Jack Dempsey Fish – Size | teeth | Baby | Tank | Eggs | Lifespan

Jack Dempsey Fish
(Last Updated On: April 14, 2021)

Jack Dempsey Fish, scientific name Rocio octofasciata belongs to the cichlid class of fish. It has stern facial expressions and a hostile nature, which is why it’s named after the aggressive boxer Jack Dempsey.

The Jack Dempsey fish are additionally known as Rocio octofasciata (often known as Cichlasoma octofasciatum in earlier instances). They are additionally known as Blue Frontosa in Mexico, the place they’re a local species.

Jack Dempsey Fish Origin

The Jack Dempsey fish is spread throughout a large range of areas, roughly from the North to Central America. It is native to Mexico and the Republic of Honduras.

The species can also be present in Australia, Thailand, and the United States of America, however, its inhabitants in these areas shouldn’t be as high as that in Mexico or Honduras.

Jack Dempsey Fish Quick Facts

Scientific Name: Rocio octofasciata
Family: Cichlidae
Genus: Rocio
Care Level: Intermediate
Temperament: Aggressive
Color Form: Gray with vivid flecks
Lifespan: 8-10 Years
Size: 10-15 Inches
Diet: Carnivore
Minimum Tank Size: 80 Gallons
Tank Set-Up: Tropical freshwater
Compatibility: Aggressive fish of an identical size

Jack Dempsey Fish Physical Features

The Jack Dempsey cichlids have stern facial expressions and a really robust facial bone construction. They are present in various lengths however may be as long as 23 to 25 cm.

The males have pointed anal fins too. They have vivid glowing dots on their fins, scales, and different body elements. The Jack Dempsey cichlids have more than 8 stripes on their body.

Their color is darkish. While the younger ones are light gray or blue, they alter the color to purple with vivid blue or green flecks. They are additionally identified to alter color based on their emotional states.

Jack Dempsey cichlids darken throughout their breeding season and switch right into a darkish gray or virtually black. While uncommon, some breeds of the Jack Dempsey cichlids are additionally present in golden, electrical blue, and even in rose gold color.

Despite having a vivid color, they don’t seem to be as vivid as different species of cichlids. The feminine fish are prone to be smaller and fewer vivid in color in comparison with the male fish. The male species even have more vivid spots, that are more unfold on them.

Jack Dempsey Fish Habitat

The Jack Dempsey cichlids are mostly present in marshy and muddy areas, the place water strain is low and flows at a sluggish pace. They may be present in stagnant water in a ditch. These fish want hotter muddy water our bodies over cooler ones.

They are additionally present in hillside water our bodies, as they assist in laying eggs on hills, the place they like to stay in freshwater. While these are the most typical areas the place a Jack Dempsey fish could be present in its native nation, additionally it is a popular species for aquarium in different international locations like Thailand.

Jack Dempsey Fish Aquarium Habitat

While they’re aggressive and territorial, they’re additionally thought-about shy. The Jack Dempsey cichlids fish, though they are often aggressive like different cichlids, can be simply saved with different fish in tanks and aquariums.

While different cichlid species may not coexist with different fish, Jack Dempsey can as long as it’s given sufficient house and an area to cover each time it feels shy.

Small tanks wouldn’t solely consequence within the cichlids combating with different species, however, it additionally causes fights between the female and male fish. They are stated to get alongside effectively with different species of cichlids.

Jack Dempsey Fish Feeding

The Jack Dempsey fish are omnivorous and predators, so that they primarily feed on different fish and fry like brine shrimp. They may additionally feed on small vegetation or milled seafood. They feed on worms, crustaceans, bugs, and fish. They can be fed frozen bloodworms.

When saved in an aquarium, their feed ought to be intently monitored. It is suggested to not feed them an excessive amount of meat, as a high quantity of fats and proteins may be dangerous to them.

It can also be necessary to maintain their feed, as dietary deficiencies, comparable to in minerals or nutritional vitamins, have been identified to trigger ailments. Their dietary state additionally displays how they give the impression of being on the surface by affecting their color and size.

Care

It is important to take care of the environmental elements necessary for his or her habitat, for instance, holding the water clear from any ammonium chemical and holding nitrate ranges at a sure restrict.

While youthful fish or newborns is likely to be higher tailored to poisonous water, they die in virtually four years if the chemical compounds within the water usually are not saved to an acceptable level.

Since the nitrate and phosphate ranges construct up with time in aquarium water resulting from natural decomposition, it is very important to replace water now and again.

Ideally, about 20 p.c of the water ought to be changed as soon as in two months, and the decomposed natural materials ought to be cleaned out.

It can also be important to have an efficient water filtration system. The water requirement can also be high, at virtually 50 gallons for 1 fish.

They ought to be saved in average lighting with 6.5 to 7 pH. The temperature ought to be saved about 26 centigrade, however through the breeding season, it will possibly go as much as 30 degrees too.

Although it isn’t important, it’s suggested to brighten the tank to make it resemble its natural habitat.

Rock and wooden are the most effective decisions for this goal, however, vegetation can be used, as these cichlids are much less prone to destroy them. Some of the vegetation that can be utilized to brighten the tank is water wisteria and Java fern.

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Jack Dempsey Fish Tank Mates

While Jack Dempsey fish are usually protected to be saved in tanks however they don’t seem to be your best option resulting from their aggressive behavior. Thus, it is very important to contemplate which fish species to maintain as their tankmates.

It ought to be famous that because the Jack Dempsey cichlid fish can eat small fish and fry, they shouldn’t be saved with fish sufficiently small to be predated upon.

Since Oscar fish are a fast-growing species of fish, they’re additionally prone to make good tankmates for them.

Other than one other species of cichlids, they are often saved with goldfish, angelfish, Corydoras, and tetra. However, their recognition as aquarium fish has been declining in recent times, as in comparison with the opposite kinds of cichlids.

Ecology

Like another species, the Jack Dempsey cichlid fish requires a specific climate in its habitat. It wants virtually neutral water pH however can survive in barely acidic pH quiet than alkaline. It can survive over a pretty big range of temperatures, that’s, 22 to 30 centigrade.

Jack Dempsey Fish Breeding

The Jack Dempsey fish are among the many best fish to breed, as the feminine fish would often lay around 500 to 800 eggs and ensure they lay them in a comparatively protected space.

Despite the truth that the Jack Dempsey fish want marshy and muddy areas to stay, the feminine Jack Dempsey ensures that they lay their eggs on a tough and stable floor.

Both the men and women are accountable for caring for the eggs before they hatch and are extremely protective towards their offspring. They would possibly present aggressive behavior when their offspring are threatened.

They are fairly prone to cover their offspring in caves or small ditches or another place they deem protected from predators.

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Health

These cichlids are affected by any infections that may have an effect on freshwater fish. One such frequent illness is Ich, which may be handled in aquarium fish by merely holding the aquarium at a barely higher temperature than ordinary for just a few days.

They may be affected by different infections as effectively, and their dietary deficiencies may trigger some health issues. These are primarily brought on by being poor in some nutritional vitamins like C and D or in minerals like calcium and phosphorus.

Unsuitable water circumstances may additionally manifest in ailments. The fish are additionally vulnerable to fungal or bacterial infections, so holding aquarium water clear for them ought to be a precedence.

Jack Dempsey Fry

However, the Jack Dempsey fishes present a large range of behavior towards their fry. While some are overprotective, others would possibly eat their very own fry. Some fish are additionally identified to interrupt and chew meals for his or her fry before the fry eats it.

They are extremely protective and territorial of their companions. The finest pair for breeding is a feminine and male fish, however, 2 or more females with one male fish may additionally work. However, it’s inconceivable to have more than one male fish for one feminine fish.

The Jack Dempsey cichlid fish have a lifespan of about 10 to 15 years and develop about 0.5 inches in size each month until they’re absolutely mature.

It can also be claimed by some analysis research that adorning the tank (if the fish are saved in an aquarium) can be useful through the breeding season.

Other elements to be saved in thoughts within the breeding season are to maintain the temperature of the tank barely higher than regular, preserve the lighting dim, and feed the fish with high protein meals.

It can also be stated that holding the tank freed from noise additionally aids in breeding more fish. Read more about ctenopharyngodon-idella-grass-carp-is-the-largest-fish-production.

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