9/25/2023 0 Comments Picture of an oscar fish![]() For others it is difficult or even impossible to tell the sexes apart in nonbreeding individuals. For some species, males and females are readily distinguishable by color, size or shape. Telling males from females is one of the most common problems a beginning cichlid hobbyist faces. but it's better than nothing when you are at a pet shop trying to pick a breeding pair of Oscars Answer Answerthe anal fin method is not always right. Obviously the person above is not an experienced fish keeper and therfore should not answer questions they don't know for sure. Everyone seems to think that it is hard to tell the sex of an Oscar but i of course disagree completely. I have had my Oscar for 6 months/that is how old he is and I can tell that he is a male by his longer anal and dorsal fin. you do not have to take an educated guess or wait till they breed. (or unless you disect them) AnswerI disagree with the statement above. You certainely cannot tell any Oscar until they are at least 1 year to 18 months old and at least 8 inches long. Sometimes, an experienced breeder can give a educated guess by looking at a MATURE Oscar, but there is no definite way to tell unless they breed. Oscars, (like peacock bass, angelfish and several other related species), do not show external signs of sexual differentiation. AnswerActually, while the pointed anal fin is a good way to tell the sex of many other South and Central American Cichlids, it does not work with Oscars. This does not apply to veil tail Oscars though. If it is short than it is probobly a female. If the anal fin is quiet long than it is a male. Answerthe females are mostly larger and bighter in color and the males has a organ behind the dorcile fin is your name tabatha rodgers by any chance cousin tanya rodgers dating Anthony row AnswerYou can tell if an Oscar is male/female by how long the anal fin is. ![]() Other than that, it is very hard to tell the sex of Oscars. The best way to sex Oscars is to put a group of young Oscars into a tank together and allow them to grow up. Some say that the male Oscar will develop better colors, some say the female gets larger. AnswerThis is a subject of much interest and much debate. I am afraid that the fin theory is incorrect. Venting is the most successful way of sexing Oscars. If they look the same, how can you tell the difference between the sexes just by looking at them? You can't. Oscars are monomorphic, meaning that male and female look the same. AnswerThis is a question I have seen countless times. I have kept and bred many Pairs of Oscars over the last 20 years and produced the only DVD solely about breeding Oscars in the world I can quite definitely say that there is no visual way of sexing Oscars other than when the ovipositors are extended when they are in breeding condition.
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