Least Killifish 1-2cm


Price:
Last stocked at  Sale price£2.95
Stock:
CURRENTLY OUT OF STOCK
Nationwide Livestock Delivery
From £24 • Thursday, Friday & Saturday
£50 Min Order • Arrive Alive Guarantee

Click & Collect Currently Unavailable

Description

Least Killifish – The Tiny, Colorful Gem for Your Aquarium
(Heterandria formosa)

The Least Killifish (Heterandria formosa) is a captivating, tiny fish that packs a big punch of color and charm! Known for being one of the smallest livebearers, this petite species is a perfect choice for nano aquariums or aquascapes. With their bright coloration and peaceful nature, they bring a lot of personality to even the most compact setups.

Key Features:

  • Tiny Yet Beautiful: At only 1-1.5 inches long, the Least Killifish is one of the smallest freshwater fish available. Despite their size, they are known for their vibrant, shimmering appearance, often exhibiting hues of gold, silver, and subtle iridescent blues.

  • Peaceful & Social: These fish are gentle and peaceful, making them ideal for community tanks. They thrive in groups and display a calm, natural behavior, often interacting with each other in small schools.

  • Livebearer: As a livebearer, the Least Killifish gives birth to fully formed, miniature fish rather than laying eggs. This trait makes them an interesting species to observe, especially during their breeding period.

  • Ideal for Nano Tanks: With their small size and calm nature, they are perfect for nano tanks and small aquascapes. Their playful behavior and bright colors add life to any small tank environment.

Tank Compatibility:

  • Freshwater Aquariums

  • Nano Tanks & Species Tanks

  • Tankmates: Best kept with other small, peaceful fish, such as small tetras, rasboras, and shrimp. Avoid larger, more aggressive species that might intimidate or harm them.

Care Requirements:

  • Temperature: 70°F–80°F

  • pH: 6.5–7.5

  • Soft to moderately hard water

  • Provide plenty of live plants, rocks, and hiding places to help them feel secure and comfortable.

  • A well-planted tank will encourage natural behaviors and breeding.

Feeding Tips:

  • As omnivores, Least Killifish will eat a variety of foods, including high-quality flakes, micro-pellets, and small live or frozen foods like brine shrimp and daphnia.

  • A varied diet will help maintain their vibrant color and overall health.

Why Choose the Least Killifish?
The Least Killifish (Heterandria formosa) is a charming and vibrant addition to any aquarium. Their tiny size, peaceful nature, and interesting live-bearing reproduction make them an intriguing species to keep. Whether you have a nano tank or a community setup, these colorful gems are sure to add a touch of personality and grace to your aquascape.

Whether you’re collecting from our store, ordering dry goods, arranging local delivery or having livestock delivered nationwide, we’ve made it simple to choose the right option.


Click & Collect

FREE COLLECTION FROM OUR STORE

Place your order online and select Click & Collect at checkout.

Livestock will normally be bagged when you arrive, helping to minimise the amount of time animals spend packaged. If you’d prefer your livestock to be ready beforehand, simply contact us in advance.


Local Delivery

DELIVERED BY TROPICAL SUPPLIES • WITHIN 25 MILES

Order from our in-store range and have it delivered directly to you using our own local delivery service.

Minimum order: £50

Local Delivery Charges:
Up to 5 miles — FREE
5–10 miles — £10
10–15 miles — £15
15–20 miles — £20
20–25 miles — £25

Distances are measured “as the crow flies” rather than by road.

Once your order has been placed, we’ll contact you to arrange a suitable delivery date and time. We often combine nearby orders into efficient delivery runs, so local delivery may take a little longer during busy periods.

Ordering a large aquarium?
Please make sure someone is available to help unload the aquarium from our van when we arrive.


Dry Goods Delivery

FREE UK Delivery Over £75

Spend £75 or more on eligible dry goods and receive FREE UK delivery on orders weighing up to 20kg.

A great opportunity to stock up on food, treatments, filter media, accessories and other aquarium or reptile essentials while saving on delivery.

Free delivery applies to eligible orders up to 20kg and excludes livestock, aquariums, terrariums and other oversized items.

Qualifying orders will automatically show the FREE UK Delivery option at checkout — no discount code required.

Standard Parcel Delivery

Our standard parcel delivery charges are calculated according to the weight of your order and the available delivery service.

Orders placed before 12 noon may be dispatched the same day on our current dispatch days.

Express Pallet

75–500kg • Usually 1–3 working days

Designed for large and heavy orders that cannot be sent using our standard parcel service.

Please note: We currently dispatch parcels Wednesday to Friday.

Adding Something to an Existing Order?

If your original order hasn’t been dispatched yet, simply place the additional items as a Click & Collect order and leave us a note asking us to combine them with your existing order.


Available to Order

See something you want that we don’t currently have on the shelf? Many of our products can be quickly sourced from our suppliers.

Products marked Available to Order are not currently held in stock at our store but are available for us to order on your behalf.

Most items arrive with us within a few days and usually no longer than a week, depending on supplier availability.

Once your item arrives with us, we’ll either dispatch your order or let you know it’s ready for collection, depending on the delivery option you selected.

After receiving your order, we’ll check availability with our supplier. If there are any issues or expected delays, we’ll contact you to let you know.


Nationwide Livestock Delivery

Have your new livestock delivered safely to your door using our specialist livestock delivery service.

Minimum livestock order: £50

Thursday Delivery — £24

Order by: Wednesday, 12 noon
Dispatched: Wednesday afternoon
Delivered: Thursday before 1pm

Friday Delivery — £24

Order by: Thursday, 12 noon
Dispatched: Thursday afternoon
Delivered: Friday before 1pm

Saturday Delivery — £29

Order by: Friday, 12 noon
Dispatched: Friday afternoon
Delivered: Saturday before 1pm

Livestock Delivery Exclusions

Unfortunately, our specialist livestock courier is currently unable to deliver livestock to the following postcode areas:

AB30–AB56 • DD8–DD10 • DG3–DG14 • FK17–FK21 • KA18–KA19 • KA26–KA30 • PA20–PA38 • PA80 • PH3–PH18 • PH20–PH40 • TR21–TR25

All BT, HS, IM, IV, JE and KW postcodes are also excluded.

If you’re unsure whether we can deliver livestock to your address, please contact us before placing your order and we’ll be happy to check for you.

Add Dry Goods to Your Livestock Order

You can include suitable dry goods with your livestock delivery, making it easy to add food, treatments, filter media, accessories and other supplies at the same time.

Please note: Livestock deliveries cannot include frozen food or heavy items such as gravel, sand or other unsuitable bulky goods. These items must be ordered separately using an appropriate delivery method.

Already Placed Your Order?

No problem. If your livestock order hasn’t been dispatched yet, place another order using Click & Collect and leave us a note asking us to combine it with your existing order.



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