Select Aquatics of Erie, CO.
      Xiphophorus montezumae  Tomosopo


    Water Conditions- Temp. 72-78 degrees, Aeration,
   Water Movement, Plants, Larger Tank, Water
   Behavior- Shy, can be skittish. Males compete for
   Dominance. Not aggressive.

   Breeding- 10-40 young every 30 days, Best Bred 1 
   Male to Group of Females. Doesn't eat fry.

   Size- Up to 6 inches. 
   Price- $7.50 young sexed adults
             6 older fry- $40.00




   This is the king of swordtails, yet it is rarely kept in any real numbers, occasionally showing up at auctions. When it does, it will often
   bring up to $100 a pair. There are 4 populations kept in the hobby, Tomosopo, Capuchin, Rascon and Ojo Caliente, and by far 
   the Tomosopo is the most colorful while also being one of the largest. The montezumae behavior is the most "Wild" of any of the  
   swordtails. They can be shy, often hiding in the plants, and react to sudden or unexpected movement. However, as they become 
   comfortable with their environment, and their numbers increase, they will spend their time out in front showing off at one another.

   They should be kept in an aquarium of 30 gallons or larger with adequate filtration. Moderate aeration with some water movement
   and consistent water changes will keep this species comfortable. 10-30 young are born approx. monthly. They generally do not eat
   their fry, which should be caught and raised separately. Occasional live foods are not required for their survival, but its inclusion in 
   their diet strongly supports consistent breeding and growth.

   Males constantly compete with one another, and breeding is best with a single dominant male and a group of females in a 15
   to 20 gallon tank with a generous amount of plants, and places to hide. When fed well and bothered infrequently, they can be
   reasonably prolific. Their rate of maturity is similar to other swords- sexual development around 4 mos., breeding at 6-8 months. 
   For more information, of this fish, click here.

   Those who have seen this fish in the wild insist that it can reach nearly a foot long. Using up to 50 gallon tanks with just a few
   individuals and lots of live food, the largest raised here were slightly less than 6 inches long (including sword). Other aquarists  
   have claimed to raise them larger using larger tanks. Easily the most impressive livebearer you can keep in a home aquarium.

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