Description

The Tomini Tang (Ctenochaetus tominiensis), also known as the Tomini Surgeonfish or Tomini Bristletooth Tang, is a compact, hardy, and attractive marine fish that’s well-suited for moderately sized aquariums. It’s part of the bristletooth tang group, known for their algae-eating capabilities and relative peace compared to other tangs.

? Species Overview

• Scientific Name: Ctenochaetus tominiensis

• Common Names: Tomini Tang, Tomini Bristletooth Tang, Flame Fin Tang

• Origin: Western Pacific (Indonesia, Philippines, Papua New Guinea)

• Size: Up to 6 inches (15 cm)

• Lifespan: 5–10+ years in captivity

• Temperament: Peaceful to semi-aggressive

• Reef Safe: Yes

• Care Level: Easy to Moderate

? Appearance

• Body Color: Brown to tan base

• Fins: Yellow to orange highlights on the dorsal and caudal fins

• Eyes: Large and expressive

• Mouth: Small with bristle-like teeth (for grazing algae)

?️ Tank Requirements

?️ Diet

• Type: Herbivore (with some omnivorous behavior)

• Feeding Frequency: 2–3 times daily

• Diet Includes:

  • Marine algae (nori/seaweed sheets)

  • Spirulina-based pellets or flakes

  • Occasional mysis or brine shrimp

  • Live rock for grazing on biofilm and microalgae

Note: A diet rich in plant matter helps prevent HLLE (Head and Lateral Line Erosion) and maintains coloration.

⚠️ Behavior and Compatibility

• Temperament: Generally peaceful, may show aggression to similar-shaped tangs or other Ctenochaetus species

• Tankmates:

  • Excellent community fish

  • Compatible with most peaceful reef fish

  • Avoid housing with other tangs unless in a large system (125+ gallons)

• Reef Compatibility: Safe with corals and invertebrates

?️ Care Tips

• Introduce Tomini Tangs as the last fish if possible (to avoid territorial disputes)

• Provide UV sterilizer or quarantine tank to prevent parasites like marine ich

• Ensure a stress-free environment to avoid disease

• Supplement diet with vitamin-enriched algae sheets

✅ Pros

• Great algae eater

• Compact size for a tang

• Hardy and adaptable

• Reef safe

❌ Cons

• Can be slightly territorial with similar fish

• Needs stable water conditions

• Color can dull if underfed or stressed