# Copperband Butterflyfish (*Chelmon rostratus*)

The Copperband Butterflyfish has long, slender body and a beautiful orange band. It is known for being shy and prefers to hide among corals.

- **Category:** [Fish](https://www.snappit.app/explore/categories/fish)
- **Rarity:** Common
- **Danger:** 2/5 · Low
- **Habitat:** Coral reefs
- **Also known as:** Copperbanded Butterflyfish, Copperbanded Fish

![Copperband Butterflyfish](https://res.cloudinary.com/drieglelr/image/upload/v1771424599/objects/4771.jpg)

## Appearance

The Copperband Butterflyfish has a striking white body adorned with bright yellow or coppery-orange vertical bands. It features a remarkably long, pointed snout and a prominent black spot with a blue halo near its tail, resembling an eye. These unique markings make it easily distinguishable on the reef.

## Taxonomy

- **Kingdom:** Animalia
- **Phylum:** Chordata
- **Class:** Actinopterygii
- **Order:** Perciformes
- **Family:** Chaetodontidae
- **Genus:** Chelmon

## Interesting facts

- Some people call them 'beaked butterflyfish' because of their uniquely pointed mouth!
- Their super-long snout acts like tweezers, plucking tiny snacks from tight spots!
- These shy fish often swim in pairs, gracefully exploring hidden reef corners.
- They are very peaceful fish, making them popular additions to many home aquariums.

## Special abilities

- **Crevice Forager:** Copperband Butterflyfish can use its long, pointed snout to probe deep into tight rock crevices to find hidden food.
- **Pest Purger:** Copperband Butterflyfish can eat nuisance anemones like Aiptasia, which helps keep coral reefs healthy.
- **False Eye Trick:** Copperband Butterflyfish has a prominent false eye spot near its tail that helps them confuse predators.

## Measurements & details

- **Length:** 15-20 cm
- **Weight:** 0.1-0.3 kg
- **Lifespan:** 5-10 years
- **Swim Speed:** 8 km/h
- **Maximum Depth:** 50 m
- **Water Type:** Saltwater

## Diet & Feeding

These expert foragers use their long snouts to find and eat small invertebrates and pesky anemones.

- **Primary Foods:** Aiptasia anemones, tube worms, bristleworms, small crustaceans, mollusks
- **Foraging Method:** Foraging

## Ecological connections

- **Eats:** Pest Anemone (*Aiptasia diaphana*) — They consume these nuisance anemones, helping control their populations.
- **Eaten by:** Whitetip Reef Shark (*Triaenodon obesus*) — Larger predators like this shark will hunt Copperband Butterflyfish.
- **Shelter:** Staghorn Coral (*Acropora formosa*) — They use complex coral structures for hiding and resting.

## Traits

- [Solitary](https://www.snappit.app/explore/traits/solitary): Solitary animals live alone for most of their lives, only interacting with others for mating or parental care.
- [Colorful](https://www.snappit.app/explore/traits/colorful): Colorful describes organisms or objects displaying a wide range of bright and distinct colors.
- [Piscivorous](https://www.snappit.app/explore/traits/piscivorous): Piscivorous organisms are animals that primarily subsist on a diet of fish.
- [Ambush Predator](https://www.snappit.app/explore/traits/ambush-predator): An ambush predator hunts by patiently waiting and concealing itself, then launching a sudden attack when unsuspecting prey comes within range.
- [Keystone Species](https://www.snappit.app/explore/traits/keystone-species): Describes a species whose presence and role have a disproportionately large effect on its environment.
- [Aquatic](https://www.snappit.app/explore/traits/aquatic): Aquatic habitats encompass environments where organisms live predominantly in water, including oceans, rivers, lakes, and wetlands.
- [Marine](https://www.snappit.app/explore/traits/marine): Marine habitats encompass all saltwater environments of the Earth's oceans, supporting an immense diversity of aquatic life.
- [Nocturnal](https://www.snappit.app/explore/traits/nocturnal): Nocturnal animals are primarily active during the nighttime hours, typically resting or sleeping during the day.

## Collections

- [Fish](https://www.snappit.app/explore/collections/fish)

## Safety

**Danger:** 2/5 · Low

Watch quietly from a distance and never try to feed or chase wild animals.

## Frequently Asked Questions

### How to identify Copperband Butterflyfish?

Look at body shape, where the fins sit and their outline, mouth position, stripes and spots. Young fish and breeding adults can wear different patterns, and aquarium color varieties can look nothing like wild fish. Fish Identifier: upload a photo and compare the visible details.

### How long is Copperband Butterflyfish?

15-20 cm

### How much does Copperband Butterflyfish weigh?

0.1-0.3 kg

### How long does Copperband Butterflyfish live?

5-10 years

### What does Copperband Butterflyfish eat?

These expert foragers use their long snouts to find and eat small invertebrates and pesky anemones.

### How fast can Copperband Butterflyfish swim?

8 km/h

### Where is Copperband Butterflyfish usually found?

Coral reefs

### How does Copperband Butterflyfish hunt?

Foraging

## More Fish

- [Rainbow Trout](https://www.snappit.app/explore/rainbow-trout) (*Oncorhynchus mykiss*)
- [Brown Trout](https://www.snappit.app/explore/brown-trout) (*Salmo trutta*)
- [Brook Trout](https://www.snappit.app/explore/brook-trout) (*Salvelinus fontinalis*)
- [Lake Trout](https://www.snappit.app/explore/lake-trout) (*Salvelinus namaycush*)

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Source: [Copperband Butterflyfish: Facts & Places to See — Snappit](https://www.snappit.app/explore/copperband-butterflyfish)
