110 Liter (80cm Standard)

An excellent intermediate tank size offering 80cm of swimming runway, perfect for active community fish and small barbs.

Standard
29 gal / 110 L
198 compatible species
Volume110 L / 29 gal
Length81 cm
Dimensions (cm)81 x 36 x 40
Dimensions (in)31.9 x 14.2 x 15.7

An excellent intermediate tank size offering 80cm of swimming runway, perfect for active community fish and small barbs. With a capacity of 110 litres (29 gallons) and dimensions of 81 x 36 x 40, this standard tank is compatible with 198 species in our database — giving you plenty of options for a thriving community setup.

Stocking Tips

  • 💡Larger tanks are more forgiving, but always add fish gradually — introduce 2–3 species at a time to let the biological filter adapt.
  • 💡Mix species from different swim zones (top, middle, bottom) to make use of the full water column.

Stocking Recipes

Pre-built species combinations that work well together in this tank.

Nano-Friendly Mix

Bioload6%
2428°C|pH 67|410 dGH

Low Maintenance Setup

Bioload10%
2424°C|pH 5.56.8|36 dGH

Schooling Showcase

Bioload31%
2427°C|pH 67|210 dGH

Commonly Mis-Stocked

These fish are frequently added to this tank but may outgrow it or cause problems. Proceed with caution.

Aequidens diadema (Diadem Cichlid)

Aequidens diadema (Diadem Cichlid) requires at least 90cm of swimming length, which is 11% longer than this tank's 81cm.

Aequidens sp. Atabapo

Aequidens sp. Atabapo requires at least 90cm of swimming length, which is 11% longer than this tank's 81cm.

African Clawed Frog

African Clawed Frog fits this tank now but grows rapidly — monitor closely and be prepared to upgrade.

African Jewel Cichlid

African Jewel Cichlid requires at least 90cm of swimming length, which is 11% longer than this tank's 81cm.

Ajamaru Rainbowfish

Ajamaru Rainbowfish requires at least 90cm of swimming length, which is 11% longer than this tank's 81cm.

Altolamprologus Calvus

Altolamprologus Calvus requires at least 90cm of swimming length, which is 11% longer than this tank's 81cm.

Altolamprologus Compressiceps

Altolamprologus Compressiceps requires at least 90cm of swimming length, which is 11% longer than this tank's 81cm.

American Grass Shrimp

American Grass Shrimp fits this tank now but grows rapidly — monitor closely and be prepared to upgrade.

Apple Snail

Apple Snail requires at least 90cm of swimming length, which is 11% longer than this tank's 81cm.

Australian Smelt

Australian Smelt fits this tank now but grows rapidly — monitor closely and be prepared to upgrade.

Bearded Cory

Bearded Cory requires at least 90cm of swimming length, which is 11% longer than this tank's 81cm.

Bladder Snail (Pest Snail)

Bladder Snail (Pest Snail) fits this tank now but grows rapidly — monitor closely and be prepared to upgrade.

Show 60 more warnings

Centerpiece Fish

Bold, eye-catching species that serve as the focal point of your tank. Typically kept singly or in pairs.

African Butterfly Fish

Pantodon buchholzi

Oddballs
12 cm Semi-Aggressive

A fascinating, prehistoric-looking surface dweller native to the slow-moving waters of West Africa. They are strictly top-dwelling ambush predators with a completely flat back and upturned mouth designed to hunt insects and small fish. A tight-fitting lid is absolutely mandatory as they are exceptional jumpers capable of gliding above the water.

African Clawed Frog

Xenopus laevis

Other
12 cm Aggressive

A fully aquatic, highly active amphibian. DO NOT confuse with the peaceful, nano-sized African Dwarf Frog. The African Clawed Frog grows much larger and will voraciously eat any fish or invertebrate that fits in its mouth. They lack teeth and tongues, using their clawed, webbed hands to shovel food into their mouths. They require a tight-fitting lid (they are notorious escape artists) and prefer cooler water, low flow, and smooth substrate to protect their sensitive skin.

Agassiz's Dwarf Cichlid

Apistogramma agassizii

Cichlids - South American
7.5 cm Semi-Aggressive

A stunning South American dwarf cichlid known for its distinct spade-shaped tail and brilliant color morphs. They are bottom-dwelling micro-predators that sift sand for food. While generally peaceful in community tanks, they are highly territorial when breeding. They thrive in soft, acidic blackwater conditions.

Apistogramma Black-Chin

Apistogramma allpahuayo

Cichlids - South American
7 cm Semi-Aggressive

A stunning dwarf cichlid from the blackwaters of Peru, formerly known as Apistogramma sp. 'Black-Chin' until it was scientifically described as A. allpahuayo in 2012. It is famous for the male's distinct pitch-black chin and its unique ability among Apistogrammas to undergo functional sex change (a female can morph into a functional male if the dominant male dies). They are harem breeders that require pristine, highly acidic water with leaf litter and a sandy substrate.

Apistogramma Broad-banded

Apistogramma breitbinden

Cichlids - South American
7.5 cm Semi-Aggressive

A stunning South American dwarf cichlid from the upper Orinoco basin, formally described in 2011 as Apistogramma megaptera. They are named for the broad, dark band extending across their face. As a blackwater species, they demand warm, soft, highly acidic water to thrive. While generally peaceful in a community setting, they are fiercely territorial substrate-spawners.

Apistogramma Mamoré

Apistogramma erythrura

Cichlids - South American
6 cm Mostly Peaceful

Formally described as Apistogramma erythrura in 2008, this species was heavily traded for years under the name Apistogramma sp. 'Mamoré'. Native to the Mamoré River basin in Bolivia, they are highly sought after for the adult male's vibrant red caudal fin and elongated finnage. As benthophagous cichlids, they require a soft, sandy substrate to sift through, along with ample visual barriers like leaf litter and driftwood to feel secure.

Show 56 more centerpiece fish

Schooling Fish

Active swimmers best kept in groups. They bring movement and colour to the mid and upper levels of your tank.

Australian Smelt

Retropinna semoni

Other
7.5 cm Peaceful

A slender, silvery schooling fish native to Australia. They are pelagic and found in huge numbers in the wild across freshwater rivers, billabongs, and brackish estuaries. Known for their distinct cucumber-like odor when handled. In the aquarium, they are highly sensitive to handling and require mature, stable water with plenty of open swimming space. Best kept in single-species setups or with very peaceful, temperate tank mates.

Beckford's Pencilfish

Nannostomus beckfordi

Characins
6.5 cm Peaceful

A peaceful, slender schooling fish native to the sluggish rivers and swamps of South America. They are famous for the males' harmless but spectacular lateral sparring displays. They require heavily planted aquariums with gentle flow and make excellent tank mates for other peaceful, soft-water species. A tight-fitting lid is essential as they are known to be proficient jumpers.

Black Neon Tetra

Hyphessobrycon herbertaxelrodi

Characins
4 cm Peaceful

A peaceful, active schooling fish native to the Paraguay basin. Known for its striking contrast of a dark black lateral stripe underneath a glowing iridescent white/green-gold stripe. Excellent for community aquariums, particularly in planted setups or blackwater biotope tanks with subdued lighting.

Black Phantom Tetra

Hyphessobrycon megalopterus

Characins
4.5 cm Peaceful

A peaceful, deep-bodied schooling tetra native to the Guaporé and Paraguay river basins. They are named for the distinct 'phantom' black patch behind their gills. They thrive in heavily planted tanks with subdued lighting (often achieved via floating plants or blackwater conditions). Males engage in spectacular but harmless 'mock battles' where they flare their fins at each other.

Black-Banded Rainbowfish

Melanotaenia nigrans

Rainbowfish
10 cm Peaceful

The Black-Banded Rainbowfish is a lively, peaceful schooling fish native to northern Australia. Recognized as the first scientifically described species in its genus, they are prized for their dark mid-lateral stripe and energetic swimming behavior. They are highly adaptable, occurring in freshwater streams and occasionally brackish estuaries in the wild.

Blackline Rasbora

Rasbora borapetensis

Cyprinids
6 cm Peaceful

The Blackline Rasbora, often sold as the Red-tailed Rasbora, is a hardy and highly active schooling fish native to Southeast Asia. Recognizable by a bold black lateral line topped with gold and a bright red caudal fin, they are peaceful but energetic. They require plenty of horizontal swimming space in the middle to upper levels of the aquarium and must be kept in schools to feel secure.

Show 39 more schooling fish

Bottom Dwellers

Species that inhabit the lower reaches of the aquarium, helping keep the substrate clean and adding activity to the tank floor.

Adolfo Cory

Corydoras adolfoi

Catfish
6 cm Peaceful

Adolfo's Corydoras is a highly sought-after, peaceful schooling catfish native to the blackwater habitats of the Rio Negro basin. They are easily identified by their bright orange nape and distinct black eye stripe. Like all corydoras, they require soft sand substrate to protect their delicate sensory barbels as they constantly sift the bottom for food.

African Butterfly Cichlid

Anomalochromis thomasi

Cichlids - African
7.5 cm Mostly Peaceful

A peaceful, colorful dwarf cichlid from West Africa. Unlike many cichlids, it is plant-safe and generally suitable for community tanks. It is famous in the hobby as an efficient biological control for pest snails.

African Dwarf Frog

Hymenochirus boettgeri

Other
4 cm Peaceful

A fully aquatic amphibian that is peaceful and highly entertaining. They possess lungs and must regularly dart to the surface to breathe air, so tank height should ideally be under 40cm (15 inches). Due to their poor eyesight, they hunt by smell and tactile vibration, making them slow feeders that can easily starve if housed with fast, aggressive fish. They are social creatures that thrive in small groups.

African Pipefish

Enneacampus ansorgii

Oddballs
14 cm Peaceful

The African Pipefish is a fascinating, needle-thin relative of the seahorse native to West African streams. They are considered an expert-level oddball because they are very weak swimmers and almost exclusively require tiny live foods (like baby brine shrimp, daphnia, or micro-fauna). They are highly peaceful but will easily starve if housed with fast-moving community fish that outcompete them for food.

Agassiz Cory

Corydoras agassizii

Catfish
6.5 cm Peaceful

A peaceful, bottom-dwelling armored catfish native to the Amazon River basin. They are easily identified by their silvery body with dark spots and a distinct black mask over their eyes. Like all Corydoras, they are highly social and must be kept in groups. A soft sand substrate is absolutely essential to protect their delicate sensory barbels as they forage.

Amano Shrimp

Caridina multidentata

Invertebrates
5 cm Peaceful

A highly popular, industrious freshwater shrimp renowned for its unmatched algae-eating abilities. Popularized by aquascaper Takashi Amano, they are significantly larger and hardier than most dwarf shrimp (like Cherry Shrimp). They are notorious food-thieves during feeding time and excellent escape artists, requiring a tight-fitting lid. Their larvae require saltwater to develop, so they will not overpopulate in a freshwater aquarium.

Show 77 more bottom dwellers

Other Compatible Species

Additional species that are compatible with this tank size but don't fall neatly into the categories above.

Amazon Leaf Fish

Monocirrhus polyacanthus

Other
8 cm Peaceful

A master of camouflage that perfectly mimics a dead leaf drifting in the water. This species is an extreme ambush predator with a protruding jaw that can swallow prey up to 75% of its own size. It is a 'specialist' species because nearly all specimens require live food (small fish/shrimp) and refuse dry or frozen foods. Requires acidic, blackwater conditions and zero flow.

Balloon Molly

Poecilia latipinna hybrid

Livebearers
7 cm Mostly Peaceful

A selectively bred morphological variant characterized by a shortened spine and a rounded, balloon-like belly. Due to their altered anatomy, they are poorer swimmers than standard mollies and are prone to digestive and swim bladder issues. Like all mollies, they thrive in hard, alkaline water, appreciate algae in their diet, and are highly tolerant of brackish conditions.

Betta Imbellis

Betta imbellis

Anabantoids
6 cm Mostly Peaceful

Known as the 'Peaceful Betta', Betta imbellis is a wild species closely related to Betta splendens. Unlike their highly aggressive domestic cousins, they can often be kept in pairs or carefully managed groups. They are native to blackwater swamps and require calm, tannin-stained water with plenty of cover. They are exceptionally prone to jumping.

Endler's Livebearer

Poecilia wingei

Livebearers
2.5 cm Peaceful

A tiny, vibrant, and highly active livebearer closely related to the Guppy. Males display intense, neon colors and patterns, while females are larger and plainly colored. They are prolific breeders and require hard, alkaline water to thrive.

Guppy

Poecilia reticulata

Livebearers
5 cm Peaceful

One of the most iconic and widely kept aquarium fish. Renowned for their incredible colors, hardiness, and prolific breeding. As livebearers, they give birth to fully formed, free-swimming fry. Males constantly pursue females for mating; therefore, a ratio of at least 2 females per male is strongly recommended to disperse stress.

Honey Gourami

Trichogaster chuna

Anabantoids
5 cm Peaceful

The smallest and most peaceful member of the Trichogaster genus. Ideally suited for planted nano aquariums. Unlike the aggressive Dwarf Gourami (*T. lalius*), Honey Gouramis are timid and gentle. True Honey Gouramis rarely exceed 5cm. Note: Many bright red fish sold as 'Red Honey' or 'Red Robin' are actually Thick-lipped Gouramis (*T. labiosa*), which grow larger.

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Frequently Asked Questions — 110 Liter (80cm Standard)

How many fish can I put in a 110 Liter (80cm Standard)?

The 110 Liter (80cm Standard) (110 L / 29 gal) is compatible with 198 species in our database. The actual number of individual fish depends on the species mix — use the stocking recipes above as a starting point and aim to keep the total bioload below 85% of capacity.

What is the best centrepiece fish for a 110 Liter (80cm Standard)?

Popular centrepiece options for this tank include African Butterfly Fish, African Clawed Frog, Agassiz's Dwarf Cichlid. A centrepiece fish should be the focal point of your aquarium — choose one with colours and behaviour that complement your other species.

What schooling fish work in a 110 Liter (80cm Standard)?

Great schooling options include Australian Smelt, Beckford's Pencilfish, Black Neon Tetra. Schooling fish should be kept in groups of at least 6 to encourage natural behaviour and reduce stress.

What bottom dwellers suit a 110 Liter (80cm Standard)?

Suitable bottom dwellers include Adolfo Cory, African Butterfly Cichlid, African Dwarf Frog. These species occupy the lower zone of your tank, helping to keep the substrate tidy and adding activity to an often-overlooked area.

What temperature should a 110 Liter (80cm Standard) be?

The ideal temperature depends on the species you keep. Most tropical freshwater fish thrive between 24–27°C (75–80°F). Check each species' requirements and aim for the overlapping range that suits all your inhabitants.