Fish for Dogs: Benefits, Best Types & How to Feed Safely
Fish is one of the most nutritious and natural additions you can make to your dog’s diet. Packed with high-quality protein, omega-3 fatty acids, and essential nutrients, fish can support everything from skin health to joint mobility and brain function.
At Woofingtons, we’re passionate about feeding dogs a natural, species-appropriate diet — and fish can play a fantastic role when fed correctly and in moderation.
🐾 Why Fish is Good for Dogs
Fish is often considered a superfood for dogs, and for good reason. It’s rich in nutrients that many traditional diets lack.
Key Benefits of Fish for Dogs
- Supports healthy skin & shiny coats thanks to omega-3 fatty acids
- Reduces inflammation, ideal for dogs with arthritis or allergies
- Boosts brain function and cognitive health
- Highly digestible protein source, great for sensitive stomachs
- Supports heart health
- Perfect for dogs with meat allergies as a novel protein
Adding fish into your dog’s diet can be especially beneficial if they suffer from itchy skin, dull coats, or digestive issues.
🐟 What Fish Can Dogs Eat?
Not all fish are created equal when it comes to feeding your dog. Some are excellent choices, while others should be limited or avoided.
Best Fish for Dogs
- Salmon (cooked or properly frozen for raw feeding)
- Sardines (fresh, dried or tinned in water/tomato sauce)
- Mackerel
- Sprats (popular as dried treats)
- White fish (cod, haddock, pollock)
These fish are rich in omega-3 and generally low in contaminants, making them ideal for regular feeding (in moderation).
⚠️ Why Tuna Should Be Avoided In Your Dogs Diet
While tuna might seem like a healthy option, it’s not recommended as a regular part of your dog’s diet.
The Problem with Tuna
- High mercury levels due to its long lifespan
- Heavy metal build-up can be harmful over time
- Not suitable for frequent feeding
👉 Occasional small amounts won’t harm most dogs, but there are much safer fish options available, so it’s best to avoid tuna where possible.
🍽️ Ways to Feed Fish to Your Dog
Fish can be fed in a variety of ways depending on your dog’s diet and your lifestyle.
🥩 Raw Fish for Dogs
Feeding raw fish can be highly nutritious when done correctly.
- Must be frozen first to kill parasites
- Ideal for raw feeders following 80/10/10 or 80/20 diets
- Great for maintaining natural nutrients
🦴 Dried Fish Treats
One of the easiest and most popular options.
- Examples: sprats, fish skins, fish cubes
- Long-lasting, natural treats
- High in protein and omega oils
- Perfect for training or rewards
🥫 Tinned Fish (Including Tomato Sauce)
A convenient and affordable option for many dog owners.
- Sardines or mackerel in tomato sauce are generally safe
- Avoid added salt or artificial ingredients
- Feed in moderation due to sauce content
👉 Tip: Mix a small amount into your dog’s regular food for a nutrient boost and added flavour.
⚖️ How Much Fish Should Dogs Eat?
Fish should always be fed as part of a balanced diet, not as the sole protein source.
- 1–2 times per week is ideal
- Adjust portions based on your dog’s size
- Always introduce new foods gradually
Too much fish can lead to nutritional imbalances, so moderation is key.
🐶 Fish for Dogs with Allergies
Fish is an excellent choice for dogs with food sensitivities or intolerances.
- Often used in hypoallergenic diets
- Gentle on digestion
- Helps reduce inflammation caused by allergies
If your dog struggles with common proteins like chicken or beef, fish can be a great alternative.
🛒 Natural Fish Treats & Foods at Woofingtons
At Woofingtons, we stock one of the largest ranges of natural dog treats in Wigan, Leigh, and across the UK, including:
- 🐟 Dried sprats
- 🐟 Fish skin chews
- 🐟 Natural fish training treats
- 🐟 Raw fish options for local delivery
We carefully select all our products to ensure they meet our high standards for quality, nutrition, and value — because your pet’s health always comes first.
📦 Fish for Dogs Delivered Across the UK
Not local? No problem. We offer fast UK delivery on our full range of natural dog treats and foods, including fish-based options.
We regularly ship to areas such as:
Manchester, Liverpool, Birmingham, Leeds, London, Sheffield, and beyond.
🐾 Final Thoughts
Fish can be a powerful addition to your dog’s diet when fed correctly. From supporting skin and coat health to improving joint function, it’s a natural way to boost overall wellbeing.
Just remember:
✔ Choose the right fish
✔ Avoid tuna
✔ Feed in moderation
✔ Keep it natural
Q: Can dogs eat fish every day?
A: Fish should be fed in moderation, ideally 1–2 times per week as part of a balanced diet.
Q: Is tuna safe for dogs?
A: Tuna should be avoided due to high mercury levels and is not suitable for regular feeding.
Q: Can dogs eat sardines in tomato sauce?
A: Yes, in moderation, as long as there is no added salt or harmful ingredients.
Q: What is the best fish for dogs?
A: Salmon, sardines, mackerel, and sprats are among the best options due to their omega-3 content.
Fish for dogs: discover the benefits, best fish to feed, why tuna should be avoided, and how to safely include raw, dried and tinned fish in your dog’s diet. Shop natural fish treats at Woofingtons UK.