Chocolate Tang - Juv

Chocolate Tang - Juv. The Chocolate Tang (Acanthurus pyroferus) is a hardy, semi‑aggressive Indo‑Pacific surgeonfish best known for its remarkable juvenile mimicry—young individuals copy the colors of local dwarf angelfish before transitioning into their darker adult form.** This makes it one of the most visually variable tangs in the trade. 🐠 Identity & Appearance Scientific name: Acanthurus pyroferus Common names: Chocolate Tang, Mimic Tang, Lemonpeel Mimic Tang, Chocolate Surgeonfish Adult size: ~8–10 inches (20–25 cm) Juvenile appearance: Mimics local Centropyge angelfish—often bright yellow like a Lemonpeel Angel, but can also resemble Half‑black, Pearlscale, or Eibli angels depending on region. Adult appearance: Dark brown to black body, often with yellow or orange highlights around the face and fins. 🌍 Natural Range & Habitat Distribution: Indo‑Pacific—from Indonesia to the Marshall Islands, extending south to the Great Barrier Reef and north to Japan. Habitat: Coral reefs with abundant rockwork for grazing and shelter. 🧭 Behavior & Temperament Temperament: Semi‑aggressive; territorial toward other tangs. Activity level: Very active swimmer; requires long, open lanes. Social structure: Best kept solo unless the tank is extremely large. 🏡 Aquarium Requirements Minimum tank size: 79–100+ gallons recommended (300 L+). Aquascape: Plenty of live rock for grazing Open swimming space Well‑lit environment Water parameters: Salinity: 1.023–1.026 Temp: 75–82°F (24–28°C) pH: 8.0–8.4 Care level: Moderate; stable conditions required. 🍃 Diet Primary diet: Herbivore—marine algae, seaweed, spirulina. In captivity: Nori sheets Algae‑based flakes/pellets Spirulina foods Feeding frequency: Multiple small feedings daily to maintain health and coloration. 🩺 Hardiness & Health Generally hardy once established but requires stable water quality. Common risks: Stress‑related aggression, potential nipping at LPS corals or clam mantles (rare but reported). Not captive‑bred; all individuals are wild‑collected. 🤝 Compatibility Good tankmates: Wrasses, anthias, rabbitfish, peaceful reef fish Use caution with: Other tangs (territorial disputes) Large angels or aggressive species Reef‑safe: Yes, with mild caution. 🧾 Quick Reference (shop‑friendly) Scientific name: Acanthurus pyroferus Size: 8–10" Temperament: Semi‑aggressive Diet: Herbivore Reef‑safe: Yes (monitor around LPS/clam mantles) Minimum tank: 100+ gallons Care level: Moderate Notes: Juveniles mimic dwarf angels; adults darken with age