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Central American

Archocentrus nanoluteus

Archocentrus nanoluteus Female

Above Archocentrus nanoluteus. Photo of female in breeding color by Rick Borstein. Note fry below.

General

Archocentrus nanoluteus MaleArchocentrus nanoluteus is a rather recent introduction, first identifed by Allgayer in 1994. This Central American cichlid is related to other members of the Archocentrus genus such as the popular Convict Cichlid. This fish is found on the Atlantic side of the continent in the Guarumo River basin. Synonyms for this fish are Cyptoheros nanoluteus and it is also sometimes confused with Cryptoheros altoflavus. An article on the Cichlid Room Companion sheds some light on this.

Male Archocentrus nanoluteus get up to about four inches; females stay smaller at around three inches or so. You can tell the boys from the girls fairly easily. Male Archocentrus nanoluteus are larger and have more pointed dorsal and anal fins. In breeding coloration, these fish are bright yellow with chocolate brown to black markings. When not breeding, or unhappy, the yellow coloration fades to a tan color.

I first saw pictures of this fish in 2002. The bright yellow spawning coloration was very attractive and I was determined to get some. I've taken to calling this fish "banananluteus" in reference to the bright yellow color. So, I'm proposing a common name of "Banana Convict". What do you think?

Update August 2011: I've seen this fish referred to as the Banana Convict, so I think I started the trend!

Habitat

Archocentrus nanoluteus is usually found associated with the bottom of rivers and streams.

Care

Archocentrus nanoluteus presents no problems. I kept seven full-grown individuals in a 40 gallon breeder. The temperature was 78F and my water is very hard. Regular partial water changes are important, especially for growing fry. I did 50% weekly.

Feeding

Archocentrus nanoluteus is easy to feed. My fish ate a variety of foods including HBH Graze, New Life Spectrum, Dainichi ColorFX and other foods.

Breeding

I obtained two batches of fry. One batch was given to me and my son Sam by legendary "Babe in the Cichlid Hobby" Pam Chin at the 2005 ACA Convention in Fort Worth, TX. Unfortunately, only three of the tiny babies survived the trip back home to Chicago. I later acquired a few more babies at a GCCA Swap Meet.

Initially, I grew up the Archocentrus nanoluteus in a ten-gallon tank. They grew slowly but steadily and in about six months were just over 1.5".

Since the fish were getting way too big for a 10G tank, I moved the fish to a 40G breeder. This tank had a fine gravel bottom, some PVC "Cichlid Condos", two clay pots and a few artificial plants. Filtration was by two ATI sponge filters. I added three Australian Rainbowfish as dither fish.

At about 10 months old, most of the Archocentrus nanoluteus were approaching 2.5" long. At this point, I began to observe courting behavior between the largest male and the largest female. A pair of Archocentrus nanoluteus started hanging out near a clay flowerpot. The male began chasing away other fish and the female began cleaning the spawning site (flowerpot).

The pair laid about 75 pink-tan eggs. The eggs hatched in four days and were free swimming about five days later. The baby Archocentrus nanoluteus were immediately able to eat freshly hatched baby brine shrimp.

Retail Price

Archocentrus nanoluteus is more desirable and thus more expensive than other members of the genus. Expect to pay $12 to $15 for juveniles at pet shops. Archocentrus nanoluteus is available among cichlid hobbyists, but only a few specialty shops are likely to stock it.

Report November 2006 by Rick Borstein.

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