How can I know if a red cap oranda goldfish is male or female?

Answer 1

Well, young goldfish are nearly impossible to sex. You have to wait to about breeding age (1-3 years) to be able to tell, and even then it is difficult because man yof the sexing characteristics only manifest themselves during the breeding season.

Males develop breeding tubercles (white pimples) on the gill covers and on the leading edge of the pectoral fins
Females develop a deeper body as they fill with roe (eggs), and have a larger vent (just before the anal fin) than the males

Answer 2

Red Cap Oranda Goldfish

Answer 3

Sexing goldfish is very difficult before they reach sexual maturity.
One way to tell is by looking at the shape of the vent. Females may have rounder convex vents while males have thinner concave vents. The pectoral fins of males may be rather thick and stiff (compared to those of female goldfish) and with a more pronounced outer ray.
Another way to tell is by male goldfish will developing breeding stars on their gill covers and along the first ray of their pectoral fins when they are ready to breed.

Here is a link to a site with pictures describing this:
http://thegab.org/Articles/SexingGoldfish.html

Answer 4

You did not cycle your tank, your filter out isn't efficient sufficient, the tank isn't super sufficient. might desire to permit the tank run with filter out and ammonia yet no fish for a minimum of four-6 weeks till now than including any fish Goldfish desire approximately 20 gallons each and each for oranda types, in case you get long bodied skinny goldfish they choose 50 gallons each and each and all choose a good number of filters and oxygen interior the tank you're fish are death of ammonia poisoning you're able to desire approximately 50 gallons a minimum of for 4 goldfish Your tank is basically not even 10 gallons NO GOLDFISH FOR THAT TANK length technique TOO SMALL goldfish get to be a foot long you recognize I promise they gained't breed they might desire to be totally mature, on the least 2 years historic to have babies, and in very super pond in general 2 hundred+ gallons for breeding yours might even though if be babies in the event that they slot in that tank, you at the instant are not waiting to even tell the genders while that youthful not a possibility I recommend getting a heater and get some guppies, it is stable for that tank measurement and consider up on cycling first, no fish will stay long in case you do not cycle first or have countless information with fish cycling however i don't evaluate you do