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Lined Butterfly

Lined Butterfly

Origin

Indo-Pacific

Habitat Size

50-150 Liters

Water Type

Salt Water

Water Temperature

24º-28ºC

Cost in India

₹80 - ₹150

Size

2 - 6 inches (Small)

Diet

Omnivore

A Lined Butterflyfish with black stripes and yellow tail swimming next to branching coral
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by Happy Pet TeamUpdated on 1 Dec 2025

The Lined Butterflyfish (scientific name Chaetodon lineolatus) is a bright, beautiful marine fish. It has a white body with many thin black lines, plus a bold black band near its tail. The fins and tail often show yellow hues. It is one of the larger butterflyfishes in its genus.

This fish is popular among advanced marine aquarium keepers, though it is not easy to care for because of its special needs.

Lined Butterfly fish Origin

  1. The Lined Butterflyfish belongs to the butterflyfish family Chaetodontidae.
  2. It lives in the Indo-Pacific region, from the Red Sea and East Africa, across the Indian Ocean, to parts of Australia, southern Japan, and Hawaii.
  3. In the wild, it is seen in coral reefs and lagoons, usually in areas rich in coral.

Temperament

  1. The Lined Butterflyfish is territorial and can become somewhat aggressive toward fish that invade its space.
  2. It often lives in pairs in nature.
  3. Because it has a strong preference for coral polyps and small invertebrates, it may “nibble” on coral or sensitive animals in an aquarium. So it is not considered fully “reef safe.”

Compatibility

  1. It can cohabit with larger, robust marine species that don’t get too close to its feeding area, once it is well settled.
  2. Avoid keeping it with small, delicate fish or reef corals and invertebrates that it might eat (like anemones or fragile corals).
  3. Do not keep multiple fish of very similar appearance in the same tank, unless you have a huge space, as that may lead to conflict.

Lined Butterflyfish Price Range

In India, the Lined Butterflyfish has a cost of about ₹1,050 online. This one is less affordable than many others. However, the cost may change according to fish size. The price hinges also on availability as well as the seller’s location.

Characteristics

Temperament

Aggressive

Friendly

Compatibility with other fishes

Not Friendly

Super Friendly

Habitat Size

Small

Large

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Lined Butterflyfish Habitat Requirements

Initial Setup Cost

₹4,000 - ₹12,000

Water Temperature

24º -28ºC

Water Type

Salt Water

PH Level

8.1 - 8.4

Lined Butterflyfish Tank Type

  1. Saltwater (marine) tank only
  2. Not suitable for brackish or freshwater systems

Aquarium Size

  1. Needs a very large tank, which is a minimum of 700 liters (≈ 185 gallons)
  2. Many hobbyists say one specimen should get solo space to roam.

Water Conditions

  1. Temperature: 23 °C to 27 °C
  2. pH: 8.2–8.4
  3. Water hardness (salinity/general hardness): Should match typical reef seawater (around 35 ppt salinity, stable marine hardness).
  4. It lives naturally from a depth of 2 m to 171 m, though more often under ~30 m depth.

Environment Needs

  1. Lots of live rock for hiding and grazing
  2. An open swimming space is essential — it is for active swimmers.
  3. Good flow and water quality to mimic its reef habitat
  4. Because it may eat or damage corals, anemones, or small invertebrates, such items should be used carefully or avoided.

Essential Equipment

Aquarium tank

Water filter

Heater

Light

Substrate

Decor

Lined Butterflyfish Nutritional Guide

Avg Monthly Expenses

₹80 - ₹ 150

Lined Butterflyfish Diet Type

  1. It is omnivorous, even though it leans toward both coral and some small invertebrates.

Suitable Foods

  1. Coral polyps and small anemones (in nature)
  2. Small algae, zooplankton, crustaceans, and invertebrates
  3. In an aquarium: frozen or live brine shrimp, mysis shrimp, zooplankton, micro-algae (e.g. spirulina), etc.

Feeding Frequency & Tips

  1. Offer tiny portions many times each day, not one large meal.
  2. You can gradually introduce substitutes that are frozen, live, or prepared, so it learns to eat in captivity with foods it likes at first.
  3. Ensure it does not starve in the early days since new food is often hardest to accept.
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Lined Butterflyfish Health & Care

Common Health Issues

White spot / ick

Fungus

Bacterial infections

Velvet disease (yellowish-brown spots on the skin)

Swim bladder disease

Parasitic infections

Signs of good health

Active

Bright coloration

Good apetite

Signs of sickness

Loss of appetite

Lethargic behaviour

Dull coloring

White growths

Swollen abdomen

Common Health Issues

  1. Malnutrition or starvation (if it refuses captive food)
  2. Stress from poor water quality
  3. Parasite infections, like typical marine fish diseases (e.g., ich)

Symptoms to Watch

  1. Loss of appetite
  2. Faded or dull color
  3. Lethargy or hiding more than usual
  4. Spots, lesions, or visible parasites

Treatment

  1. Use marine-safe medications targeting parasites, but avoid chemicals that harm corals if any are present.
  2. Quarantine new individuals
  3. Slowly acclimate to water changes to avoid shock.

Lined Butterflyfish General Health Tips

  1. Maintain superb water quality through frequent testing, as well as water changing
  2. Avoid overcrowding and stress.
  3. Rocks and the hiding spots do provide an improved environment.
  4. Monitor behavior as well as monitor appetite on a daily basis.

Prerequisites for a Fish

Adequate tank space

Cleanliness

Effort & commitment

Enriching Environment

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Written by

Happy Pet Team

Author

Team Happy Pet is a passionate collective of pet experts, enthusiasts, and advocates dedicated to sharing trusted and insightful content.

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Frequently Asked Questions

Do Lined Butterflyfish need companions?

They can be kept alone or in small groups. Ensure tankmates are peaceful and won't compete for food or harass them.

What is the ideal diet for Lined Butterflyfish?

Lined Butterflyfish are omnivores and should be fed a varied diet that includes algae sheets, frozen mysis shrimp, brine shrimp, and occasionally chopped squid or similar meaty foods. Offering a diverse diet helps ensure they receive the necessary nutrients.

Are Lined Butterflyfish suitable for beginners?

They are more suitable for intermediate aquarists due to their specific dietary needs and sensitivity to water quality. Beginners should gain some experience in maintaining marine aquariums before keeping Lined Butterflyfish.