what are the differences between male and female goldfish?
432619
To identify a female goldfish, look for a rounder, thicker body shape. ... Male goldfish often have a thinner, more streamlined body shape than females, with a concave vent and a midline ridge. Also, males often develop small white spots called tubercles on their gills or face during breeding season.
415803
Look at the pectoral fins. The first ray of males tends to be thicker and longer than those of females of the same age. When viewed from above, males tend to be smaller and thinner than females of the same age. ... The anal opening of a male goldfish tends to be smaller and more oval than that of a female goldfish.
421419
MALE: Looks similar to females, but are a bit larger in size. FEMALE: Have a smaller build than males.
564789
The male betta fish is seen on the left, with much larger fins and more elaborate colors. The female betta fish is on the right, with more dull colors. If a female betta fish is responsive to a male betta fish's mating efforts, her colors can darken. She will typically be smaller than the male betta fish.
469623
Males are slightly smaller than females but there is wide overlap. Females have proportionately longer and broader wings. Males tend to have a more deeply notched tail, which they twist and flex more than the females. It is difficult to tell the sexes apart unless you have two to compare directly.
305590
The anus on a male is circular while the anus of a female resembles a keyhole, and the female's will become larger once it is time for her to lay eggs. Examine the weight of your walleye. A male will weigh less and look slimmer than a female, with a more streamlined appearance; female walleyes are rounder and plump.
1050800
Males are longer and thinner in shape, often with some gold coluration. Females are shorter and thicker comparatively. It is more obvious with a little close comparism and heavy feeding. Males will also chase females quite regularly since they spawn daily.
384224
Compared to females, male rainbow sharks have thinner bodies with black lines along the tailfins. Males also have brighter coloration. They can grow up to about 6 in (15 cm) long.
782159
Males are about half the female's size, with smaller bodies and longer legs. Both females and males have shiny, globular abdomens and are mostly black, and sometimes brown. Females usually have a reddish hourglass shape on the underside of their abdomens.
486150
Both the male and female electric yellow are brightly colored, but the dominant male will have the most intense coloration, sometimes appearing as a deep gold. Both fish have black stripes on their dorsal fins, but males have black ventral and anal fins as well. The dark anal fins have a light egg spot on each.
444747
Usually, an adult female guppy is (underlined in red) larger and bulkier than a male guppy (underlined in blue). The same couple of guppies at 7 months. Males usually sport brighter colors and have fancier shaped tails. Here, you can see another male with two females.
502041
The main differences between a male and female cat are physical and behavioral. Male cats are typically bigger and can be more likely to urine mark. Contrary to popular belief, males are often considered to be more affectionate than females, and females are often more aggressive towards humans and other cats.
431184
Koi and goldfish may look similar, but the two are actually two different species. Goldfish were developed by selectively breeding Prussian carp for color mutations. ... Koi will have these barbels on the lips, while goldfish will not. Also, goldfish tend to be much smaller and exhibit more variety in body shape than koi.
707667
The difference between female betta fish care and male betta fish care is very minimal. They both require the same water parameters, food, tank size, and decorations/plants. Males and females can require different types of care before, during and after breeding, but that's more advanced than basic care.
1398921
Body and Shape — Female body is a lot rounder and bigger than a male's. Male Guppies usually have very slender body. Female Guppies are almost twice as big as male are. ... A male's anal fin is usually long and pointed. Female's anal fin is triangular shape. The anal fin is the fin just below a Guppy's tail fin.
862393
While goldfish are considered by some to be hardier than koi, their needs vary more widely depending upon breed. Although smaller than koi, they produce a greater amount of waste in relation to their body size and as such require more dissolved oxygen (and more frequent pond cleaning).
522121
Males are more swollen at the base of the tail than females and have a pair of enlarged scales near their vent (cloaca). Females and juveniles have some color, but not nearly as bright. ... And although you'll often see both males and females doing push-ups (to regulate body temperature), the males are much more energetic.