Yellow Teardrop Butterfly

Last time this was in stock, it was £41.00


Yellow Teardrop Butterfly, Chaetodon interruptus

  • Common Name: Yellow Teardrop Butterfly
  • Latin Name: Chaetodon interruptus
  • Synonyms: None
  • Distribution: The Yellow Teardrop Butterfly is naturally occurring in the eastern Pacific Ocean, specifically found along the coastlines of California and Baja California.
  • Max Size: The Yellow Teardrop Butterfly can reach a maximum size of approximately 5 inches (12.7 cm) in length.
  • Temperature Range: The recommended temperature range for the Yellow Teardrop Butterfly is between 72°F and 78°F (22°C – 26°C).
  • pH Range: They prefer a pH range of 8.1 to 8.4.
  • KH Range: The recommended KH range for the Yellow Teardrop Butterfly is between 8 and 12 dKH.
  • Care Level: The care level for the Yellow Teardrop Butterfly is considered moderately difficult. They require stable water conditions and specific dietary requirements.
  • Lighting Preference: They thrive in aquariums with moderate to high lighting levels.
  • Preferred Food: The Yellow Teardrop Butterfly primarily feeds on a varied diet consisting of small meaty foods such as frozen mysis shrimp, brine shrimp, and quality flake or pellet foods.
  • Behaviour: Yellow Teardrop Butterflies are known for their peaceful nature and active swimming behaviour. They are generally non-aggressive toward other fish species.
  • Suitable for Reef Tanks: Yes, the Yellow Teardrop Butterfly can be suitable for reef tanks. However, caution should be exercised when introducing them to a reef environment, as some individuals may nip at certain types of corals.
  • Discoverer: The Yellow Teardrop Butterfly (Chaetodon interruptus) was not named after a specific discoverer.
  • Interesting Facts:
  • The Yellow Teardrop Butterfly is known for its vibrant yellow colouration and distinct teardrop-shaped pattern near the eye.
  • In the wild, Yellow Teardrop Butterflies are found in rocky reef habitats, often seen near kelp forests and other submerged structures.

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Free shipping on orders over £50 (may exclude some aquariums)  Geographical restrictions may apply

LIVESTOCK = Fish, Critters and Corals

Minimum order value £30Delivery charge £19.99. Delivery days Are Varied At The Moment.  We will contact you to confirm your delivery day. Some geographical restrictions apply See shipping

Aquarium Plants: Are shipped the same as and can be mixed with Dry goods *Free shipping on orders over £50 or £6.99 for orders under £50. Some geographical restrictions may apply.

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The Yellow Teardrop Butterfly (Chaetodon interruptus) is a visually striking fish species known for its vibrant colours and unique markings. It can grow up to a maximum size of around 6 inches (15 centimetres). This butterflyfish has a sleek and compressed body shape with elongated dorsal and anal fins. Its body is predominantly yellow, adorned with eye-catching black markings. One distinct feature is a teardrop-shaped black mark behind the eye, which gives the fish its common name.

Natural Habitat

The Yellow Teardrop Butterfly is typically found in tropical coral reef environments. It inhabits areas with clear and warm waters, often residing in shallow reef slopes and lagoons. Its natural habitat is characterized by an abundance of coral formations, providing the fish with hiding places and sources of food. These butterflyfish prefer areas with moderate to strong water flow, as it aids in dispersing their eggs and larvae.

Keeping  Yellow Teardrop Butterfly Healthy:

Keeping the Yellow Teardrop Butterfly healthy requires moderate care and attention. It is important to create a suitable aquarium environment that closely replicates their natural habitat. The water quality should be carefully maintained, with regular monitoring of temperature, pH levels, and salinity. Ensuring proper filtration and circulation is crucial for maintaining optimal water conditions.

Special Requirements and Feeding

The Yellow Teardrop Butterfly has specific dietary requirements. It primarily feeds on a variety of marine algae, small invertebrates, and coral polyps. Providing a well-balanced diet consisting of high-quality commercial foods, such as flake or pellet foods designed for omnivorous marine fish, is essential. Additionally, supplementing their diet with fresh or frozen foods like brine shrimp, mysis shrimp, and finely chopped seafood can help meet their nutritional needs.

How Many Should I Keep?

It is generally recommended to keep the Yellow Teardrop Butterfly in pairs or small groups to provide social interaction. However, the specific number of fish that can be kept in an aquarium depends on the tank’s size, filtration capacity, and compatibility with other tank mates.

Lighting Preference

The Yellow Teardrop Butterfly thrives in aquariums with moderate to high lighting levels. Proper lighting helps support the growth of beneficial algae, which serves as a natural food source for these fish. Providing a suitable lighting spectrum, such as a combination of daylight and actinic lights, helps enhance their vibrant colours and overall well-being.

Suitable Tank Mates

When selecting tank mates for the Yellow Teardrop Butterfly, it is important to consider their compatibility with other fish and invertebrates. Peaceful and non-aggressive species that share similar water requirements and diet preferences are usually suitable companions. However, caution should be exercised when introducing them to potential tank mates to prevent any aggression or territorial disputes.

The Yellow Teardrop Butterfly, with its striking appearance and lively behaviour, can be a captivating addition to a well-maintained marine aquarium. Its delicate nature requires diligent care and attention, ensuring optimal water conditions, suitable diet, and compatibility with tank mates.

Reproduction in the Wild

The reproductive cycle of the Yellow Teardrop Butterfly begins with courtship behaviours, where males and females engage in intricate displays to attract a mate. These behaviours often involve graceful swimming patterns, fin flaring, and vibrant colouration to signal their readiness to reproduce. Courtship rituals help establish compatibility and readiness between potential mates.

Once courtship is successful, the female releases her eggs into the water column. The eggs are typically small and buoyant, allowing them to float freely in the ocean currents. This dispersal strategy increases the chances of the eggs encountering favourable conditions for development and survival.

Simultaneously, the male Yellow Teardrop Butterfly releases his sperm into the water, fertilizing the eggs externally. This external fertilization method is common among many marine fish species.

Breeding: Chaetodon interruptus

  1. Set Up:

To encourage breeding, a well-established aquarium with stable water conditions is essential. The tank should provide ample swimming space and include live rock or coral structures for the fish to explore and potentially lay their eggs on.

  1. Courtship/Spawning:

During courtship, male and female Yellow Teardrop Butterflies engage in elaborate displays of behaviour. This can involve circling each other, fin flaring, and vigorous swimming. Once courtship is successful, the female releases her eggs into the water column, while the male simultaneously releases his sperm to fertilize them.

  1. Rearing:

After spawning, the eggs float freely in the water. The Yellow Teardrop Butterfly does not provide parental care for the eggs or the hatched larvae. The eggs hatch into transparent larvae known as “planktonic fry.” These larvae then undergo a pelagic phase, drifting with ocean currents, feeding on plankton until they undergo metamorphosis and settle onto a suitable substrate, such as coral, to continue their growth.

Sexual Dimorphism

Sexual dimorphism in the Yellow Teardrop Butterfly is minimal. Both males and females share similar body shapes, colouration, and markings, making it challenging to differentiate between the sexes based on physical characteristics alone.


The Yellow Teardrop Butterfly is naturally found in the tropical waters of the Indo-Pacific region, including areas such as the Red Sea, the Maldives, and the Seychelles. While there may be captive-bred or line-bred strains available in the aquarium trade, the original fish from which these strains derive are primarily sourced from the wild populations in their native range.


The Yellow Teardrop Butterfly, scientifically known as Chaetodon interruptus, is a visually stunning fish species with its vibrant yellow colouration and distinctive black markings. This delicate butterflyfish requires moderate care and attention in a well-maintained marine aquarium. It thrives in environments that mimic its natural habitat, including proper lighting, water quality, and suitable tank mates. While breeding the Yellow Teardrop Butterfly in captivity can be challenging due to its pelagic larval stage, providing the appropriate setup and conditions may increase the chances of successful reproduction. Overall, this species adds beauty and grace to marine aquariums and is a captivating addition for enthusiasts seeking to showcase the wonders of the underwater world.


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Dry Goods Delivery.

The store has provided information regarding their order dispatch and estimated delivery times. Here are the key details:

  1. Dispatch Timeframe: Orders placed before 2pm will be dispatched on the same day. Orders placed after 2pm will be dispatched on the next working day.
  2. Delivery Date and Time Guarantee: While the store aims to dispatch orders promptly, they cannot guarantee a specific delivery date and time. As the delivery process relies on couriers, there may be factors beyond their control that could affect the delivery timeframe.
  3. 1st Class Mail: For orders sent via 1st Class mail, the aim is to have them delivered on the next working day after dispatch.
  4. 2nd Class Mail: Orders sent via 2nd Class mail typically take approximately 2-3 working days for delivery after dispatch.
  5. APC Next Day Delivery: APC Next Day delivery is available for UK mainland postcodes. It is usually delivered on the next working day after dispatch. However, please note that items being delivered to more remote areas may require additional time for delivery.

It’s important to keep in mind that while the store strives to provide efficient delivery services, unforeseen circumstances or external factors could potentially impact delivery times. For further details or specific inquiries about delivery, customers should refer to the store’s terms and conditions or contact the store directly.

Livestock Delivery.

The store maintains specific policies regarding the delivery of livestock. Here are the key points:

  1. Licensed Livestock Courier: The store exclusively uses a licensed livestock courier for shipping fish and coral. This approach is chosen to ensure responsible and ethical transportation of the livestock.
  2. Livestock Shipping Fee: The livestock shipping fee charged to customers of £19.99 does not cover the true cost, and therefore, there is a minimum spend requirement of £30.00 before the option for livestock shipping becomes available.
  3. Pre-Arranged Delivery: The store never ships livestock without first arranging a suitable delivery day. Before dispatching the livestock, the store must confirm the agreed-upon delivery day with the customer.
  4. Saturday Delivery Confirmation: Customers who choose Saturday delivery must have their availability confirmed for the upcoming Saturday before the store sends out the livestock. This confirmation ensures that the livestock can be received promptly.
  5. Failure to wait for livestock: Not waiting for livestock, even if there is a reasonable delay, or cancelling an order after it has been dispatched will lead to you incurring charges for an emergency return to the base. Additionally, any losses of livestock will also be charged to you. Please be aware that the items you are ordering are living creatures – livestock. We kindly ask that you refrain from ordering livestock if you are unable to accommodate the possibility of a delayed delivery.

    These terms and conditions are a fundamental aspect of our policy. Our primary goal is to dissuade individuals who could react negatively to a delayed delivery and subsequently request order cancellations. It is of utmost importance to underscore that your order pertains to living creatures, not mere inanimate objects. In the event of an occasional delay, it is crucial that you respond in a rational and responsible manner, taking into account the welfare of the livestock. We kindly request that you refrain from placing an order for livestock if you tend to react strongly to such situations. By proceeding with the order of livestock, you indicate your acceptance and agreement to abide by these specified terms and conditions.

  6. Signature Requirement: Livestock deliveries require a signature upon receipt and cannot be left in a safe location. This precaution ensures proper handling and the well-being of the livestock.
  7. Geographic Restrictions: The courier has strict geographic restrictions for livestock deliveries. Unfortunately, deliveries to Northern Ireland, Republic of Ireland, Isle of Man, Isles of Scilly, Channel Islands, and certain Scottish offshore postcodes may not be possible. Customers are encouraged to contact the store via email to confirm if livestock delivery is available in their area.
  8. Minimum Order Value and Order Cancellations: The store has a minimum order value of £30 for livestock shipping. Additionally, the store reserves the right to cancel orders that are deemed high-risk or involve a high number of single tropical freshwater fish species.

It is essential for customers to familiarize themselves with these policies before making a purchase. For more detailed information or specific inquiries, customers should consult the store’s terms and conditions or reach out to the store directly for clarification.

Livestock Geographical Exemptions.

The store has specific geographical exemptions for livestock deliveries. Here is a list of the areas and postcodes where livestock delivery is not available:

  1. Islands: Livestock cannot be delivered to the Shetlands, Channel Islands, and Isle of Man.
  2. Postcodes: Livestock delivery is not available to the following postcodes:
  • AB30 to AB39, AB41 to AB45, AB51 to AB56
  • DD8 to DD10
  • BT all
  • DG3 to DG9, DG12 to DG14
  • KA18 to KA19, KA26, KA29 to KA30
  • HS all
  • IM all
  • JE all
  • ZE all
  • KW15 to KW17
  • TD9
  • FK17 to FK21
  • GY all
  • KA26, to KA28
  • PA20 to PA38, PA41 to PA49, PA60 to PA61, PA76 to PA78
  • TR21, to TR25
  • PH3 to PH26, PH30 to PH44
  • IV all

Customers residing in these areas should be aware that livestock delivery is not available to their location.

We can ship livestock to the Isle of Wight, this area is subject to a surcharge.

For further information or specific inquiries about livestock delivery to a particular area, customers are advised to contact the store directly for clarification.


According to the store’s policy, customers have the right to cancel an order within 14 working days of receiving the goods. To initiate the cancellation, the goods must be returned to the store in new and unused condition, adhering to their Returns Policy.

Important points regarding the return process are as follows:

  1. Return Condition: The goods must be returned in new and unused condition, as originally received. It is important to ensure that the goods are in the same condition as when they were sent out.
  2. Return Timeframe: The goods must be received by the store within 21 days of notifying them about the cancellation. During this time, customers are responsible for any loss or damage that may occur during the return shipping process.
  3. Refund Process: Once the store receives the goods in new and unused condition, they will initiate the refund process. The purchase price will be refunded to the customer.
  4. Return Condition Inspection: If the returned goods arrive in a condition that is less than what they were sent out in, the store reserves the right to return the goods to the customer, and no refund will be processed.

It is essential for customers to carefully review the store’s Returns Policy and follow the specified procedures to ensure a smooth and successful return and refund process. For more detailed information or specific inquiries, customers should consult the store’s terms and conditions or contact the store directly.


According to the store’s return policy, the following guidelines should be followed for returning goods:

  1. Use Returns Form: Customers need to use the store’s provided returns form to initiate the return process. This form helps the store acknowledge that the goods are being sent back.
  2. Return for Testing: If the goods are being returned for testing, the customer is responsible for covering the return shipping expenses.
  3. Refund of Postage Fees: The store will only refund postage fees if the order arrives damaged or becomes faulty within the first 4 weeks of purchase. Proof of posting is important, and customers should ensure the goods are well-packed and obtain proof of posting as the goods remain their responsibility until received by the store.
  4. Refund of Postage Costs for Replacement: If goods are being returned within 7 days of purchase under the Replacement Policy, the store can refund postage costs. However, the customer needs to agree on a delivery service with the store in advance, and only standard or tracked shipping fees will be refunded. The store cannot refund the cost of any special delivery service.
  5. Non-Refundable Postage: Postage costs for goods returned for any other reason than those mentioned above are non-refundable. The store reserves the right to deduct the original postage cost from any applicable refund.
  6. Mistaken Purchases: If a customer has made a mistake in their purchase, they need to return the goods to the store. The customer is responsible for the return shipping costs in such cases.

It is important for customers to carefully follow the store’s return procedures and terms and conditions. For further details or specific inquiries, customers should refer to the store’s website or contact the store directly.


If customers receive faulty goods, the following guidelines apply according to the store’s policy:

  1. Notification of Faulty Goods: Customers must notify the store within 7 working days if they receive faulty goods. This notification should be made as soon as possible.
  2. Replacement Parts: If possible, the store will dispatch replacement parts for the faulty goods.
  3. Return of Goods: If replacement parts are not possible, the store may request customers to return the faulty goods in accordance with their Returns Policy. The specific return procedures and conditions should be followed.
  4. Verification of Damage: Once the store receives the returned goods, they will verify the damage. If the damage is confirmed, the store will supply the required replacements.
  5. Return Postage Costs: If the goods returned to the store are found to be in good working order, the store is not able to refund the return postage costs. Additionally, the store reserves the right to deduct their original postage cost from any applicable refund.
  6. Consequential Loss or Damage: The store cannot take responsibility for any consequential loss or damage that arises directly or indirectly from the goods supplied.

Customers should carefully review and adhere to the store’s Returns Policy and procedures for returning faulty goods. For further clarification or specific inquiries, customers should consult the store’s terms and conditions or contact the store directly.

Manufacturer’s Guarantees

The store works in collaboration with manufacturers to ensure that their guarantees are honored, and they make their best efforts to resolve issues within the warranty period. The following guidelines apply to refunds and replacements:

  1. Postage Costs under Manufacturer’s Guarantee: Postage costs can only be refunded if the goods are returned to the store within 7 days of the original purchase, as per the manufacturer’s guarantee.
  2. Refund of Postage Costs for Faulty Goods: The store will refund postage costs for guarantee/warranty returns only if the product becomes faulty within the first 4 weeks of receipt.
  3. Replacements with Manufacturer Authorization: Replacements, whether parts or goods, can only be offered when authorized by the manufacturer. Customers should contact the store for further guidance in such cases.
  4. Prior Approval for Returns: Goods should not be returned to the store without prior approval. Customers need to contact the store and obtain approval before returning any items.
  5. Replacement of Glass or Ceramic Items: Glass or ceramic items can only be replaced if the store is notified within 48 hours of receiving the delivery.
  6. Replacement of Glass Bulbs/Tubes: Glass bulbs or tubes can only be replaced if they become faulty within 14 days.

Customers should note and adhere to these guidelines to ensure a smooth and efficient resolution of any issues with their purchased items. For specific inquiries or further information, customers are advised to refer to the store’s terms and conditions or contact the store directly.


According to the store’s policy, customers have the following responsibilities regarding breakages:

  1. Checking Goods on Arrival: It is the customer’s responsibility to thoroughly check the goods upon arrival for any damage. This should be done before signing for the parcel. If the parcel appears damaged, it is advised not to sign for it.
  2. Reporting Breakages: Any breakages or damages must be reported to the store within 48 hours of receiving the goods. It is important to promptly notify the store to initiate the resolution process.

By carefully inspecting the goods upon arrival and reporting any breakages within the specified timeframe, customers can ensure that appropriate actions are taken to address the issue. For specific instructions on reporting breakages or further information, customers should refer to the store’s terms and conditions or contact the store directly.