Threadfin Acara Acarichtys Heckelii 4cm

Image for illustration purposes only. Exact colours, patterns, and size may vary between individuals.

£33.00

Delivered alive, guaranteed

Live fish delivery is £20 per order, delivered Thursday, Friday or Saturday, arriving before 1:00pm on the day you choose at checkout. Packed by aquatic specialists and shipped overnight with a dedicated livestock courier, every fish is covered by our Live Arrival Guarantee with automatic refunds. See How Live Fish Delivery Works for full details.

When will my fish arrive?

Order placedDelivery day
Up to Monday 11:00amThursday (that week)
Monday after 11:00am – Tuesday 11:00amFriday (that week)
Tuesday after 11:00am – Wednesday 11:00amSaturday (that week)
Wednesday after 11:00am – Sunday (any time)Thursday (following week)

Threadfin Acara Acarichtys Heckelii 4cm Overview: The Threadfin Acara, scientifically known as Acarichtys heckelii, is a captivating freshwater fish known for its unique appearance and serene demeanor. This species boasts an elongated body adorned with striking colors and remarkable thread-like fins, making it a standout addition to any aquarium. Origin: Native to the slow-moving rivers and floodplains of the Amazon Basin in South America, the Threadfin Acara has adapted to a variety of water conditions, thriving in both soft and slightly acidic environments. Feeding: Omnivorous by nature, the Threadfin Acara's diet should be diverse, including high-quality flakes or pellets designed for tropical fish, supplemented with live or frozen foods such as brine shrimp, bloodworms, and daphnia. Regular feeding, coupled with a balanced diet, ensures vibrant health and coloration. Tank Mates: Ideal for community tanks, the Threadfin Acara is peaceful and can coexist with many other species. Suitable tank mates include other similarly sized and tempered fish such as tetras, rasboras, and dwarf cichlids. Avoid pairing with very small, aggressive, or overly territorial species to maintain harmony within the aquarium. Aggression: This species exhibits minimal aggression, making it a perfect resident for a peaceful community tank. However, males may display territorial behaviors during breeding. Providing ample space and hiding spots can help minimize any potential disputes. Experience Level: The Threadfin Acara is suitable for aquarists of all levels, from beginners to experts. Its hardy nature and adaptable dietary preferences make it a low-maintenance choice for those new to fish keeping, while its unique appearance and behavior will appeal to seasoned enthusiasts. Water Parameters:
  • Temperature: 75°F to 82°F (24°C to 28°C)
  • pH: 6.0 to 7.5
  • Hardness: 5 to 15 dGH
  • Water quality should be maintained through regular water changes and efficient filtration to ensure the health and longevity of your Threadfin Acara.
In conclusion, the Threadfin Acara is a beautiful, peaceful, and easy-to-care-for addition to any tropical freshwater aquarium. Its fascinating appearance and amiable nature make it a favorite among aquarists seeking to add a touch of elegance and tranquility to their aquatic setups.

Please Note

The livestock that is sold on our online site is not held in store at our Birchwood Aquatic Centre shop. Species sold at the Birchwood Aquatic Centre physical store may differ from ones available to order to your door.

Frequently Asked Questions

In insulated boxes designed for live transport, packed by aquatic specialists,
overnight with a licensed live-animal courier, arriving before 1pm.

It is covered by our Live Arrival Guarantee.
Photograph it within 4 hours of delivery, email info@birchwoodaquaticcentre.co.uk with your order number, and the refund is processed automatically. The cover continues for 7 days after arrival.


Wednesday, Thursday, Friday and Saturday. You pick your day at checkout; please choose a day someone is home.

Yes. One basket, one checkout; the fish arrive with the specialist courier and the rest of your order ships as normal.

We can deliver to UK mainland only for live fish.

Follow the five-minute acclimatisation steps in our When Your Fish Arrive guide: float the bags, add tank water gradually, net the fish in, lights low, feed tomorrow.