Care and Compatibility of Bristlenose Catfish - Ancistrus


Introduction

The Ancistrus is a genus of bottom-dwelling fish belonging to the Loricariidae family. These fish are native to South America and can be found in rivers and streams of the Amazon and Orinoco basins. They are known for their distinctive shape and bony plates on their body. Ancistrus are highly appreciated by aquarists for their role in controlling algae and their peaceful behavior.

Behavior

The Ancistrus is a peaceful and calm fish that spends most of its time exploring the bottom of the aquarium in search of food. They are primarily nocturnal and hide during the day in caves or within decorative structures. They can be territorial and may display aggression towards other fish of their species, especially during the breeding season.

Sexual Dimorphism

Sexual dimorphism in Ancistrus can be difficult to distinguish, but males tend to be slightly larger and develop more pronounced cheek odontoids with maturity. During breeding season, males may display territorial behaviors and build bubble nests.

Reproduction

Breeding Ancistrus in the aquarium environment can be challenging but successful breeding can be achieved. To encourage breeding, it is recommended to provide them with caves or clay tubes where they can lay their eggs and care for their fry. The males are responsible for guarding and aerating the eggs, while the females oversee the spawning process. Maintaining proper water quality and providing a varied diet are important factors in promoting successful reproduction.

Aquarium Conditions

Ancistrus is a genus of fish commonly known as 'plecos' or 'suckermouth catfish'. They prefer well-planted aquariums with a sandy substrate and plenty of rocks and driftwood for hiding. They also appreciate dense vegetation that provides them with shelter and feeding areas.

Feeding

The Ancistrus is an omnivorous fish that primarily feeds on algae and detritus found on the aquarium bottom. They also accept commercial foods such as vegetable tablets, pellets, and frozen foods like shrimp and mosquito larvae. Providing them with a balanced diet that includes both plant-based and protein-rich foods is crucial for their health and well-being.

Complexity

Caring for Ancistrus is relatively easy. They are hardy fish that can adapt to a wide range of water conditions. They are excellent algae eaters and leftover food scavengers, making them popular in community tanks.


In case you need more help, or if you want to know into any topic related to the Ancistrus (Bristlenose Catfish) and even any other species you can use the forums to ask what you need.

To do an analysis more detailed about coexistence and behavior of Ancistrus (Bristlenose Catfish) use the Aquarium simulation tool, if you do this you can test different ways to combine the Bristlenose Catfish with other fishes giving the dimensions and space on you aquarium, on this way you can known the optimal configuration for keep the fishes that you want.

You can also find out the 144 species compatible with the Ancistrus (Bristlenose Catfish) can live together.

Note: The parameters of the water such as PH and temperature are also used to calculate the compatibility of the species.


Compatible species (144)

Compatible (92 Species)

Compatible without any restriction


Freshwater angelfish - Pterophyllum scalare

Freshwater angelfish

Pterophyllum scalare

Male siamese fighting fish - betta splendens male

Male siamese fighting fish

betta splendens male

Golden Royal Pleco - Sturisoma aureum

Golden Royal Pleco

Sturisoma aureum

Veil tail Goldfish - Carassius auratus I

Veil tail Goldfish

Carassius auratus I

Guppy fish - Poecilia reticulata

Guppy fish

Poecilia reticulata

Striped Raphael Catfish - Platydoras costatus

Striped Raphael Catfish

Platydoras costatus

Swordtail fish - Xiphophorus hellerii

Swordtail fish

Xiphophorus hellerii

Neon tetra fish - Paracheirodon innesi

Neon tetra fish

Paracheirodon innesi

Female Siamese Fighting Fish - Betta Splendens Female

Female Siamese Fighting Fish

Betta Splendens Female

Tiger Barb - Puntius tetrazona

Tiger Barb

Puntius tetrazona

Clown Loach - Chromobotia macracanthus

Clown Loach

Chromobotia macracanthus

German Blue Ram - Microgeophagus ramirezi

German Blue Ram

Microgeophagus ramirezi

Discus fish - Symphysodon aequifasciatus

Discus fish

Symphysodon aequifasciatus

Jack Dempsey Cichlid - Rocio octofasciata

Jack Dempsey Cichlid

Rocio octofasciata

Bleeding Heart Tetra - Hyphessobrycon erythrostigma

Bleeding Heart Tetra

Hyphessobrycon erythrostigma

Molly fish - Poecilia sphenops

Molly fish

Poecilia sphenops

Pez Loro - Red Parrot

Pez Loro

Red Parrot

Sun Catfish - Horabagrus brachysoma

Sun Catfish

Horabagrus brachysoma

Pearl gourami - Trichogaster leerii

Pearl gourami

Trichogaster leerii

Coolie loach - Pangio kuhlii

Coolie loach

Pangio kuhlii

Telescope goldfish - Carassius auratus II

Telescope goldfish

Carassius auratus II

Comet Goldfish - Carassius auratus III

Comet Goldfish

Carassius auratus III

Dwarf Gourami - Colisa lalia

Dwarf Gourami

Colisa lalia

Zebrafish - Danio rerio

Zebrafish

Danio rerio

Severum Cichlid - Heros efasciatus

Severum Cichlid

Heros efasciatus

Celestial eye goldfish - Carassius auratus V

Celestial eye goldfish

Carassius auratus V

Dwarf marbled catfish - Microglanis poecilus

Dwarf marbled catfish

Microglanis poecilus

Jewel Cichlid - Hemichromis lifalili

Jewel Cichlid

Hemichromis lifalili

Firemouth Cichlid - Cichlasoma meeki

Firemouth Cichlid

Cichlasoma meeki

Black Skirt Tetra - Gymnocorymbus ternetzi

Black Skirt Tetra

Gymnocorymbus ternetzi

Convict Cichlid - Amatitlania nigrofasciata

Convict Cichlid

Amatitlania nigrofasciata

Agassiz's Apistogramma - Apistogramma Agassizii

Agassiz's Apistogramma

Apistogramma Agassizii

Cockatoo Cichlid - Apistogramma Cacatuoides

Cockatoo Cichlid

Apistogramma Cacatuoides

Hatchet Fish - Thoracocharax stellatus

Hatchet Fish

Thoracocharax stellatus

Siamese Algae Eater - Crossocheilus Siamensis

Siamese Algae Eater

Crossocheilus Siamensis

False Discus - Heros severus

False Discus

Heros severus

Platy Fish - Xiphophorus maculatus

Platy Fish

Xiphophorus maculatus

Galaxy Rasbora - Danio margaritatus

Galaxy Rasbora

Danio margaritatus

Glassy Perchlet - Parambassis ranga

Glassy Perchlet

Parambassis ranga

Glowlight Tetra - Hemigrammus Erythrozonus

Glowlight Tetra

Hemigrammus Erythrozonus

Red-eyed Tetra - Moenkhausia sanctaefilomenae

Red-eyed Tetra

Moenkhausia sanctaefilomenae

Black Neon Tetra - Hyphessobrycon herbertaxelrodi

Black Neon Tetra

Hyphessobrycon herbertaxelrodi

Otocinclus Catfish - Otocinclus Affinis

Otocinclus Catfish

Otocinclus Affinis

Ember Tetra - Hemigrammus Rhodostomus

Ember Tetra

Hemigrammus Rhodostomus

Silver Dollar Fish - Metynnis argenteus

Silver Dollar Fish

Metynnis argenteus

Kissing Gourami - Helostoma temminckii

Kissing Gourami

Helostoma temminckii

Paradise Fish - Macropodus Opercularis

Paradise Fish

Macropodus Opercularis

Harlequin Rasbora - Trigonostigma Heteromorpha

Harlequin Rasbora

Trigonostigma Heteromorpha

Serpae Tetra - Hyphessobrycon Eques

Serpae Tetra

Hyphessobrycon Eques

Apple Snail - Pomacea bridgesii

Apple Snail

Pomacea bridgesii

Emperor Tetra - Nematobrycon Palmeri

Emperor Tetra

Nematobrycon Palmeri

Goldeneye Dwarf Cichlid - Nannacara anomala

Goldeneye Dwarf Cichlid

Nannacara anomala

Ember Tetra - Hyphessobrycon Amandae

Ember Tetra

Hyphessobrycon Amandae

Three lined Pencilfish - Nannostomus Trifasciatus

Three lined Pencilfish

Nannostomus Trifasciatus

Boeseman's Rainbowfish - Melanotaenia Boesemani

Boeseman's Rainbowfish

Melanotaenia Boesemani

Glass Catfish - Kryptopterus bicirrhis

Glass Catfish

Kryptopterus bicirrhis

Boraras Brigittae Fish - Boraras Brigittae

Boraras Brigittae Fish

Boraras Brigittae

Cherry Barb - Barbus titteya

Cherry Barb

Barbus titteya

Endler Guppy Fish - Poecilia Wingei

Endler Guppy Fish

Poecilia Wingei

Red Terror Fish - Mesoheros festae

Red Terror Fish

Mesoheros festae

Denison Barb - Puntius denisonii

Denison Barb

Puntius denisonii

Black Phantom Tetra - Hyphessobrycon Megalopterus

Black Phantom Tetra

Hyphessobrycon Megalopterus

Lemon Catfish - Hemiancistrus subviridis

Lemon Catfish

Hemiancistrus subviridis

Upside-Down Catfish - Synodontis nigriventris

Upside-Down Catfish

Synodontis nigriventris

Flag Cichlid - Mesonauta festivus

Flag Cichlid

Mesonauta festivus

Espei Rasbora - Trigonostigma espei

Espei Rasbora

Trigonostigma espei

Forktail Blue-Eye - Pseudomugil furcatus

Forktail Blue-Eye

Pseudomugil furcatus

Blue-Eyed Pseudomugil - Pseudomugil paskai

Blue-Eyed Pseudomugil

Pseudomugil paskai

Cockatoo Dwarf Cichlid - Apistogramma viejita

Cockatoo Dwarf Cichlid

Apistogramma viejita

Clown Pleco - Panaqolus maccus

Clown Pleco

Panaqolus maccus

Pictus Catfish - Pimelodus pictus

Pictus Catfish

Pimelodus pictus

Royal Pleco - Panaque nigrolineatus

Royal Pleco

Panaque nigrolineatus

Jaguar Cichlid - Parachromis managuensis

Jaguar Cichlid

Parachromis managuensis

Butterfly Peacock Bass - Butterfly Peacock Bass

Butterfly Peacock Bass

Butterfly Peacock Bass

Pez Cachama - Piaractus brachypomus

Pez Cachama

Piaractus brachypomus

Congo Tetra - Phenacogrammus interruptus

Congo Tetra

Phenacogrammus interruptus

Lacustris Rainbowfish - Melanotaenia lacustris

Lacustris Rainbowfish

Melanotaenia lacustris

Dwarf Tetra - Hasemania nana

Dwarf Tetra

Hasemania nana

Preacox Rainbowfish - Melanotaenia preacox

Preacox Rainbowfish

Melanotaenia preacox

Semifasciolatus Barb - Puntius semifasciolatus

Semifasciolatus Barb

Puntius semifasciolatus

Moenkhausia Pittieri - Moenkhausia pittieri

Moenkhausia Pittieri

Moenkhausia pittieri

Stiphodon Ornatus - Stiphodon ornatus

Stiphodon Ornatus

Stiphodon ornatus

Anentome Helena - Anentome helena

Anentome Helena

Anentome helena

IndoPlanorbis Exustus - Planorbis planorbis

IndoPlanorbis Exustus

Planorbis planorbis

Horned Snail - Tyloperlamania sp

Horned Snail

Tyloperlamania sp

Red Cherry - Neocaridina davidi

Red Cherry

Neocaridina davidi

Altum Angelfish - Pterophyllum altum

Altum Angelfish

Pterophyllum altum

Pearlscale Goldfish - Carassius auratus VI

Pearlscale Goldfish

Carassius auratus VI

Weather Loach - Misgurnus spp

Weather Loach

Misgurnus spp

Tener en cuenta que el Pleco no debe caber en la boca del Acara Azúl


Electric Blue Cichlid - Andinoacara pulcher

Electric Blue Cichlid

Andinoacara pulcher

Similar Sizes (7 Species)

They can coexist if they are the same size or very similar sizes, it does not work in all cases, there may be exceptions.


Empire Gudgeon - Hypseleotris compressa

Empire Gudgeon

Hypseleotris compressa

Stick Catfish - Farlowella acus

Stick Catfish

Farlowella acus

Red Rainbowfish - Glossolepis incisus

Red Rainbowfish

Glossolepis incisus

Bamboo Shrimp - Atyopsis moluccensis

Bamboo Shrimp

Atyopsis moluccensis

Spotted Dora Catfish - Agamyxus pectinifrons

Spotted Dora Catfish

Agamyxus pectinifrons

Pez ventosa de borneo - Sewellia lineolata

Pez ventosa de borneo

Sewellia lineolata

With Reservation (12 Species)

Tener en cuenta que el Pleco no debe caber en la boca del oscar.


Oscar Fish - Astronotus ocellatus

Oscar Fish

Astronotus ocellatus

Note that the Ancistrus must not fit in the mouth of the Green Terror


Green Terror - Andinoacara rivulatus

Green Terror

Andinoacara rivulatus

Note that the Ancistrus must not fit in King Midas' mouth


Midas king fish - Amphilophus citrinellus

Midas king fish

Amphilophus citrinellus

Compatible in some cases, it depends on the nature and personality of the fish.


Flowerhorn cichlid - Flowerhorn cichlid

Flowerhorn cichlid

Flowerhorn cichlid

Blue Acara - Satanoperca daemon

Blue Acara

Satanoperca daemon

Caridina Shrimp - Caridina cf. Cantonensis

Caridina Shrimp

Caridina cf. Cantonensis

Las especies territoriales por lo general pueden convivir con especies protegidas con coraza, ya que no pueden hacerles daño por su dura piel, lo que si hay que tener en cuenta es tener un acuario con dimensiones favorables para que cada pez pueda delimitar un territorio, ya que la mayoría de peces acorazados son también peces de fondo y les gusta estar buscando lugares donde ocultarse.


Myanmar Rainbow Snakehead - Channa aurantimaculata

Myanmar Rainbow Snakehead

Channa aurantimaculata

Nile Tilapia - Oreochromis niloticus

Nile Tilapia

Oreochromis niloticus

Dwarf Cichlid - Apistogramma borellii

Dwarf Cichlid

Apistogramma borellii

Elephant Fish - Gnathonemus petersii

Elephant Fish

Gnathonemus petersii

Myanmar Darío - Dario sp Myanmar

Myanmar Darío

Dario sp Myanmar

Filamentous Tetra - Dicrossus filamentosus

Filamentous Tetra

Dicrossus filamentosus

Showdown over territory (12 Species)

Fish can live together as long as the space is spacious enough to delimit a territory, otherwise there may be aggressions for competing for the territory.


Suckermouth catfish - Hypostomus plecostomus

Suckermouth catfish

Hypostomus plecostomus

Butterfly Loach - Beaufortia leveretti

Butterfly Loach

Beaufortia leveretti

Wasp Goby - Brachygobius Xanthozona

Wasp Goby

Brachygobius Xanthozona

Bicolor Shark - Epalzeorhynchos bicolor

Bicolor Shark

Epalzeorhynchos bicolor

Black Ghost Knife Fish - Apteronotus albifrons

Black Ghost Knife Fish

Apteronotus albifrons

Yoyo Loach - Botia almorhae

Yoyo Loach

Botia almorhae

Upside-Down Catfish - Synodontis eupterus

Upside-Down Catfish

Synodontis eupterus

Neon Spot fish - Pseudotropheus elongatus chewere

Neon Spot fish

Pseudotropheus elongatus chewere

Kribensis Cichlid - Pelvicachromis pulcher

Kribensis Cichlid

Pelvicachromis pulcher

It can be territorial with fish that occupy the bottom of the aquarium or by food struggles.


Galaxy Plecostomus - Leporacanthicus sp L240

Galaxy Plecostomus

Leporacanthicus sp L240

Los peces territoriales por lo general pueden convivir con peces protegidos con coraza, ya que no pueden hacerles daño por su dura piel, lo que si hay que tener en cuenta es tener un acuario con dimensiones favorables para que cada pez pueda delimitar un territorio, ya que la mayoría de peces acorazados son también peces de fondo y les gusta estar buscando lugares donde ocultarse.


Suckermouth Catfish - Gyrinocheilus Aymonieri

Suckermouth Catfish

Gyrinocheilus Aymonieri

Red-tailed Black Shark - Epalzeorhynchus frenatus

Red-tailed Black Shark

Epalzeorhynchus frenatus

Considerable size difference (19 Species)

These fish know not to eat other fish with an exoskeleton, but you might try to eat it.


Rio Grande cichlid - Herichthys cyanoguttatus

Rio Grande cichlid

Herichthys cyanoguttatus

They can coexist while they are similar in size or the size difference is not very abysmal, since as the fish grows it increases the chances of eating its partner that did not grow much.


Common carp - Cyprinus carpio

Common carp

Cyprinus carpio

Gray bichir - Polypterus senegalus

Gray bichir

Polypterus senegalus

Satena Pike Cichlid - Crenicichla strigata Günther

Satena Pike Cichlid

Crenicichla strigata Günther

Osteoglossum bicirrhosum - Osteoglossum bicirrhosum

Osteoglossum bicirrhosum

Osteoglossum bicirrhosum

Pangasianodon hypophthalmus - Pangasianodon hypophthalmus

Pangasianodon hypophthalmus

Pangasianodon hypophthalmus

Red-bellied Piranha - Pygocentrus nattereri

Red-bellied Piranha

Pygocentrus nattereri

Bala Shark - Balantiocheilus melanopterus

Bala Shark

Balantiocheilus melanopterus

Ruby Tetra - Axelrodia riesei

Ruby Tetra

Axelrodia riesei

Green Neon Tetra - Paracheirodon Simulans

Green Neon Tetra

Paracheirodon Simulans

Filamented Rainbowfish - Iriatherina Werneri

Filamented Rainbowfish

Iriatherina Werneri

Amano Shrimp - Caridina multidentata

Amano Shrimp

Caridina multidentata

Blue Bee Shrimp - Paracaridina sp

Blue Bee Shrimp

Paracaridina sp

Florida Dwarf Crayfish - Cambarellus diminutus

Florida Dwarf Crayfish

Cambarellus diminutus

Red-Backed Tetra - Hyphessobrycon bentosi

Red-Backed Tetra

Hyphessobrycon bentosi

Lemon Tetra - Hyphessobrycon pulchripinnis

Lemon Tetra

Hyphessobrycon pulchripinnis

Cardinal Tetra - Paracheirodon axelrodi

Cardinal Tetra

Paracheirodon axelrodi

Medaka Fish - Oryzias latipes

Medaka Fish

Oryzias latipes

Dwarf Swordtail - Heterandria formosa

Dwarf Swordtail

Heterandria formosa

Compatible if space is enough (2 Species)

Pueden ser territoriales con otros de su misma especie.


They can coexist together if the aquarium they share is large and spacious enough for both species to feel good, as some fish may attack others to feel that they have little space and try to eliminate the competition.


Leopard Cactus Pleco - Hypancistrus Furunculus L199

Leopard Cactus Pleco

Hypancistrus Furunculus L199

Bristlenose Catfish

Ancistrus

Bristlenose Catfish - Ancistrus
  • Ph: 5.8 - 7.4
  • Temperature (c°): 23 - 29
  • Measures: 12 cm
  • Aquarium Capacity:
    18 Liters - 5 Gallons
  • Alimentación: Herbivores, Omnivores
  • Colores: Black, Brown
  • Comportamiento: Likes to take refuge, Night, Peaceful
  • Habitad: American
  • Morfología: Cuirass or Carapace
  • Preferencias del Acuario: Logs, Natural plants, Rocks
  • Tamaño: Medium
  • Taxonomía: Fish
  • Tipo de Agua: Sweet water
  • Velocidad de nado o movimiento: Slow
  • Zona de Nado: Aquarium background