🐠 Fathead Sunburst Anthias (Serranocirrhitus latus)
🐠 Fathead Sunburst Anthias (Serranocirrhitus latus)
Marine Reef-Safe Cave-Dwelling Anthias • Vibrant Pink & Yellow Display Fish • Genuinely Different From Typical Anthias • Intermediate Marine Fish
📋 The Fathead Sunburst Anthias (Serranocirrhitus latus), also known as the Fathead Anthias or Swallowtail Basslet, is a genuinely distinctive fish with a vibrant pink to purple body, heavy yellow-to-orange scale margins, and sunburst-like yellow facial markings, complemented by elongated pectoral fins and a characteristic deep, "fat" head that gives the species its name.
Native to deep, cave-riddled reef slopes across the Western Pacific, including Indonesia and Fiji, this species is genuinely different from most anthias — rather than schooling in large open-water groups, it lives solitarily, in pairs, or in small harems tucked under overhangs and in caves.
Because of its natural deep-cave habitat, this species genuinely prefers low-to-moderate lighting with plenty of shaded hiding places, unlike many reef fish that thrive under intense modern reef lighting. It can also be a little slow to start feeding when newly acclimated, so offering a variety of meaty foods and limiting stress during the settling-in period genuinely helps.
With a spacious tank, subdued lighting, and peaceful tank mates, it thrives as a Vividly Coloured Cave-Dwelling Reef Display Fish.
💗🟡 Highlights
🎨 Vivid Pink & Sunburst Yellow: A genuinely distinctive colour combination among anthias
🕳️ Cave-Dwelling, Not Schooling: Lives solitarily, in pairs, or small harems rather than open shoals
🌗 Prefers Subdued Lighting: Needs shaded hiding places, unlike many typical anthias
🌿 Genuinely Reef Safe: Won't harm corals or invertebrates
🐟 Genuinely Peaceful: A gentle, shy species suited to calm community tanks
🧾 A Quick Look at the Fathead Sunburst Anthias
📛 Common Name: Fathead Sunburst Anthias (Fathead Anthias, Swallowtail Basslet, Coral Perch)
🔬 Scientific Name: Serranocirrhitus latus
👨👩👧 Family: Serranidae
🌍 Origin: Western Pacific (Indonesia, Fiji)
📏 Max Size: Up to 13 cm (≈ 5")
🧂 Specific Gravity: 1.020–1.025
🌡️ Temperature Range: 22–26°C (72–78°F)
🧠 Care Level: Intermediate
💖 Temperament: Peaceful; males territorial toward other males
🌿 Reef Safe: ✅ Yes
🏠 Min Tank Size: 280 L (≈ 75 gallons)
📌 Tank Level: Lower Level / Cave & Overhang Dweller
🧬 Stock Type: Wild-collected as standard stock; a delicate shipper
⏳ Lifespan: 5–7 years, possibly longer with excellent care
🍽️ Diet: Carnivore / Planktivore (zooplankton, meaty marine foods)
🐣 Reproduction: Protogynous hermaphrodite; forms pairs or small harems

















