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Amazon mollies have a small dorsal fin consisting of 10-12 soft rays. [9] The position of the dorsal fin on the back of the fish is anterior, closer towards the head, than the position of the anal fin on the underside of the fish. They do not have any spiny rays on their fins. [10]
They need spacious tanks with well-aerated, slightly brackish [4] water to thrive. They are able to withstand higher temperatures than most pet fish. Although they can survive over 30 °C for prolonged periods of time if other conditions are good, temperatures should be kept between 25 and 30 °C.
Silver mollies have had all pigments but silver eliminated through selective breeding. [3] Chocolate mollies exhibit brown rather than black coloration. [3] In addition to the colors, fancy mollies differ in the shape of their fins. [3] Lyretail mollies have extended upper and lower ends of the caudal fin. [3] Veiltail mollies have an enlarged ...
These cold-like symptoms are referred to as "heater sickness." ... back into dry air caused by heaters. Lizarzaburu recommends them, especially if you or your family members have a history of ...
It'll help keep you toasty warm during the cold months by quickly heating up towels, PJs, blankets and bathrobes for a spa-like treat that'll make you forget all about winter's chill.
This makes them much easier to raise, and for this reason, aquarists often recommend them for beginning fish breeder hobbyists. The larger livebearer fry makes them far less vulnerable to predation, as the parents often eat fry if hungry. With the sufficient cover in the way of plants or porous objects, they can sometimes mature in a community ...
The safest way to do this is to use a heat sink such as a jug filled with hot water or stones warmed in the sun. These materials slowly release heat during the night, keeping temperatures beneath ...
An ectotherm (from the Greek ἐκτός (ektós) "outside" and θερμός (thermós) "heat"), more commonly referred to as a "cold-blooded animal", [1] is an animal in which internal physiological sources of heat, such as blood, are of relatively small or of quite negligible importance in controlling body temperature. [2]