Redfin Prochilodus

<p>These fish are silver and have large scales, their anal fin has bold black and yellow bars, the dorsal fin is tall and has yellow markings and white spots and the pelvic fin is red. They can reach up to 12 inches. This species migrates twice a year. One of the migrations is to spawn and it is at the start of the wet season, after spawning the adults go back to where  they were before. The second migration happens in the middle of the wet season and then instead of going back to the start, they enter different tributaries. To keep these fish in captivity water temperature should range from 73°F to 84°F and water pH should be between 5.5 and 7.5. The tank should have a sandy substrate, driftwood branches and open areas for swimming. They can be kept in community aquariums with similar sized tankmates, also, they can become quite aggressive against their own so they should be either kept as single individuals or in large groups to dissipate the aggression.</p>

<p>This species is herbivorous. In the wild it feeds on algae and plants. In captivity it should be fed with vegetable matter like blanched spinach and cucumber, it should also be fed with dried foods .</p>

<p>There is no recorded breeding of fish kept in captivity. In the wild this species migrates to spawn.</p>

<p>This species is native to the Amazon basin in Brazil.</p>

<p>The water in which these fish are packaged is different from the water in the tank, since these fish are extremely sensitive to water conditions the acclimation process is very important. This process should never be rushed. Aquarium lights should be off for at least the first 4 hours of the fish in the new tank and it should not be fed in the first 24h. There are two acclimation methods: Floating Method and the Drip Method.</p> <p>Floating method -  the aquarium lights should be off and lights in the room should be dim, the bag in which the fish is should be placed in the surface of the water to float for about 15 minutes, this allows the water in the bag to adjust to the water in the tank. The bag should then be cut under the knot and the top edge of the bag should be rolled down one inch, then ¼ cup of the aquarium water should be added to the bag, this step should be repeated every 4 minutes until the bag is full, then half the water of the bag should be discarded and the bag should be put to float again and ¼ cup of the aquarium water should be added to the bag every 4 minutes until the bag is full. Afterwards, the Discus can be moved into the aquarium.</p> <p>Drip method – the aquarium lights should be off and lights in the room should be dim, the bag in which the fish is should be placed in the surface of the water to float for about 15 minutes, this allows the water in the bag to adjust to the water in the tank. The bag contents should be poured into a 1 gallon bucket that has never been cleaned with any chemicals, the fish should be enterally submerged. A siphon, using airline tubing, should be set up and a drip line should run from the main aquarium to the bucket. Several loose knots should be tied in the airline tubing to regulate flow. Sucking the end of the airline tube that goes to the bucket will begin a siphon, the flow should be regulated to 2 to 4 drips per second. Once the water in the buckets doubles, half should be discarded and the process should be repeated until it doubles again. Afterwards, the fish can be moved to the aquarium.</p> <p><strong> </strong></p>

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