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Description:
Neolamprologus multifasciatus, also known as Multies, Multi Shell Dwellers, or Shellies, are one of the most captivating nano cichlids available in the hobby. Endemic to the ancient waters of Lake Tanganyika in East Africa, these diminutive fish pack an extraordinary amount of personality into a remarkably small package. Males reach just 4–5 cm in length, while females are even smaller at around 2.5 cm, making them one of the tiniest members of the Cichlidae family.
Adults display a soft light brown to beige base colouration with a distinctive dark vertical banding pattern across the body. Their bright white or blue iris and black pupil give them a striking, alert expression. Fins are rounded and elegant, pectoral fins are transparent, pelvic fins are wing-shaped with a white leading edge, and the caudal fin features a single light peripheral band. Juveniles share the same light tan colouration but lack the banding and fin highlights of mature adults.
What truly sets Multies apart is their shell-dwelling lifestyle. In the wild, a dominant male establishes a colony by collecting and arranging small gastropod shells, creating a miniature underwater kingdom that houses a harem of females. Each female claims and meticulously maintains her own shell, rarely venturing far from it. This behaviour is fully replicated in the aquarium, making them one of the most interactive and behaviourally rich species you can keep.
Their manageable size, relative hardiness, and fascinating social dynamics make them an excellent choice for aquarists looking to explore something truly unique, from curious beginners to seasoned cichlid enthusiasts.
Our personal favourite shells to use are empty escargot shells, large, tough, and perfectly sized for Multies to spawn in, live in, and most importantly, move around. These fish are dedicated earth movers. They will rearrange their environment entirely to suit themselves, pushing shells across the substrate and burying rival males' shells to eliminate competition and force opposing males to establish territories further away. The result is a tank that can look completely different every time you check in, making them one of the most entertaining and interactive species you can keep.
Temperament:
Multies are peaceful within their own colony but highly territorial around their shells. A single dominant male will oversee a group of females, and while intra-colony squabbles are common, they rarely result in injury. Their territorial nature is directed primarily at the substrate level, making tank mate selection important.
They can be kept in a community setting, but tank mates must occupy the middle or upper water column to avoid encroaching on shell territories. Species that bottom-dwell or compete for substrate space are not recommended. When kept in a species-only setup, Multies thrive and display their full range of natural behaviours with minimal stress.
Diet:
Multies are commonly carnivorous in the wild but have adapted to omnivorous diets in captivity and are relatively easy to feed. In the wild, they forage for small invertebrates, larvae, and organic matter around the shell beds of Lake Tanganyika. In the aquarium, they readily accept high-quality micro pellets such as Frenzy Sinking 1mm Pellets or fine flakes like Xtreme Community Crave as a staple diet.
To keep them in peak condition, supplement with live or frozen foods such as baby brine shrimp, daphnia, and micro worms. Their small mouths require appropriately sized food, so finely crushed or micro-format foods are essential. In our fish room we still skip a day or two of feeding to encourage healthy digestion, please visit our diet tab for more information.
Breeding Behaviour:
Neolamprologus multifasciatus are one of the most rewarding shell-dwelling cichlids to breed in the home aquarium. Once a colony is established, breeding occurs naturally and frequently with minimal intervention. Males will actively court females, displaying and posturing near the shell cluster to assert dominance and attract mates.
Females spawn directly inside their chosen shell, depositing eggs in the protected interior where they are fertilised and guarded. Unlike many African cichlids, Multies lack egg spots on their caudal fins, a trait directly linked to their shell-spawning strategy, as the eggs are already well-protected and do not require distraction displays.
Eggs typically hatch within 48–72 hours, with fry remaining inside the shell for several more days before emerging as free-swimming juveniles. Newly hatched fry require very fine foods such as infusoria, Xtreme Nice Crumble or fry powder, then progressing to baby brine shrimp and slighly larger pellet foods such as our smaller Frenzy Sinking 0.5mm Pellets as they grow. The colony will naturally expand over time, providing additional shells encourages females to establish new territories and supports population growth.
To encourage breeding, maintain stable, clean water with a slight alkaline pH to replicate Lake Tanganyika conditions, provide an abundance of small shells, and offer a varied, high-quality diet to keep the colony in optimal condition.
Care Guide:
- Species – Neolamprologus multifasciatus
- Common Name – Multies, Multi Shell Dweller, Shellie
- Origin – Lake Tanganyika, Africa
- Temperament – Peaceful
- Diet – Omnivore
- Minimum Tank Requirement – 40 litres for a small colony
- Tank Level – Bottom Dweller (Shell Dweller)
- Care Level – Easy
- PH Range – 7.0 – 8.5
- Temperature – Tropical 24°c – 26°c
- Breed Type – Shell Spawner
- Size – Males approximately 5cm, Females approximately 2.5cm
- Sex – Un-sexed
Acclimation Guide:
- Float the Bag: Place the unopened bag in your tank and let it float for 15–20 minutes. This lets the water inside the bag slowly match your tank’s temperature.
- Turn Off the Lights: Keep the aquarium lights off during this process. It helps keep things calm and prevents sudden temperature changes.
- Add a Bit of Tank Water: After floating, carefully open the bag and pour out about half the water into a sink or bucket (not into your tank). Then, slowly add small amounts of your tank water into the bag over 15–20 minutes. This helps your fish adjust to the new water conditions.
- Gently Move the Fish: Use a fish net to gently move your fish from the bag into the tank. Try not to pour the bag water into your tank — this helps keep your aquarium clean and healthy.
- Watch and Wait: It’s normal for fish to hide or act a bit shy at first. Keep an eye on them, and avoid doing a water change for the first 24 hours to give them time to settle in.
- Feeding Behaviour: New fish may not eat any food for the first 12-24 hours whilst it is settling into its new environment, please allow some time before feeding as the food may go to waste.
For more detailed steps and tips, feel free to visit our Acclimation Guide in our Education tab to help make the transition as smooth as possible for your new fish.
Neolamprologus multifasciatus - Shellies
Neolamprologus multifasciatus - Shellies
Size Guide
Adult size 5cm
Selected size —
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Shipping & Live Arrival Guarantee
Shipping & Live Arrival Guarantee
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Tank Requirements - Quick Overview
Tank Requirements - Quick Overview
If your aquarium is new, it may not be fully cycled yet. Newly set up tanks benefit from being fully cycled before adding fish, this process helps your new fish stay happy and healthy. Depending on your tank size, cycling can take up to 4–6 weeks or even longer, but there are ways to speed up this process to just a few days! If your tank has already been running for a while, you’re already good to go! Not sure what cycling means? Check out our guide on The Nitrogen Cycle for an easy explanation on what it is, and why it is important for your aquarium to thrive.
🐟 Want expert tips for your aquarium? Beginners can start with How to set up your aquarium, while everyone can check out Aquarium Maintenece & Care for ongoing tank tips!
How We Package & Ship Your Fish - Video
How We Package & Ship Your Fish - Video
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Tank Mate Compatibility
✅ Compatible With
- Mid to Upper Column Fish — Species that occupy the middle or upper water column and do not compete for substrate space or shell territories
- Small Peaceful Fish — Calm, similarly sized species that will not harass or outcompete the colony
- Other Shell Dwellers — Can be kept in a species-only colony, which is the recommended setup to observe their full natural behaviour
❌ Avoid or Use Caution
- Bottom Dwellers — Any fish that occupies the substrate level risks encroaching on shell territories and will be aggressively defended against
- Large or Aggressive Fish — Due to their tiny size, Multies are vulnerable to predation from larger or boisterous tank mates
- Competing Cichlids — Other territorial or substrate-dwelling cichlids should be avoided as they will conflict with the colony's shell arrangements
Frequently Asked Questions
How many Multies should I keep together?
Multies are colony fish and do best when kept in groups. A single dominant male will naturally oversee a group of females, so starting with one male and two or more females is recommended. Larger colonies are more engaging to watch and allow the fish to display their full range of natural behaviours, including shell collecting, territory establishment, and courtship.
Are Multies good for beginners?
Yes, Neolamprologus multifasciatus are considered an easy species to keep and are a fantastic choice for aquarists looking to expand into keeping more unique fish. Their relatively straightforward care requirements and fascinating behaviour make them accessible even for those new to African cichlids. They are also perfectly suited to smaller aquarium setups, making them an ideal choice for new fish keepers who are starting out with a smaller tank. Many beginners quickly discover that their options are limited with a small aquarium, and Multies are one of the few species that genuinely thrive in that environment.
What shells are best for a Multies tank?
Empty escargot shells are our personal favourite and highly recommended. They are large enough for Multies to spawn and live in comfortably, and tough enough to withstand being pushed, buried, and rearranged repeatedly. Provide plenty of shells, ideally more than one per fish, to allow the colony to establish territories and reduce conflict between competing males.
Will Multies rearrange my tank?
Absolutely, and enthusiastically. Neolamprologus multifasciatus are dedicated earth movers. They will push shells across the substrate, bury rival males' shells to hide potential homes, and force competing males to establish territories further away. The result is a tank that can look completely different every time you check in, making them one of the most entertaining and interactive species you can keep.
What temperature do Multies need?
Multies thrive in tropical water temperatures between 24°C and 26°C, replicating the warm conditions of their native Lake Tanganyika. A stable, reliable heater is recommended to maintain consistent temperatures and avoid fluctuations that can stress the colony.
What pH do Multies need?
Neolamprologus multifasciatus prefer a slightly alkaline pH between 7.0 and 8.5, reflecting the hard, mineral-rich waters of Lake Tanganyika. Maintaining stable water chemistry within this range is important for the long-term health and breeding success of the colony.
What level of the tank do Multies occupy?
Multies are dedicated bottom dwellers. They spend the vast majority of their time at the substrate level, in and around their shell territories. They rarely venture into the mid or upper water column, which is why tank mates must be chosen carefully to avoid occupying the same space.
Can Multies be kept in a community tank?
Yes, but tank mate selection must be careful. Any fish sharing the tank must occupy the middle or upper water column and must not encroach on the shell territories at the substrate level. A species-only setup is the recommended approach and allows Multies to display their full natural colony behaviour without conflict.
Will Multies breed in my aquarium?
Yes, and often readily once a colony is established. Females spawn directly inside their chosen shell, and the eggs are fertilised and guarded within the protected interior. Eggs hatch within 48 to 72 hours, with fry emerging as free-swimming juveniles shortly after. Providing additional shells encourages females to establish new territories and supports natural colony expansion.
How big do Multies get?
Neolamprologus multifasciatus are one of the smallest cichlids in the world. Males reach approximately 4 to 5 cm in length, while females are significantly smaller at around 2.5 cm. This makes them an ideal nano cichlid for smaller aquarium setups, with a minimum tank volume of 40 litres recommended for a small colony.