Care and Compatibility of Hatchet Fish - Thoracocharax stellatus


Introduction

The Thoracocharax stellatus, commonly known as the hatchet fish, is a tropical fish native to the river basins of South America. It is characterized by its unique and distinctive shape resembling the blade of a hatchet, hence its common name. They are small-sized fish with a slim and laterally compressed body. Their coloration is usually silvery with shiny reflections. They are known for their peaceful and sociable behavior and tend to swim in schools in the middle and upper regions of the aquarium. They enjoy exploring their environment and feel more secure when surrounded by other fish of their own species. In terms of feeding, they are omnivorous and accept a variety of foods. They can be fed with live foods such as mosquito larvae and daphnia, as well as high-quality frozen and dry foods. A balanced diet that includes proteins, vegetables, and vitamin supplements is important for their health and well-being.

Behavior

The Thoracocharax stellatus, commonly known as the hatchet fish, is a species of tropical fish native to South America. They are small-sized fish characterized by their unique and distinctive shape resembling the blade of a hatchet. They are peaceful and sociable fish that tend to swim in schools in the middle and upper regions of the aquarium. They enjoy exploring their environment and feel more secure when surrounded by other fish of their own species. They are omnivorous and accept a variety of foods, including live foods, frozen foods, and dry foods. It is important to provide them with a balanced and varied diet to maintain their health and vitality.

Sexual Dimorphism

Sexual dimorphism in Thoracocharax stellatus is minimal and difficult to distinguish. Both males and females have a similar appearance. During breeding season, they may exhibit more active courtship behavior.

Reproduction

Reproduction of the hatchet fish can be challenging in the aquarium environment due to their specific requirements. Pair formation is important for successful breeding. It is recommended to keep a group of young fish and allow pairs to form naturally. To stimulate spawning, water temperature can be adjusted and regular partial water changes can be performed. The pairs will deposit eggs on fine-leaved plants or a spawning grid. Once the eggs are laid, it is advisable to remove the parents to prevent them from consuming the eggs. The eggs will hatch after a few days, and the fry will need to be fed with small, high-quality foods such as infusoria and freshly hatched brine shrimp nauplii.

Aquarium Conditions

Thoracocharax stellatus is a tetra fish that requires a spacious aquarium with abundant vegetation as well as open swimming areas. It prefers soft and slightly acidic water. Aquarium décor should include floating plants and shaded areas. Maintaining water quality is important and providing a varied diet.

Feeding

The hatchet fish is an omnivorous fish and accepts a variety of foods. They can be fed with live foods such as mosquito larvae, daphnia, and brine shrimp. They also accept frozen foods such as frozen mosquito larvae, mysis shrimp, and cyclops. Additionally, high-quality dry foods such as flakes and pellets specially formulated for tropical fish can be offered to them. It is advisable to supplement their diet with vegetable foods such as algae flakes or spirulina to ensure balanced nutrition. Food should be provided in small portions that they can consume within a few minutes, avoiding overfeeding that can lead to issues of overeating and poor water quality.

Complexity

Caring for Thoracocharax stellatus is relatively straightforward. They are peaceful and social fish that adapt well to a variety of water conditions. They get along with other fish of similar size and are best kept in groups of six or more individuals. They require a balanced diet and a well-maintained environment.


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To do an analysis more detailed about coexistence and behavior of Thoracocharax stellatus (Hatchet Fish) use the Aquarium simulation tool, if you do this you can test different ways to combine the Hatchet Fish 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 81 species compatible with the Thoracocharax stellatus (Hatchet Fish) 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 (81)

Compatible (68 Species)

Compatible without any restriction


Male siamese fighting fish - betta splendens male

Male siamese fighting fish

betta splendens male

Golden Royal Pleco - Sturisoma aureum

Golden Royal Pleco

Sturisoma aureum

Striped Raphael Catfish - Platydoras costatus

Striped Raphael Catfish

Platydoras costatus

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

Bleeding Heart Tetra - Hyphessobrycon erythrostigma

Bleeding Heart Tetra

Hyphessobrycon erythrostigma

Pearl gourami - Trichogaster leerii

Pearl gourami

Trichogaster leerii

Coolie loach - Pangio kuhlii

Coolie loach

Pangio kuhlii

Dwarf Gourami - Colisa lalia

Dwarf Gourami

Colisa lalia

Zebrafish - Danio rerio

Zebrafish

Danio rerio

Galaxy Plecostomus - Leporacanthicus sp L240

Galaxy Plecostomus

Leporacanthicus sp L240

Dwarf marbled catfish - Microglanis poecilus

Dwarf marbled catfish

Microglanis poecilus

Black Skirt Tetra - Gymnocorymbus ternetzi

Black Skirt Tetra

Gymnocorymbus ternetzi

Siamese Algae Eater - Crossocheilus Siamensis

Siamese Algae Eater

Crossocheilus Siamensis

Leopard Cactus Pleco - Hypancistrus Furunculus L199

Leopard Cactus Pleco

Hypancistrus Furunculus L199

Galaxy Rasbora - Danio margaritatus

Galaxy Rasbora

Danio margaritatus

Yoyo Loach - Botia almorhae

Yoyo Loach

Botia almorhae

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

Kribensis Cichlid - Pelvicachromis pulcher

Kribensis Cichlid

Pelvicachromis pulcher

Silver Dollar Fish - Metynnis argenteus

Silver Dollar Fish

Metynnis argenteus

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

Ruby Tetra - Axelrodia riesei

Ruby Tetra

Axelrodia riesei

Three lined Pencilfish - Nannostomus Trifasciatus

Three lined Pencilfish

Nannostomus Trifasciatus

Boraras Brigittae Fish - Boraras Brigittae

Boraras Brigittae Fish

Boraras Brigittae

Cherry Barb - Barbus titteya

Cherry Barb

Barbus titteya

Filamented Rainbowfish - Iriatherina Werneri

Filamented Rainbowfish

Iriatherina Werneri

Black Phantom Tetra - Hyphessobrycon Megalopterus

Black Phantom Tetra

Hyphessobrycon Megalopterus

Upside-Down Catfish - Synodontis nigriventris

Upside-Down Catfish

Synodontis nigriventris

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

Congo Tetra - Phenacogrammus interruptus

Congo Tetra

Phenacogrammus interruptus

Lacustris Rainbowfish - Melanotaenia lacustris

Lacustris Rainbowfish

Melanotaenia lacustris

Dwarf Tetra - Hasemania nana

Dwarf Tetra

Hasemania nana

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

Amano Shrimp - Caridina multidentata

Amano Shrimp

Caridina multidentata

Blue Bee Shrimp - Paracaridina sp

Blue Bee Shrimp

Paracaridina sp

Bamboo Shrimp - Atyopsis moluccensis

Bamboo Shrimp

Atyopsis moluccensis

Florida Dwarf Crayfish - Cambarellus diminutus

Florida Dwarf Crayfish

Cambarellus diminutus

Red-Backed Tetra - Hyphessobrycon bentosi

Red-Backed Tetra

Hyphessobrycon bentosi

Spotted Dora Catfish - Agamyxus pectinifrons

Spotted Dora Catfish

Agamyxus pectinifrons

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

Pez ventosa de borneo - Sewellia lineolata

Pez ventosa de borneo

Sewellia lineolata

They are school fish, it is recommended to combine several specimens of the same species.


Hatchet Fish - Thoracocharax stellatus

Hatchet Fish

Thoracocharax stellatus

Similar Sizes (6 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.


Kissing Gourami - Helostoma temminckii

Kissing Gourami

Helostoma temminckii

Boeseman's Rainbowfish - Melanotaenia Boesemani

Boeseman's Rainbowfish

Melanotaenia Boesemani

Empire Gudgeon - Hypseleotris compressa

Empire Gudgeon

Hypseleotris compressa

Stick Catfish - Farlowella acus

Stick Catfish

Farlowella acus

Red Rainbowfish - Glossolepis incisus

Red Rainbowfish

Glossolepis incisus

Altum Angelfish - Pterophyllum altum

Altum Angelfish

Pterophyllum altum

With Reservation (1 Species)

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


Upside-Down Catfish - Synodontis eupterus

Upside-Down Catfish

Synodontis eupterus

Considerable size difference (2 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.


Suckermouth catfish - Hypostomus plecostomus

Suckermouth catfish

Hypostomus plecostomus

Discus fish - Symphysodon aequifasciatus

Discus fish

Symphysodon aequifasciatus

Compatible if space is enough (4 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

Dwarf Cichlid - Apistogramma borellii

Dwarf Cichlid

Apistogramma borellii

Myanmar Darío - Dario sp Myanmar

Myanmar Darío

Dario sp Myanmar

Filamentous Tetra - Dicrossus filamentosus

Filamentous Tetra

Dicrossus filamentosus

Hatchet Fish

Thoracocharax stellatus

Hatchet Fish - Thoracocharax stellatus
  • Ph: 6.5 - 6.8
  • Temperature (c°): 26 - 33
  • Measures: 6 cm - 8cm
  • Aquarium Capacity:
    12 Liters - 3 Gallons
  • Alimentación: Carnivores, Omnivores
  • Colores: Gris, White
  • Comportamiento: Jumper, Peaceful, Shoal
  • Habitad: American
  • Preferencias del Acuario: Logs, Natural plants, Rocks
  • Tamaño: Small
  • Taxonomía: Fish
  • Tipo de Agua: Sweet water, Tropical waters
  • Velocidad de nado o movimiento: Normal
  • Zona de Nado: Swim in the middle of the aquarium