Golden butterflyfish
Chaetodon semilarvatus
Also known as Addis Butterflyfish, Bluecheek Butterflyfish, Golden Semilarvatus Butterflyfish, Masked Butterflyfish
SaltwaterFish
Care at a glance
- Temperature
- 75–82°F
- 24–28°C
- pH
- 8.1–8.4
- Adult size
- 9.1 in
- 23 cm
- Minimum tank
- 151 gal
- 570 L
- Temperament
- Peaceful
- Social behavior
- Social
- Swim level
- Middle
- Diet
- Omnivore
- Difficulty
- Medium
- Breeding
- No record
- Rarity
- Common
- Reef safe
- Not reef safe
- Family
- Chaetodontidae
- Origin
- Endemic to the Red Sea and Gulf of Aden, sheltering under table corals and rocky ledges on coastal reefs.
Overview
The golden butterflyfish is a peaceful, deep-bodied butterflyfish for a big saltwater tank. It is best with a little experience.
Did you know
Golden butterflyfish are often seen resting in pairs or trios beneath the same coral head. A bonded pair will stay together for years.
Caring for the golden butterflyfish
Give the golden butterflyfish at least 151 gal (570 L), with plenty of rockwork and a lot of open swimming room. It does best in a mature system with stable water. It is one of the more coral-tolerant large butterflyfish, but it is not reef safe. It will nip soft corals, stony polyps, tube worms and anemones.
Keep the water at 75 to 82°F (24 to 28°C) with a pH of 8.1 to 8.4. Feed a varied diet of mysis, enriched brine shrimp, chopped seafood and algae-based foods two or three times a day.
Golden butterflyfish are peaceful with other species and fine alone or in a group. They can quarrel with other butterflyfish in tight quarters, so keep them with calm tank mates.
Good to know
The golden butterflyfish, Chaetodon semilarvatus, is a member of the butterflyfish family Chaetodontidae. The blue mask over its eyes gives it another name, the bluecheek butterflyfish.
In the wild
The golden butterflyfish is found only in the Red Sea and the Gulf of Aden, on coastal reefs. During the day it hovers under table corals, overhangs and rocky ledges. It grazes on coral polyps, small invertebrates and algae across shallow reef slopes.
Weekly picks
Tank mates
The golden butterflyfish is a peaceful, social species that keeps to the middle. These picks share a community profile with it, are safe together in both directions, and overlap on water type, temperature and pH.

Majestic angelfish
Pomacanthus navarchus
Saltwater11.8 in (30 cm) · 145 gal (550 L)73–81°F (23–27°C)
Blue hippo tang
Paracanthurus hepatus
Saltwater11.8 in (30 cm) · 180 gal (680 L)73–81°F (23–27°C)
Striped eel catfish
Plotosus lineatus
Saltwater12.6 in (32 cm) · 106 gal (400 L)75–82°F (24–28°C)
Skunk cleaner shrimp
Lysmata amboinensis
Saltwater2.4 in (6 cm) · 20 gal (75 L)73–81°F (23–27°C)
Fighting conch
Strombus alatus
Saltwater3.1 in (8 cm) · 20 gal (75 L)75–81°F (24–27°C)
Flametail blenny
Enchelyurus flavipes
Saltwater3 in (7.5 cm) · 29 gal (110 L)72–79°F (22–26°C)
Common questions
What size tank does a golden butterflyfish need?
A golden butterflyfish needs at least 151 gal (570 L). It spends most of its time in the middle.
What temperature and pH does a golden butterflyfish need?
A golden butterflyfish is comfortable at 75–82°F (24–28°C) with a pH of 8.1–8.4.
What does a golden butterflyfish eat?
A golden butterflyfish eats a varied diet of mysis, enriched brine shrimp, chopped seafood and algae-based foods. Feed it two or three times a day.
How big does a golden butterflyfish get?
An adult golden butterflyfish reaches about 9.1 in (23 cm).
Related species
5.9 in (15 cm)79 gal (300 L)75–81°F (24–27°C)Klein's butterflyfish
Chaetodon kleinii
5.9 in (15 cm) · 79 gal (300 L)
9.1 in (23 cm)124 gal (470 L)75–81°F (24–27°C)Threadfin butterflyfish
Chaetodon auriga
9.1 in (23 cm) · 124 gal (470 L)
5.5 in (14 cm)75 gal (285 L)73–81°F (23–27°C)Pearlscale butterflyfish
Chaetodon xanthurus
5.5 in (14 cm) · 75 gal (285 L)
5.1 in (13 cm)75 gal (285 L)72–79°F (22–26°C)Milletseed butterflyfish
Chaetodon miliaris
5.1 in (13 cm) · 75 gal (285 L)
7.9 in (20 cm)106 gal (400 L)75–81°F (24–27°C)Raccoon butterflyfish
Chaetodon lunula
7.9 in (20 cm) · 106 gal (400 L)
7.1 in (18 cm)90 gal (340 L)73–81°F (23–27°C)Collare butterflyfish
Chaetodon collare
7.1 in (18 cm) · 90 gal (340 L)
