Care and Compatibility of Red-tailed Black Shark - Epalzeorhynchus frenatus


Introduction

The Red-tailed Black Shark has a slender and angular body with predominantly red and black coloration. It has a triangular and pointed caudal fin, resembling the shape of a shark's tail, hence its common name. They require an aquarium with plenty of plants and hiding places to establish their territory.

Behavior

The Red-tailed Black Shark (Epalzeorhynchus frenatus), also known as the Red-finned Shark or Red-tailed Labeo, is an active and energetic fish often found in many aquariums. It is known for its striking coloration and territorial behavior. They can be aggressive towards other fish of the same species, so it is recommended to keep them in large groups or in spacious aquariums.

Sexual Dimorphism

Sexual dimorphism in Epalzeorhynchos frenatus is minimal and difficult to distinguish. Both males and females have a similar appearance, though males may be slightly larger and display more intense colors.

Reproduction

Breeding Red-tailed Black Sharks can be challenging in the home aquarium. They are egg-laying fish, and the female deposits the eggs on substrates or plants. The parents do not care for the fry, so it is recommended to remove them after spawning to prevent them from being eaten.

Aquarium Conditions

Epalzeorhynchos frenatus, commonly known as the red-tailed black shark, requires a spacious aquarium with good water circulation and hiding areas. It prefers clean and well-oxygenated water. Aquarium décor should include rocks, driftwood, and hardy plants. Maintaining water quality is crucial and providing a balanced diet.

Feeding

They are omnivorous and accept a variety of foods, including dry foods like flakes and pellets, as well as live and frozen foods. They also enjoy vegetable matter such as algae. It is recommended to feed them multiple times a day in small portions.

Complexity

Caring for Epalzeorhynchos frenatus can be moderately challenging. They are active and territorial fish that may display aggressive behaviors towards other bottom-dwelling fish. It's recommended to keep them in groups of at least three individuals to reduce intraspecific aggression. They are omnivores and accept a variety of foods.


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To do an analysis more detailed about coexistence and behavior of Epalzeorhynchus frenatus (Red-tailed Black Shark) use the Aquarium simulation tool, if you do this you can test different ways to combine the Red-tailed Black Shark 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 57 species compatible with the Epalzeorhynchus frenatus (Red-tailed Black Shark) 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 (57)

Compatible (5 Species)

Compatible without any restriction


Lemon Catfish - Hemiancistrus subviridis

Lemon Catfish

Hemiancistrus subviridis

Royal Pleco - Panaque nigrolineatus

Royal Pleco

Panaque nigrolineatus

Stick Catfish - Farlowella acus

Stick Catfish

Farlowella acus

Clown Pleco - Panaqolus maccus

Clown Pleco

Panaqolus maccus

El sumatrano es un pez de cardumen además que tiene un buen tamaño y es rápido, en un acuario de biotopo el Labeo no tendrá dificultad con ellos.


Tiger Barb - Puntius tetrazona

Tiger Barb

Puntius tetrazona

Similar Sizes (1 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.


Pictus Catfish - Pimelodus pictus

Pictus Catfish

Pimelodus pictus

With Reservation (12 Species)

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


Horned Snail - Tyloperlamania sp

Horned Snail

Tyloperlamania sp

IndoPlanorbis Exustus - Planorbis planorbis

IndoPlanorbis Exustus

Planorbis planorbis

Anentome Helena - Anentome helena

Anentome Helena

Anentome helena

Mije Fish - Leporinus fasciatus

Mije Fish

Leporinus fasciatus

Archerfish - Toxotes jaculatrix

Archerfish

Toxotes jaculatrix

Discus fish - Symphysodon aequifasciatus

Discus fish

Symphysodon aequifasciatus

Commando Cichlid - Nimbochromis venustus

Commando Cichlid

Nimbochromis venustus

Clown Loach - Chromobotia macracanthus

Clown Loach

Chromobotia macracanthus

Bala Shark - Balantiocheilus melanopterus

Bala Shark

Balantiocheilus melanopterus

Sun Catfish - Horabagrus brachysoma

Sun Catfish

Horabagrus brachysoma

Cockatoo Cichlid - Apistogramma Cacatuoides

Cockatoo Cichlid

Apistogramma Cacatuoides

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.


Spotted Dora Catfish - Agamyxus pectinifrons

Spotted Dora Catfish

Agamyxus pectinifrons

Showdown over territory (22 Species)

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.


Golden Royal Pleco - Sturisoma aureum

Golden Royal Pleco

Sturisoma aureum

Apple Snail - Pomacea bridgesii

Apple Snail

Pomacea bridgesii

Striped Raphael Catfish - Platydoras costatus

Striped Raphael Catfish

Platydoras costatus

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.


Red-tailed Black Shark - Epalzeorhynchus frenatus

Red-tailed Black Shark

Epalzeorhynchus frenatus

Firemouth Cichlid - Cichlasoma meeki

Firemouth Cichlid

Cichlasoma meeki

Labidochromis caeruleus - Labidochromis caeruleus

Labidochromis caeruleus

Labidochromis caeruleus

Fire Fish Dragon Blood - Aulonocara Firefish

Fire Fish Dragon Blood

Aulonocara Firefish

Kribensis Cichlid - Pelvicachromis pulcher

Kribensis Cichlid

Pelvicachromis pulcher

Red Terror Fish - Mesoheros festae

Red Terror Fish

Mesoheros festae

Upside-Down Catfish - Synodontis eupterus

Upside-Down Catfish

Synodontis eupterus

Pearl Cichlid - Altolamprologus Calvus

Pearl Cichlid

Altolamprologus Calvus

Dragon Violet Goby - Gobioides broussonnetii

Dragon Violet Goby

Gobioides broussonnetii

Gray bichir - Polypterus senegalus

Gray bichir

Polypterus senegalus

Pez Loro - Red Parrot

Pez Loro

Red Parrot

Frontosa Cichlid - Cyphotilapia frontosa

Frontosa Cichlid

Cyphotilapia frontosa

Suckermouth Catfish - Gyrinocheilus Aymonieri

Suckermouth Catfish

Gyrinocheilus Aymonieri

Tetraodon Nigroviridis - Tetraodon Nigroviridis

Tetraodon Nigroviridis

Tetraodon Nigroviridis

Territorial fish can usually live with fish protected with armor, since they cannot harm them because of their tough skin, what must be taken into account is to have an aquarium with favorable dimensions so that each fish can delimit a territory, since that most armored fish are also bottom fish and they like to be looking for places to hide.


Leopard Cactus Pleco - Hypancistrus Furunculus L199

Leopard Cactus Pleco

Hypancistrus Furunculus L199

Galaxy Plecostomus - Leporacanthicus sp L240

Galaxy Plecostomus

Leporacanthicus sp L240

Territorial fish can usually live with fish protected with armor, since they cannot harm them because of their tough skin, what must be taken into account is to have an aquarium with favorable dimensions so that each fish can delimit a territory, since that most armored fish are also bottom fish and like to be looking for places to hide.


Suckermouth catfish - Hypostomus plecostomus

Suckermouth catfish

Hypostomus plecostomus

Considerable size difference (16 Species)

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.


Lemon Tetra - Hyphessobrycon pulchripinnis

Lemon Tetra

Hyphessobrycon pulchripinnis

Red-Backed Tetra - Hyphessobrycon bentosi

Red-Backed Tetra

Hyphessobrycon bentosi

Florida Dwarf Crayfish - Cambarellus diminutus

Florida Dwarf Crayfish

Cambarellus diminutus

Caridina Shrimp - Caridina cf. Cantonensis

Caridina Shrimp

Caridina cf. Cantonensis

Blue Bee Shrimp - Paracaridina sp

Blue Bee Shrimp

Paracaridina sp

Amano Shrimp - Caridina multidentata

Amano Shrimp

Caridina multidentata

Red Cherry - Neocaridina davidi

Red Cherry

Neocaridina davidi

Stiphodon Ornatus - Stiphodon ornatus

Stiphodon Ornatus

Stiphodon ornatus

Preacox Rainbowfish - Melanotaenia preacox

Preacox Rainbowfish

Melanotaenia preacox

Lacustris Rainbowfish - Melanotaenia lacustris

Lacustris Rainbowfish

Melanotaenia lacustris

Congo Tetra - Phenacogrammus interruptus

Congo Tetra

Phenacogrammus interruptus

Nerite Snail - Neritina sp

Nerite Snail

Neritina sp

Cockatoo Dwarf Cichlid - Apistogramma viejita

Cockatoo Dwarf Cichlid

Apistogramma viejita

Endler Guppy Fish - Poecilia Wingei

Endler Guppy Fish

Poecilia Wingei

Male siamese fighting fish - betta splendens male

Male siamese fighting fish

betta splendens male

Compatible if space is enough (1 Species)

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.


Freshwater angelfish - Pterophyllum scalare

Freshwater angelfish

Pterophyllum scalare

Red-tailed Black Shark

Epalzeorhynchus frenatus

Red-tailed Black Shark - Epalzeorhynchus frenatus
  • Ph: 6.5 - 8
  • Temperature (c°): 20 - 26
  • Measures: 13 cm - 15cm
  • Aquarium Capacity:
    75 Liters - 20 Gallons
  • Behavior: Likes to take refuge, Territorial
  • Size: Medium
  • Swimming area: Aquarium background
  • Water Type: Sweet water