Threadfin Cardinal

Apogon leptacanthus

(1 Reviews)

Threadfin Cardinal

Threadfin Cardinal

Apogon leptacanthus

(1 Reviews)

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Threadfin Cardinal Care Facts

Care Level: Easy
Temperament: Peaceful
Diet: Carnivore
Reef Safe: Yes
Minimum Tank Size: 10 gallons
Max Size: 3 inches
The Threadfin Cardinal, Apogon leptacanthus,has a semi-transparent yellowish silver color, with vertical iridescent blue lines on the face. They hardy and a great choice for a beginner. Since they are very peaceful and social fish, they are best kept in a peaceful reef tank and can even be kept in schools if the tank is large enough.

Cardinals are reef safe and will not bother any corals or inverts present in the tank. Though they are slower swimmers which makes them slower eaters as well. Diet should include a variety of live or frozen mysis or vitamin enriched brine shrimp, 2-3 times daily.


Unlock Aquatic Elegance: Threadfin Cardinal (Apogon leptacanthus) Care Guide

Embark on a journey into the realm of aquatic elegance with the Threadfin Cardinal (Apogon leptacanthus). This detailed and formal description unravels the mysteries of this captivating species, covering an array of essential aspects, from its natural habitat and reef compatibility to size, sexual dimorphism, lifespan, dietary preferences in captivity, aquaculture availability, compatibility with other marine denizens, temperament, detailed tank requirements, and nuanced water conditions. Explore alternative common names, discover suitable tank mates, and understand the rationale behind acquiring Threadfin Cardinals from the esteemed supplier,

The Natural Habitat and Oceanic Splendor of the Threadfin Cardinal

Threadfin Cardinals, native to the Indo-Pacific region, grace the coral-rich waters with their slender and delicate profiles. Found in the vicinity of coral reefs, they showcase a proclivity for thriving in intricate aquatic ecosystems.

Reef Compatibility and Aquatic Poise of the Threadfin Cardinal:

Regarded as reef-safe, Threadfin Cardinals seamlessly blend into the intricate tapestry of coral environments. Their streamlined bodies and subdued coloration make them an unobtrusive yet visually captivating addition to reef aquariums.

Size, Sexual Dimorphism, and Lifespan of the Threadfin Cardinal:

With a modest size, typically around 3 inches, Threadfin Cardinals exhibit subtle sexual dimorphism. Males often possess more elongated dorsal filaments. Given proper care, they can grace your aquarium with their presence for several years.

Dietary Preferences and Aquaculture Potential of the Threadfin Cardinal

In captivity, Threadfin Cardinals thrive on a varied diet comprising high-quality pellets, flakes, and small live or frozen foods. While aquaculture availability may be limited, sourcing from reputable suppliers like ensures the ethical and sustainable procurement of these mesmerizing creatures.

Compatibility and Temperament of the Threadfin Cardinal:

Threadfin Cardinals are known for their peaceful temperament, making them suitable companions for a variety of tank mates. Their unassuming demeanor adds a sense of tranquility to your marine sanctuary.

Tank Requirements and Water Conditions for the Threadfin Cardinal:

To provide optimal conditions for Threadfin Cardinals, maintain a minimum tank size of 10 gallons. Water parameters should be kept within the range of pH 8.1-8.4, salinity 1.023-1.025, and a stable temperature between 75-80°F.

Alternative Common Names and Compatible Tank Mates for the Threadfin Cardinal:

Threadfin Apogon: Reflecting their scientific nomenclature.
Longspine Cardinalfish: Describing their elongated dorsal fin spines.

Five Compatible Tank Companions for the Threadfin Cardinal:

  1. Firefish Goby: Adding diversity to your aquarium.
  3. Banggai Cardinalfish: Fostering a serene community ambiance.
  5. Dartfish: Enhancing the dynamic visual appeal.
  7. Chalk Bass: Introducing vibrant hues to the aquatic palette.
  9. Dwarf Angelfish: Complementing their peaceful nature.

Why Choose for the Threadfin Cardinal

Selecting Threadfin Cardinals from ensures a commitment to responsible marine stewardship. With meticulous quarantine procedures, ethical sourcing, and expert care, stands as a trusted source for top-quality marine specimens. The dedication to the well-being of these creatures aligns with a shared passion for preserving the beauty of marine life.

In conclusion, the Threadfin Cardinal (Apogon leptacanthus) epitomizes aquatic sophistication. Their slender frames, peaceful demeanor, and compatibility with various tank mates make them a prized addition to any saltwater aquarium. Choose as your gateway to acquiring these enchanting creatures, and embark on a voyage of aquatic wonder.

Beautiful Threadfin Cardinal swims in out of the rock formation in the saltwater fish tank. Healthy and energetic after acclimation.

Reviewed by: Orlando Asumata on Sept. 11, 2021

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