Different types of Siamese fighting fish

February 14, 2016
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Aggressive Freshwater Fish - Blue Peacock CichlidFish are animals and aggression is a part of the life of any animal. Some animals are more aggressive than others, including fish.

It is very important to know which fish species are aggressive and how to avoid disastrous combinations of keeping fish in the same tank resulting in the death of multiple fish.

Aggressive freshwater fish may receive a poor reputation by some people due to a bad experience, prejudice, or not enough knowledge about fish behavior, requirements, and suitable tank mates.

That’s why it is important for you to know the different type of aggressive freshwater fish.

Why are some fish aggressive or semi-aggressive?

Animals live on instinct and the law of survival of the fittest still applies in the animal kingdom.

Aggression is a behavior that is developed throughout the evolution of the fish species and can develop even in the most peaceful species of fish; the conditions fish live in may dictate whether the fish will become aggressive in order to survive.

Harsh environments and lack of food can lead to developing aggression needed for survival.

Aggression occurs when fish are feeding, mating, or simply defending their territory.

Aggressive fish are kept in fish tanks all over the world

Just because a fish is aggressive, fish enthusiasts may still keep them.

Some people like aggressive fish and predator fish in their tanks.

Aggressive fish tend to be territorial, fight over food, fight when mating, and attack other fish.

Predator fish feed on live fish, but aggressive behavior is not equal to predatory behavior.

For example, you may keep predators whom seem to get along just fine and when they eat live fish they behave like predators, but aggression is when they attack other fish over food.

Some fish can be extremely aggressive, but aren’t predators.

Aggressive Freshwater Fish - Vampire TetraPredators

Goliath tiger fish, vampire tetra, snakehead fish, peacock bass, giant wolf fish, alligator gar, Arowana, and Piranhas, especially the red belly and black piranha. These are voracious carnivores favoring a meat-based diet.

Cichlids

Most cichlids are aggressive, territorial, bite, kill, and eat or fight other cichlids and fish. Yet, there are some types of peaceful cichlids that are considered good parents and they aggressively defend their offspring.

Species of aggressive cichlids

American Species Dovii (Parachromis dovii), Jaguar cichlid (Parachromis managuensis), Midas cichlid (Cichlasoma citrinellum), Salvin’s cichlid (Cichlasoma salvini), Blackbelt cichlid (Cichlasoma maculicauda), Red devil (Cichlasoma labiatum), Oscar (Astronotus ocellatus), Green terror cichlid (Andinoacara rivulatus), Jack Dempsey cichlid (Cichlasoma octofasciatum), Texas cichlid (Cichlasoma cyanoguttatum), Firemouth cichlid (Thorichthys meeki), and Convict cichlid (Cichlasoma nigrofasciatum)
African Species Jewel cichlid (Hemichromis), Frontosa (Cyphotilapia frontosa), Tetracanthus (Neolamprologus tetracanthus), Lemon cichlid (Neolamprologus leleupi), Five-barred cichlid (Neolamprologus tretocephalus), Nyassa peacock (Aulonocara nyassae), Malawian eye-biter (Dimidiochromis compressiceps), Malawi golden cichlid (Melanochromis auratus), Melanochromis johannii, Cobalt blue cichlid (Pseudotropheus socolofi), and most Mbunas cichlids are considered semi-aggressive, but there are also aggressive ones.
Others Parrot cichlid (hybrid of midas and redhead cichlid)

Species of fairly calm temperament cichlids

  • German ram (Mikrogeophagus ramirezi), Angel fish (Pterophyllum scalare) are considered peaceful except during spawning, the beautiful Discus fish, Agassiz’s dwarf cichlid (Apistogramma agassizii), Dwarf shell-dweller (Neolamprologus brevis), Two-spot cichlid (Cichlasoma bimaculatum), Severum cichlid (Heros severum) are relatively calm, except during spawning, Redheaded cichlid (Cichlasoma synspilum) is fairly well behaved with other species despite its large size (11 inches) provided it respects its territory.

Tiger Barbs

These small schooling fish that nip the fins of long-finned fish and males are aggressive towards females when mating.

Betta Fish/Siamese Fighting Fish

Male Betta fish are very common small fish that behave quite aggressively towards each other and will fight one another to death.

Also, a male will fight with a female to the death unless the two are mating; however, when mating is finished, they should be separated. A school of female Bettas can be kept with one male safely.

Source: www.theaquariumguide.com
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