It delivers a strong, reliable signal even at depth and performs well at high speeds. The trade-off? It requires drilling into your hull and comes with a higher price tag.\r\n<h3>In-hull mount<\/h3>\r\nIn-hull mounts are a solid middle ground for anglers looking for a permanent setup without drilling through the hull. They are well protected and create no drag, but they only work with fibreglass boats, and their signal is slightly weaker compared to thru-hull mounts.\r\n<h3>Trolling motor mount<\/h3>\r\nLooking for stealth while navigating shallow or weedy spots? Trolling motor-mounted sonars are built for quiet, precise fishing. Just keep in mind they\u2019re not ideal for high-speed outings, as vibrations can interfere with performance."},{"acf_fc_layout":"text_content","content_anchor":true,"anchor_link_text":"The advantages of using a fishfinder","text_content":"<h2>The advantages of using a fishfinder<\/h2>\r\nA fishfinder, also known as a sonar, is a must-have for easier navigation and a better fishing experience. It emits waves that bounce off the bottom and any objects within range below the surface. These waves are then sent back to the <a href=\"https:\/\/www.sail.ca\/en\/fishing\/sonars\/transducers\">transducer<\/a>, which converts them into images that deliver useful data.\r\n\r\nA fishfinder has three main functions that can enhance your fishing experience:\r\n<ul>\r\n \t<li>Indicating surface water temperature<\/li>\r\n \t<li>Estimating water depth<\/li>\r\n \t<li>Identifying what\u2019s beneath the surface, such as bottom structure, topography, and fish<\/li>\r\n<\/ul>\r\n<a href=\"https:\/\/www.sail.ca\/blog\/fishfinder-features-and-advantages\/\">Other benefits of using a fishfinder include<\/a>:\r\n<ul>\r\n \t<li>Increasing your chances of catching fish<\/li>\r\n \t<li>Accessing GPS navigation features (when included)<\/li>\r\n \t<li>Monitoring boat speed and adjusting as needed (with GPS-equipped models)<\/li>\r\n \t<li>Saving your routes and marking top fishing spots (with GPS functionality)<\/li>\r\n \t<li>Avoiding underwater obstacles or structures where your boat could get stuck<\/li>\r\n<\/ul>\r\nOver the years, technologies have continued to develop and become even more accurate. The process of choosing a <a href=\"https:\/\/www.sail.ca\/en\/fishing\/sonars\">fishfinder<\/a> is now a bit more complicated than it was a few years ago. That\u2019s why it\u2019s important to consider a number of factors before shopping for the model that suits your needs."},{"acf_fc_layout":"text_content","content_anchor":true,"anchor_link_text":"Determining the location and frequency of your fishing trips","text_content":"<h2>Determining the location and frequency of your fishing trips<\/h2>\r\nYour needs will vary depending on where you plan to fish and whether the area is mapped or not.\r\nIf you're fishing in a familiar lake, you may only need a fishfinder that helps you accurately locate fish to boost your chances of success.\r\n\r\nBut if you love discovering new fishing spots, a model with advanced features will be your best ally. That way, you can enjoy plenty of details on bottom topography, water depth, temperature, and more. With this handy tool by your side, you will be set for some great fishing wherever you cast your line!\r\n<h3>Consider the type of watercraft<\/h3>\r\nThe type of boat you're fishing from is an important factor when choosing a fishfinder. For smaller watercraft like <a href=\"https:\/\/www.sail.ca\/en\/fishing\/motors-marine-accessories\/kayaks\">kayaks<\/a> or <a href=\"https:\/\/www.sail.ca\/en\/outdoor-gear\/nautical-gear\/canoes\">canoes<\/a>, there are lightweight, portable, and energy-efficient models powered by rechargeable batteries that are easy to mount. For larger boats, fixed sonar units that connect to the vessel\u2019s power supply are a solid choice."},{"acf_fc_layout":"text_content","content_anchor":true,"anchor_link_text":"Understanding different sonar technologies to choose the right model","text_content":"<h2>Understanding different sonar technologies to choose the right model<\/h2>\r\nTo better understand how fishing sonars detect bottom topography, structures and objects in the water, let\u2019s take a closer look at the specific features of each technology.\r\n<h3>2D<\/h3>\r\nThe two-dimensional system is the most common, and most fishfinders come equipped with it. While the images it produces aren\u2019t the most detailed, they are useful for identifying the type of seabed you\u2019re working with. This system is a great option for occasional anglers or those fishing in familiar waters.\r\n<h3>CHIRP<\/h3>\r\nFishfinders that are equipped with Compressed High-Intensity Radar Pulse (CHIRP) rely on the same principle as 2D technology, but emit higher frequencies. The result: a clearer and more detailed image with a wider and deeper coverage of the water beneath your boat.\r\n<h3>Down imaging<\/h3>\r\nThis system provides a high-quality image of the bottom structure, which is nearly as sharp as a photograph. It surpasses CHIRP technology in both radius and depth coverage, offering a clearer vision of vegetation and fish.\r\n<h3>Side imaging<\/h3>\r\nThis sonar system is also highly accurate, but contrary to down imaging (and as its name suggests), it provides images of the areas on both sides of the boat.\r\n<h3>Panoptix<\/h3>\r\nWith this system, you can get an ultra-precise and detailed real-time view of what is going on beneath the water\u2019s surface. Panoptix technology allows you to keep an eye on your bait, the fish swimming around it, and the underwater structure near your boat \u2013 all in 3D. It is by far the most advanced technology, and it makes a considerable difference."},{"acf_fc_layout":"text_content","content_anchor":true,"anchor_link_text":"Checking whether the fishfinder includes a GPS","text_content":"<h2>Checking whether the fishfinder includes a GPS<\/h2>\r\nAnother useful feature to consider when choosing a fishing sonar is the inclusion of a GPS. This greatly improves navigation accuracy and efficiency. It also allows you to monitor your boat\u2019s speed while the detailed maps it provides help you avoid rocks and other near-surface obstacles.\r\n\r\nIn addition to helping you determine your position and find your way back, a fishfinder with a GPS navigation system can save you a lot of time locating potentially productive fishing areas like humps, points, channels, and other types of structure. You can even save prime fishing spots on your device when you find them to return more easily next time."},{"acf_fc_layout":"text_content","content_anchor":true,"anchor_link_text":"Assessing the specific features and benefits of ice fishing fishfinders","text_content":"<h2>Assessing the specific features and benefits of ice fishing fishfinders<\/h2>\r\nFor those who like to fish all year round (or would like to give it a try), it\u2019s worth considering a fishfinder with features designed for ice fishing.\r\n\r\nIn ice fishing, a portable fishfinder with a rechargeable battery is essential. Since you likely won\u2019t have access to a motor battery and may need to move frequently to drill multiple holes, portability and power independence are key.\r\n\r\nThe main advantage of ice fishing sonars is their ability to detect water depth and the presence of fish. Their technology differs from other fishfinders. Some models have an adjustable rotating circular display: red shows water depth, green marks your lure, and a sensor flashes when fish are nearby. The readings are immediate and in real time, providing great accuracy, though they don\u2019t identify fish species.\r\n\r\nChoosing the right sonar for ice fishing can be complicated, especially with the wide variety of models available on the market. Check out our article on the<a href=\"https:\/\/www.sail.ca\/blog\/discover-our-best-fish-finders-of-2024\/\"> best fishfinders of the year<\/a> to make your search easier.\r\n\r\nHappy fishing!"},{"acf_fc_layout":"faq_zone","content_anchor":false,"anchor_link_text":"","faq_title":"FAQ","faq_text_content":"","post_faq":[{"post_faq_question":"1.     How do you read a fishfinder?","post_faq_response":"Reading a fishfinder involves interpreting its display screen. While the specifics may vary for each brand and model, most displays show water depth, temperature, and boat speed. The screen shows details of the bottom structure and its composition through use of colours and textures, or by providing a clear view of what\u2019s around or beneath the boat. Depending on the fishfinder, fish will show up as symbols (usually dots or arches) or icons, or you may see a real-time image of their shape and movements.\r\n\r\nAs you become more familiar with your fishfinder, you will be able to decipher more information and get a clearer picture of what\u2019s happening below the surface. This will improve your fishing experience and increase your chances of success.","post_faq_is_response_open":true},{"post_faq_question":"2.     Is a fishfinder really worth it?","post_faq_response":"Adding a fishfinder to your gear kit can truly elevate your fishing experience and make it more enjoyable. Knowing water depth and temperature, locating underwater structures, and detecting whether fish are present, you will gain valuable insights to improve your fishing game. This is particularly true if you\u2019re a keen angler or like to explore new areas often. That being said, even casual anglers can benefit from gaining a better understanding of the underwater environment.\r\n\r\nConsider your fishing habits and goals to determine if the features offered by a particular fishfinder fit your needs.","post_faq_is_response_open":true}]}],"author_type":"wordpress","partnership_options":{"partnership_label":"","partner_logo":null,"partner_link":"","partnership_text":""},"override_related_posts":false,"related_posts":null,"right_cta_visibility":false,"sidebar_cta_content_override":false,"sidebar_cta_title":"Are you passionate about the outdoors? ","sidebar_cta_description":"Join the SAIL team and enjoy advantageous benefits and employee discounts. 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