Tosakin Red

The Tosakin Red goldfish is a rare and elegant breed, distinguished by its ornate finnage and unique swimming posture. Originating in Japan and traditionally bred in shallow waters, this variety is prized for its fan-shaped caudal fin, which spreads horizontally like an open flower. The Tosakin’s red coloration is deep and uniform, contributing to its ornamental value. Due to its delicate fins and specific care needs, this breed is best suited to controlled indoor environments where water conditions can be closely monitored. Not suitable for beginners. Shop live aquarium fish online with confidence, with our livestock delivery guarantee.   Features of a Tosakin Red Broad, flowing tail that spreads sideways rather than vertically Compact, egg-shaped body with no dorsal fin Deep, uniform red coloration across the body and fins Typically reaches 15–18 cm in length when fully mature Graceful, slow swimmers due to their ornate fins Sensitive to poor water quality and aggressive tank mates The Best Aquarium Size for Tosakin Red Tosakin Red goldfish require ample floor space and stable conditions. A minimum tank size of 80 litres is recommended for a single fish, with an additional 40 litres per extra fish. Low, wide tanks are preferable to accommodate their unique tail structure and limited swimming ability. Avoid strong currents, as they can damage the delicate fins. After an Aquarium for your fish? Browse our Aquarium Tank Selection here   Tank Mate Compatibility for Tosakin Red Tosakins do best with slow, peaceful species that won’t outcompete them for food or nip at their fins. Suitable companions include: Celestial Eye Goldfish Bubble Eye Goldfish Ranchu Goldfish Pearlscale Goldfish Panda Moor Lionhead Goldfish Diet for Tosakin Red A high-quality, sinking pellet or gel-based diet is ideal to reduce the risk of buoyancy issues. Supplement with blanched vegetables such as spinach, lettuce, and shelled peas. Occasional protein sources like bloodworms or brine shrimp (frozen or live) can enhance colour and vitality. Feed 2–3 times daily in small portions. Browse our High Quality Fish Food online.   Aquarium Setup for Tosakin Red   Aquarium Filtration Use a sponge or low-flow filter to maintain excellent water quality without disturbing their slow swimming pattern. Prioritise biological filtration. Browse aquarium filters here.   Aquarium Plants Incorporate soft-leaved, rooted or floating species such as Anubias, Java Moss, or Salvinia. Avoid sharp or rigid plants. Interested in live plants for your aquariums? Browse live plants here.   Aquarium Lighting Soft to moderate lighting enhances fin visibility without stressing the fish. Avoid intense lighting or sudden light changes. Need aquarium lighting for your fish tank? Browse our  Aquarium Lighting   Aquarium Heating Maintain water temperatures between 20–23°C. Stability is essential; rapid temperature swings should be avoided. Looking for a suitable fish tank heater? Shop aquarium heaters here.   Aquarium Substrate Use smooth sand or fine gravel to protect their undersides and prevent injury from bottom-feeding behaviour. Shop a  variety of Aquarium Substrates here.   Aquarium Decorations Include smooth rocks, ceramic hides, and low ornaments. Allow for open swimming zones to support their limited mobility. Stability is essential; rapid temperature swings should be avoided. Check out our huge range of Aquarium Ornaments.