02-20-2008, 03:41 PM
I found this info with a quick google search. It looks like it would be 10 to 24 degrees celsius (50 to 75 F).
Common names: rosy red minnow, fathead minnow, rosy reds, rosey reds, rosies, tuffy, tuffies, blackhead minnow, tuffy minnow, rosy red feeders, ruby red feeders, red top minnows
Scientific/Latin name: Pimephales promelas
Maximum length: Males 2-3 inches, females 1-2 inches
Colors: Fatheads - natural brown with black, rosy reds - light orange, or any combination thereof (spotted, splotched, etc.)
Breeding male attributes: Fatheads - black vertical stripes, fleshy head growths, and tubercules; rosy reds - fleshy head growths and tubercules
Breeding female attributes: Ovipositors, fatter and shorter bodies
Temperature preference: 50 to 75 degrees F, can survive 33 to 100 degrees F
pH preference: 7 to 8
Hardness preference: Moderate
Salinity preference: 1 Tablespoon per 10-30 gallons
Compatibility: Males may harass same species or other species when near the nest and will attack rival males without injury; otherwise, very peaceful
Life span: 1 to 3 years (average 1.5 to 2 years)
Ease of keeping: Easy
Ease of breeding: Easy if place to spawn is provided
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Common names: rosy red minnow, fathead minnow, rosy reds, rosey reds, rosies, tuffy, tuffies, blackhead minnow, tuffy minnow, rosy red feeders, ruby red feeders, red top minnows
Scientific/Latin name: Pimephales promelas
Maximum length: Males 2-3 inches, females 1-2 inches
Colors: Fatheads - natural brown with black, rosy reds - light orange, or any combination thereof (spotted, splotched, etc.)
Breeding male attributes: Fatheads - black vertical stripes, fleshy head growths, and tubercules; rosy reds - fleshy head growths and tubercules
Breeding female attributes: Ovipositors, fatter and shorter bodies
Temperature preference: 50 to 75 degrees F, can survive 33 to 100 degrees F
pH preference: 7 to 8
Hardness preference: Moderate
Salinity preference: 1 Tablespoon per 10-30 gallons
Compatibility: Males may harass same species or other species when near the nest and will attack rival males without injury; otherwise, very peaceful
Life span: 1 to 3 years (average 1.5 to 2 years)
Ease of keeping: Easy
Ease of breeding: Easy if place to spawn is provided
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