WebFish do not have periods. They have internal sexual organs and ovaries that produce unfertilized eggs once a year. When the eggs have matured, the female will eject them into the water for external fertilization by the male. This process, called spawning, makes a menstrual cycle in fish unnecessary. WebApr 8, 2024 · Instead of shedding the uterine lining, most animals just reabsorb it back into their bodies. Humans, it's thought, are different because our uterine lining is thicker and thus can't be fully reabsorbed. But the reasoning behind human periods actually isn't fully understood - there are a bunch of different controversial theories and though many ...
12.9: Fish Reproduction and Development - Biology LibreTexts
WebDec 15, 2024 · Do catfish have periods? No, catfish do not have menstrual cycles. No oviparous or egg-laying animals will ever experience periods. Their anatomy is simply … WebFeb 7, 2024 · There is no universal answer to this question as it can vary depending on the individual fish. However, generally speaking, most female Bettas do have periods, which usually consist of a noticeable change in the composition of their water, accompanied by behavioural changes such as increased activity and aggression. can anyone build a pc
Can fish have periods? - Answers
WebFeb 15, 2011 · It is absolutely ok to have a lamp by the betta fish tank, just make sure its not on 24/7, as fish need dark and light periods to function normally. Do menstrual periods blood stink? Yes sometimes ... WebJun 13, 2024 · Period smells “fishy” Some women report a “fishy” smell during menstruation. Unlike other common odors, fishiness usually indicates a medical problem that you need to see a doctor for. This odor... WebAt least one group of fish has been named after its pregnancy characteristics. The surfperch, genus Embiotoca, is a saltwater fish with a gestation period of three to six months. [13] This lengthy period of … fisher–yates 洗牌算法