Archive for the ‘What is Killifish?’ Category

What is killifish by Tyrone Genade

The word killifish is a modification of the Dutch term “kil vissen” that literally means “stream fish”. The first killifish was the mumichog Fundulus heteroclitus, which was discovered in a stream near New Amsterdam (modern day New York). This word, killifish, is now widely applied to all egg-laying  members of the order Cyprinodontiformes. Also belonging to the order Cyprinodontiformes are the American live bears such as guppies, mollies, platies and swords—and the least killifish Heterandria formosa. The ricefish (Oryzias species) are today placed in the order Beloniformes but is afforded honorary killifish status for old times sake. Both orders are regarded to be closely related to the Atheriniformes (rainbow fish and blue-eyes). As evidence of this, is the potential for eggs of the blue-eyes Pseudomugil species (of the order Atheriniformes) to enter a delayed state of development akin to diapause. Eggs of Pseudomugil gertrudae and mellis are able to extend their incubation 100% (from two to four weeks) when incubated in damp peat instead of water. The eggs of Pseudo

mugil cyanodorsalis can remain undeveloped for extended periods of time in full strength sea water, only beginning to develop in the presence of fresh or brackish water. The eggs of killifish, while not normally tolerating sea water, react similarly to an increase in salinity. Previously all the killifish fell under the family Cyprinodontidae but have since been split up into several diverse families. The lamp-eyes now fall under the family Poeciliidae along with the guppies and mollies. The Aphyosemion, Epiplatys, Aplocheilus and Nothobranchius are now of the family Aplocheilinae and the Rivulus and the former “Cynolebias” species

now under Rivulinae. The various Fundulus types of North America fall into their own family Fundulinae. Then there are the families that include the pupfish and Aphanius etc. . . There are approximately 700 species of Cyprinodont. Where in the past the taxonomy represented the morphological and meristic similarities, today

it represents the hypothesized evolutionary lineages. This implies that all fish belonging to the same genus share a common biology that is more closely like each other than any other species group. While not to claim that the

science is unimportant, the real issue for us as fishkeepers is that if we know something about the care of one member of the genus we can reasonably assume the same characters are possessed by a species you know nothing about within that genus. When beginning to experiment with a new species these assumptions are invaluable in approaching the question of how to care for your new charge. Another conformation adopted by the author, is to where ever possible, use the currently accepted sub-generic name for a group of fish. While some ichthyologists reject the genus name Chromaphyosemion1 as a valid genus name for the fish that were the bivittatum-group of the genus Aphyosemion, this author does recognize the validity of this name. The reasoning is simple: the fish of the genus Chromaphyosemion resemble each other more closely in form and physiology, than they do other members of the super genus Aphyosemion. Likewise, the names Diapteron, Kathyetys and Mesoaphyosemion will be used to descriptively group those particular members of Aphyosemion.

In summation, to the hobbyist’s mind a killifish is a Cyprinodont that lays eggs. That lamp-eyes are more closely related to livebearers than Aphyosemion doesn’t make them any less a killifish.

Caring For Your Killifish


Killifish is one of the most interesting groups of ornamental fish hobby. They are
The most closely related poecillid livebearers, and once known as “egg laying
toothcarps” to distinguish them from “livebearing toothcarps” as the guppy and
Killifish is all over the world including North America, South America, Africa, Europe and
Asia. There are several types of killies live in the Great Lakes region of the United Nations
The countries are in local streams and rivers. However, in most killies
Common interests from Africa or South America.


Most killifish are solitary. They do not like school TETRAS prefers to spend time
Lurking in the plant. Some of the greatest killifish is very positive and should maintain its
While others are shy and retirement. Almost all killies is a good jumper, so kill Aquarium
Should maintain good coverage.


Killifish does not require the aquatic environment, the supply of water to keep
Clean. Many fans kill add half a teaspoon of salt per gallon of water because killies
Vulnerable to diseases like velvet. A couple of killies be maintained at 121 / 2 gallons
Aquarius, while large variety of take 10 or 20 Jialuntanke. Most killies not good
Community aquarium, better hold their own. Killies is the kind of predators,
How to live or frozen. Killies make bad food when fed, full-chip soon
Weaken and die.
When stored in a reservoir of community, killies lenses can not compete
Faster, more aggressive tank mate. Live baby brine shrimp is the best food
killifish , it is a living and Blackworms white worms, worms, frozen blood, frozen Brine Shrimp.
As the largest species of earthworms and baby guppies.


Killifish traditionally divided into two classes based on their method of reproduction: mopspawning
And at the end of spawning.
• mop reproduction killifish deposits its eggs in cotton mop or plant leaves, where they may
Deleted aquarium and a small container of water in the incubator. The egg
Usually two weeks incubation and young people are also big enough to eat immediately
Baby brine shrimp or vinegar eels.
• the end of the spawning ground or peat moss killies the bottom of the tank.
The peat is removed, the water squeezed. Peat and stored in a plastic
Package 6 weeks to 9 months depending on the species. When peat is
immersion in water, infant killies were born!
This is a most ingenious of nature was the survival of these fish dry with Now in their natural habitat.
Import your Killifish

Killifish introduction

Killifish, or killies short, belong to the order Cyprinodontiformes toothcarps or egg. Named “Kelly” is the word from the Netherlands, which means “river”. Killies, in other words, is “fish creek.” But the name is a misnomer, because killies, can be found in almost every part of the world, but also live in ponds, streams, rivers, bays and estauries, basically, until there is water, sometimes even if I did not. The real reason, these fish are called killies because of their name really can kill, try to remember that they are pure murder. Of course a joke, but the name can sometimes kill a nice mouthful. Just try to say “Simpsonichthys” or “albimarginatus, know that I mean.There is a good reason, but because killies usually do not have a common name.Scientific name is the only way to trace the origin and identity. Thank you for your awareness and efforts of most breeding species in the world kill kill remained pure. Unlike some other tropical fish, almost all deaths were crossed, and not
“James Bond Kill” or “half kill”. So, never been to your killies. If you do not spread the hybrid, and never, ever sell it eggs.Broadly, killies can be divided into two categories, non-annual and yearbooks. It is said that the annual fresh water as acidic, but only annuals thrive in hard alkaline water. But let me tell you a little secret – except salt in a pond, I have not made any changes in water chemistry kill my tanks. In other words, all my killies live in waters of pH 7 and KH 0. They also said killies breeding only at low temperatures, like 25 degrees Celsius. I do not have air conditioning and refrigerators I can not afford, so all my tanks at a temperature of 30 degrees Celsius most of time, sometimes even higher. I have all my breeding killifish not yet been successful but have been with the lot. non-annual plants do not include as killifish Aphyosemions. It is probable that this is a Aphyosemion Australe, killifish few that have a common name lyretail. Non-annual eggs in plants or breeding mops. Although it is highly unlikely that you will never meet a woman lyretail here. Many parts of the shop owners and importers of fish foolishly believe that if they sell the supporters like you and I will get the farming of fish and undermine their markets. Oh, there is no point to keep the fish if you can not breed them. This is a vicious circle. People refuse to sell women in business, can not breed fish lovers, and eventually lost interest in the fish shop owner claims killifish not sell, because nobody was interested.  Annuals, by definition, is not normally live more than a year on killifish. They come from different countries during the rainy season and dry season. One of the most beautiful of all annuals killifish are rachovii Nothobranchius. Nothos because they are often called, especially from Africa. When the rainy season, the lake dried up, dead fish, their eggs will be in the mud until the next rainy season. When the rain fell, filling the pool, the eggs hatch and live Nothobranchius.