|Main Index > Detailed Fish Profiles > Rainbowfish and similar species > Dwarf Neon Rainbowfish||
33 visitors reading profiles
This page will give a completely detailed profile of the selected
fish, from A to Z. The profiled fish will be chosen randomly by Badman,
and will come from the complete genre of tropical fish. New profiles
are added on a regular basis. If you would like to submit a profile
for the site please contact me. Don't forget to let us know you experiences
with this fish by filling out the
This profile was written by Mary an active contributor to the site.
General Body Form:
As with the other Melanotaenia species, the body is rounder, and
the fins and tail are short and unremarkable in size or shape.
Light colored body with bright blue sheen. Males have red fins. Females have yellow to light orange fins. The males breeding stripe from top of nose to dorsal fin flashes yellow during displays.
This is a peaceful schooling fish. They should be kept in schools of 5 or more. And should have a ratio of 2 or more females per male if possible. They prefer softer, slightly acidic water but will acclimate well into any ph within the average range.
Rainbowfish in general need nice clean water, M. praecox is no exception. Provide them with a well filtered tank with good current and aeration and they will thrive. When water conditions are sub-optimal this fish is prone to developing columnaris, and a condition of columnaris that we call threading. You will see wisps of what looks like string or hair hanging off of the mouth or sides of the fish. This is a sure sign that the water conditions are sub-optimal and performing extra water changes will clear it right up.
M.Praecox is a substratum egg layer. Eggs adhere to the roots of floating vegetation , or in the leaves of fine leafed plants near the water’s surface. If using a mop breeding technique in the home aquarium, eggs look for the eggs high in the mop.
Policy | Contact
Badman's Tropical Fish
All rights reserved. Reproduction of any portion of this website's content is forbidden without written permission.