Mimic Filefish

Last time this was in stock, it was £31.00

4-6cm

Mimic Filefish, Paraluteres prionurus

  • Common Names: Mimic Filefish, Black Saddle Filefish
  • Latin Name: Paraluteres prionurus
  • Distribution: Found in the tropical marine environments of the Indo-Pacific, from the Red Sea to the central Pacific Ocean. May not be naturally occurring in some regions.
  • Max Size: Typically reaches a size of around 4 inches (10 cm).
  • Temperature Range: Maintain water temperature between 78-82°F (25.6-28°C).
  • pH Range: Keep pH levels between 8.1-8.4.
  • KH Range: Maintain alkalinity levels between 8-12 dKH.
  • Care Level: Moderate (Note: They are a bit delicate in terms of care).
  • Lighting Preference: Adaptable to various lighting conditions.
  • Preferred Food: Primarily carnivorous, they feed on small invertebrates, copepods, amphipods, and filamentous algae. Live and frozen foods are ideal.
  • Behaviour: Generally peaceful but may exhibit territorial behaviour. Not recommended for aggressive tankmates.
  • Suitable for Reef Tanks: Best kept in a species-specific or peaceful community tank, as they may consume smaller invertebrates and nip at corals
  • Interesting Facts: Mimic Filefish are known for their striking pinecone-like appearance, which serves as camouflage in their natural habitat. They can be challenging to care for due to specific dietary needs and sensitivity to water conditions.

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The Mimic Filefish, scientifically known as Paraluteres prionurus, is sometimes called Black Saddle Filefish. this is a captivating marine species that reaches a maximum size of approximately 4 inches (10 cm). Its body is elongated, with an intricate pattern of alternating light and dark vertical bands resembling the shape and appearance of a pinecone.

Taxonomy:

The Mimic Filefish belongs to the Balistidae family, which includes triggerfish and filefish. Its distinctive appearance and close resemblance to the Toby Puffer which makes it stand out within the family. The genus Paraluteres comprises small, cryptic species of filefish, typically displaying striking patterns. The name “Paraluteres” is derived from the Greek words “para,” meaning ‘similar,’ and “lutra,” meaning ‘otter,’ underscoring their mimicry abilities.

Natural Habitat:

The natural habitat of the Mimic Filefish typically consists of coral reefs and rocky substrates in tropical marine environments. These areas are replete with an abundance of crevices, caves, and corals, providing ideal hiding spots. Their cryptic colouration and patterns help them blend seamlessly with the surrounding environment.

Keeping Mimic Filefish Healthy:

Maintaining the health of Mimic Filefish can be somewhat challenging due to their specific dietary requirements and sensitivity to water conditions. They fall into the moderate to difficult care level category. Ensure water temperature stays within the range of 78-82°F (25.6-28°C) and maintain a pH level of 8.1-8.4. Regular water changes and pristine water quality are paramount.

Special Requirements and Feeding:

Mimic Filefish have a specialized diet primarily consisting of live foods. They feed on small invertebrates, including copepods and amphipods, as well as filamentous algae. Offering a varied diet with live or frozen foods like Mysis shrimp and enriched brine shrimp is essential. Avoid housing them in reef tanks as they may consume smaller invertebrates and may nip at corals.

How Many Should I Keep:

Mimic Filefish can be territorial and may exhibit aggression towards conspecifics. Thus, it’s recommended to keep them singly unless you have a large tank with numerous hiding places and visual barriers.

Lighting Preference:

They do not have specific lighting requirements and can adapt to a variety of lighting conditions.

Suitable Tank Mates:

Mimic Filefish are best kept in a species-specific or peaceful community tank. Avoid housing them with other aggressive or territorial species. Potential tank mates include other peaceful fish, such as gobies, blennies, and some small wrasse species. Exercise caution when considering reef tanks, as they may pose a risk to smaller invertebrates and corals.

Reproduction in the Wild: 

Mimic Filefish (Paraluteres prionurus) engage in fascinating reproductive behaviours in their natural habitat. These behaviours are essential for their species’ survival and are indicative of their adaptation to tropical marine environments.

In the wild, Mimic Filefish engage in intricate courtship rituals that involve synchronized swimming patterns, visual displays, and physical contact. These courtship displays play a crucial role in mate selection and bonding between potential partners.

During courtship, males and females may swim closely together, with their bodies aligned in a synchronized manner. This behaviour helps them assess each other’s suitability as potential mates. Successful courtship culminates in the release of eggs by the female and the fertilization of those eggs by the male’s sperm. Fertilization typically occurs in the water column, where the eggs develop.

Breeding Black Saddle Filefish, Paraluteres prionurus:

  1. Set up: Breeding Mimic Filefish in captivity requires a dedicated setup. Start with a well-maintained, mature aquarium of at least 30 gallons (113.6 litres). Provide ample hiding spots and crevices within the tank to mimic their natural habitat.
  2. Courtship/Spawning: Courtship in Mimic Filefish involves intricate displays and behaviours. Males engage in vibrant fin displays and darting movements to attract females. Once a receptive female is identified, courtship intensifies. Spawning typically takes place near the substrate or within crevices. The female deposits adhesive eggs, which the male promptly fertilizes. It’s important to ensure there is a soft substrate or suitable substrate for egg attachment.
  3. Rearing: After fertilization, the eggs are guarded by the male. The incubation period varies but typically lasts for around 5-7 days, depending on environmental conditions. Once the eggs hatch, the fry are released into the water column. To rear the fry, provide them with appropriately sized live foods, such as rotifers and small copepods.

Sexual Dimorphism:

Mimic Filefish do not exhibit significant sexual dimorphism. Males and females have similar appearances, sharing the characteristic pinecone-like pattern and elongated body shape that makes them cryptic within their surroundings.

Distribution:

The original habitat of Mimic Filefish, Paraluteres prionurus, is primarily located in the tropical marine environments of the Indo-Pacific. Their distribution spans from the Indian Ocean, including the Red Sea, to the western and central Pacific Ocean. They inhabit coral reefs, rocky substrates, and areas with ample crevices, reflecting their affinity for cryptic surroundings.

Summary:

Mimic Filefish, scientifically known as Paraluteres prionurus, exhibit captivating behaviours in their natural habitat, contributing to their species’ survival and adaptation to tropical marine ecosystems. Breeding these filefish in captivity requires careful setup and monitoring, with distinct courtship and spawning behaviours observed. Their lack of significant sexual dimorphism is a notable feature, and their original habitat encompasses the diverse and vibrant marine environments of the Indo-Pacific.