⚔️ Knight Goby (Stigmatogobius sadanundio)Add bold character and striking pattern to your aquarium with the impressive Knight Goby. Recognisable for its silver body with dark vertical bands, this fascinating bottom-dwelling fish is popular among UK aquarists keeping brackish or specialist community setups. Knight Gobies are intelligent, territorial fish best suited to experienced hobbyists or well-researched beginners looking for something different. 🌿 Why Choose Knight Goby?⚔️ Striking banded pattern and bold appearance🐟 Unique bottom-dwelling behaviour🌊 Suitable for brackish aquariums🧠 Intelligent and characterful species👀 Excellent focal fish for specialist setups Their alert nature and strong personality make them a real centrepiece species. 📏 Care Requirements🧬 Scientific Name: Stigmatogobius sadanundio📛 Common Name: Knight Goby🏠 Tank Size: 90L+ recommended🌡️ Temperature: 24–28°C🌊 Water Type: Freshwater (young) / Brackish preferred (adults)⚗️ pH Range: 7.0–8.0🧂 Salinity: Low-end brackish recommended for long-term health🧘 Temperament: Semi-aggressive / territorial🍽️ Diet: Frozen foods, live foods, high-protein sinking pellets Adults do best in lightly brackish water conditions, which is important for long-term health in UK home aquariums. 🐠 CompatibilityBest kept with other brackish-tolerant species of similar size. Avoid small nano fish or slow-moving tank mates. Not suitable for typical peaceful tropical community tanks. Important NotesKnight Gobies are territorial and may show aggression towards their own kind unless kept in a suitably large tank with hiding spaces. Provide caves, wood and rockwork to establish territories. A secure lid is recommended. The Knight Goby is an excellent choice for UK aquarists running brackish aquariums or looking for a bold, characterful fish with strong personality.