Next working day delivery with Royal Mail Tracked 24
Description
Overview:
The Threadfin Cardinal is a small, peaceful, and visually striking schooling fish, recognized for its slender body, translucent fins, and delicate thread-like extensions on its dorsal and caudal fins. Ideal for reef tanks, it adds motion and elegance in groups, creating a dynamic display.
Origin:
Native to the Indo-Pacific, commonly found on coral reef slopes and lagoons from the Red Sea to the central Pacific.
Feeding:
Carnivorous – thrives on small meaty foods, including brine shrimp, mysis shrimp, and finely chopped seafood, as well as high-quality frozen preparations. Feed multiple times daily for optimal health.
Tank Mates:
Peaceful and schooling by nature, best kept in groups of 6 or more. Compatible with other non-aggressive reef fish. Avoid housing with large predatory species.
Aggression:
Non-aggressive – peaceful schooling fish that prefers the safety of groups.
Experience Level:
Beginner to intermediate aquarists – hardy, adaptable, and reef-safe, making it a great choice for community marine tanks.
Water Parameters:
- Temperature: 74–80°F (23–27°C)
- pH: 8.1–8.4
- Salinity: 1.020–1.025
- Minimum Tank Size: 50+ gallons
The Threadfin Cardinal is a peaceful, schooling marine fish that brings both color and movement to reef aquariums, ideal for hobbyists looking to create a lively community display.
DX courier delivery is £20 per livestock order.
Delivery is scheduled for your selected delivery date and typically arrives before 1pm.
There is no minimum or maximum order value.
Additional information:
- In-stock livestock orders will be processed and dispatched for delivery on the date selected on the cart/basket page.
- Available delivery days are Wednesday, Thursday, Friday, and Saturday.
- If any stock issues affect your chosen delivery date, we will contact you as soon as possible by email or telephone.
- Shipping for dry goods is charged separately from livestock delivery. Dry goods are dispatched according to our standard delivery policy.
- All livestock remains covered by our 7-day guarantee.

