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Striped Panchax Killifish

Golden Wonder Killifish (color variety)

Family: AplocheilidaeGolden Wonder Killifish, a color variety of the Striped Panchax KillifishAplocheilus lineatusPhoto © Animal-World: Courtesy David Brough
Latest Reader Comment - See More
I just got a killi and it eats like a pig! When it gets bigger, will it eat my zebra danios? They are only and inch to inches long full grown.  Cindy

   The Golden Wonder Killifish is a gorgeous variety of the Striped Panchax!

   The Striped Panchax has always been a relatively popular killifish but the development of the Golden Wonder variety has really brought it into the spotlight. Now it is hard to find an aquarium store that doesn't carry this species.

   Killifish have the reputation of being difficult to maintain and are not recommended for beginners, but this generalization certainly does not apply to the Striped Panchax. It is a very hardy species and is easy to keep in the home aquarium. It is peaceful for its size and easy to breed too. A planted tank is an excellent way to showcase your specimens. They are especially pleasing when contrasted against a dark substrate in a well lit aquarium.

For more Information on keeping freshwater fish see:
Guide to a Happy, Healthy Freshwater Aquarium


Geographic Distribution
Aplocheilus lineatus
Data provided by FishBase.org
  • Kingdom: Animalia
  • Phylum: Chordata
  • Class: Actinopterygii
  • Order: Cyprinodontiformes
  • Family: Aplocheilidae

Distribution:    The Striped Panchax Killifish was described by Cuvier and Valenciennes in 1846. They are found throughout Peninsular India and Sri Lanka where they inhabit streams and reservoirs in high altitudes, as well as rivers, plains, fields, swamps, and brackish water.

Status:    This fish is not listed on the IUCN red list.

Description:    The body of the Striped Panchax Killifish is slender and elongated with a slightly arched back. The dorsal fin is set far towards the back half of the body, and the scales are round. The head is flattened on top with a pointy snout and upturned mouth, they have no barbels.
   The basic coloration is a coppery bronze with sparkling yellow-gold scales along the sides and extending onto the fins. Juveniles and females will have several broad dark vertical bars accenting the back half of the body ending at the base of the caudal fin.
   One of the most popular varieties, the Golden Wonder Killifish (seen in the photo above) has really boosted this species popularity. Other common variants include some with distintive tails, one that has an all red tail and another that has a red tail with white outer lobes.

Size - Weight:    This fish will reach about 4 inches (10 cm).

Care and feeding:    The Striped Panchax Killifish are good feeders. They will eat flakes, small pellets, and freeze dried foods but should occasionally be fed some fresh or frozen brine shrimp or bloodworms to keep them looking their best.
   This is a hardy fish that is easy to keep. Their natural habitat ranges from streams to lakes to swamps and even into coastal brackish water environments. This means you can keep them in freshwater or a brackish tank. A brackish environment can be created by adding 2 - 3 teaspoons of salt for each 2 1/2 gallons of water. A minimum tank size of 20 gallons with a tight fitting lid is recommended. Provide good filtration and do regular water changes.

Water Region: Top, Middle, Bottom:    This is a species will spend most of their time near the top of the aquarium.

Acceptable Water Conditions:    Temperature: 72 - 77° F (22 - 25° C)
   Hardness: 5 - 20° dGH
   Ph: 6.0 - 7.5

Social Behaviors:    They will usually leave other species alone unless they are small enough to be considered food. Adult Striped Panchax Killifish will quarrel amongst themselves so it is suggested that you keep only one or a group of at least four. They can also be kept with many other moderately peaceful varieties of freshwater or brackish water fish. They are an idea tankmate to keep with gobies.

Sexual Differences:    The males will be larger, more colorful and their anal fin will be more pointed than that of the females.

Breeding/Reproduction:    The spawning method of the Striped Panchax is basically the same as with other species of Aplocheilus, such as the Blue Panchax. A spawning pair can lay 50 to as many as 300 eggs daily and spawning may continue for several weeks. They lay their eggs in fine leafed plants or a clean spawning mop.
   The plants/mop should be removed daily and replaced with new ones. The egg laden plants/mop should be placed in a tank containing clean water with the same quality parameters as the parent's tank. The eggs will mature in 12 to 14 days. After the eggs hatch, the fry will have an obvious egg sac on their bellies. Once this sac has been absorbed, feed them nauplii or powdered dry foods. Some of the fry will grow faster than others so there is the possibility of cannibalism. If you want to successfully raise as many of the fry as possible, you will have to sort them by size so this doesn't happen. Pay close attention when feeding, as foods if uneaten can quickly foul the water.

Availability:    The wild color versions of the Striped Panchax Killifish are occasionally available, but the Golden Wonder Killifish variety is very common. It is relatively inexpensive because it is being mass produced in Indonesia, and will run about $2.00 - $4.00 USD each.

Author: Ken Childs
Additional Information: Clarice Brough, CFS


Aplocheilus Lineatus Gold Wonder Killifish Aplocheilus Lineatus Gold Wonder Killifish
Offered By: That Pet Place
Price: $6.99
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Lastest Comments on Striped Panchax Killifish

Cindy - 2010-05-04
I just got a killi and it eats like a pig! When it gets bigger, will it eat my zebra danios? They are only and inch to inches long full grown.

Click For Replies (5)
  • cindy - 2010-08-10
    Well, it's 3 mos later now and my Killi is basically full-size. He has NOT eaten the Zebra Danios. I feed him well, though, and the Zebras were pretty much full-size when I got the Killi. They are about 1 1/2 inches and the Killi now 3 1/2.
  • cushtyken - 2010-08-14
    I have 3, all about 3 inches in length, I have been trying to keep neons in my 80 gallon tank for almost 8 months without success, they just disappear? Today I watched one eating a whole neon, tonight they are flushed down the toilet! How can they be classed as a "peaceful fish" when they kill everything else ?
  • Editor's Note - 2010-08-15
    They will usually leave other species alone unless they are small enough to be considered food.
  • kye turnbull - 2011-12-10
    yes you were keeping them with the fish neons. but you cindy, are also doing that but there's less of a chance.
  • batch - 2012-01-30
    Cindy, if you keep the Killis fed, they won't eat your Danios. When I've experimented with not feeding my Killis daily, they responded by eating Danios and Neon Tetras.

    Cushtyken- You are irresponsible to your fish and the humans whose water supply you are potentially contaminating by flushing fish down the toilet. Flushing your fish for being a fish? Feed you killis, LEARN about your Killis, don't flush living fish.
Reply
cindy - 2010-12-10
I am wondering if anyone has had any experience keeping kuhli loaches and golden wonder killifish together in the same tank?

Click For Replies (2)
  • christian - 2011-01-12
    I have a golden wonder in my tank with kuhli loaches. The killi doesn't seem to notice them except right before lights out. Then they seem to play tag but no harm is done since they keep their mouths closed.
  • kye turnbull - 2011-12-10
    that's good news because i am about to get 3 killis and put them in with a kuhli.
Reply
Anonymous - 2011-06-01
I have 4 of these wonderful fish. 2 have have stripes towards their back end. Why? Also 1 has gone missing. It sounds impossible but I can't find him in the aqurium any where. Does anyone have an idea where he is? I love all my fish very much. It wasn't a cat, none of the other fish ate him, and I didnt see his body in my net or close to the aquruim. Thanks

Click For Replies (3)
  • Charlie Roche - 2011-06-01
    Almost every week at least one person writes in that they can't find a particular fish. Most of the time, the fish magically reappear. It also seems that most are found to be just find behind the filter. I have no idea why but this happens frequently. Good luck and I hope you find yours.
  • cindy - 2011-06-30
    Killifish are notorious for jumping out. You need a lid with little to no gaps around it.
  • kye turnbull - 2011-12-10
    these killis can jump out flip around alot so he could have fliped along way from the tank.
    to stop this you should get a lid.
Reply
Cindy - 2010-10-11
Well, my golden wonder isn't doing so well these days. He just suddenly stopped eating a week ago. I read about parasites in the throat and have been treating, but, no luck. I've done water changes, everything. Just today I noticed that one of his gills has sorta collapsed (it looks sunken in). The other is fine. There are no other symptoms. What could this be and what should I do?

Click For Replies (4)
  • cindy - 2010-12-10
    Amazingly, after not eating for 3 wks my killifish made a full comeback. He was so hungry he tried to eat my Panda Cory Cat only to successfully mangle it and thus, kill it. The one gill is still a little sunken and he is more picky about his food (he doesn't like the flakes anymore) oh and he is now fascinated with the filter (he hangs out near the black box most of the day, now and does this weird "dance" routine in front of it). He is not scratching himself. I treated him for both internal and external parasites, plus, bacteria. I literally, dropped the medicine down his throat at one point out of desperation. I knew it might kill him, but, the rate he was going, he was going to starve to death, anyway, so, I figured I might as well try everything. And it worked! I am so happy. I prayed too, so, maybe God just answered my prayer. I do enjoy my Killi Willi (my husband named him that after Chilly Willy). I am not allowed any other pets but fish so this why I am so nutty about him. I wouldn't be if I could have a dog.
  • Clarice - 2010-12-12
    Wow Cindy, I am so happy about your fish! I read your comment about him not doing well, but you were treating him, so didn't know what to add.

    You're experience is awesome, and your "doctoring" him up was a very unique. Never thought of that, but so glad it worked!
  • cindy - 2011-06-30
    He's back to not eating again. Almost 2 weeks so far. Can't see anything wrong. Have been trying the same thing as last time (various medicines in the tank, plus a dip, plus dropping medicine directly down his throat), but, no success so far. He usually swims around a lot, but, not now. Also gasping.
  • kye turnbull - 2011-12-10
    have you got a air pump.
    if not than put one in.
Reply
Oksana - 2010-10-29
I have one, we call her Journalist because she always has to know what is going on. It was all on her face (if you call it this way). Molly is swimming (where? why?). The aquarium lead is lifted (why? hand? food? yeah!). She likes eating from hands and looks like she is always smiling/laughing. Such a lovely creature!

Reply
DAWN - 2010-01-27
I have an interesting Killi that takes great offense to me cleaning the tank and if my arm is in the tank he will attack repeatedly trying to nip at me. He is not looking for food as he postures, then hits and runs! Funny guy!

Click For Replies (1)
  • Cindy - 2010-10-11
    Mine does this too.
Reply

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