how to tell the difference between male and female yoyo loaches?
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There is no clear or reliable method of sexing yoyo loaches. But when adult it is said that females are more plump than the males.
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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.
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['The male is slender and the blue line is straighter while The female is rounder producing a bent blue line.', 'Mostly, the males are bigger than females.']
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Males are often slimmer but larger-bodied than females and are more vibrantly colored. The dorsal and anal fins of the male are more pointed, larger and more flowing than in the female. In many species, the male will display egg-shaped markings on the anal fin known as egg spots.
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The most reliable way to tell whether your axolotl is male or female, is to look at their cloaca (vent). The male's cloaca is swollen, while the female's has only a tiny bump, if one at all. When lighter coloured axolotls (albino, golden and leucistics) reach sexual maturity, their toe tips turn dark brown/black.
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Females are said to be larger and “stockier” than males and have lighter patterning (striping) than males. Generally, these differences are impossible to detect at a juvenile age, or the age most pet stores offer them for sale.
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Sexing flies There are several characteristics that differentiate males from females. The most simple characteristic to use to differentiate the two is to look at the genitalia of the flies. Males have dark, rounded genitalia at the tip of their abdomen, whereas females have light, pointed genitalia.
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Using Tails to Determine Gender The most common way to determine gender in a turtle is to look at the length of its tail. 3﻿ Female turtles have short and skinny tails while males sport long, thick tails, with their vent (cloaca) positioned closer to the end of the tail when compared to a female.
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Young females, females without a joey, or females with a very small joey in the pouch are difficult to distinguish from young males. To be absolutely sure you need to look at the abdomen; females have a pouch opening, while males have a scrotum.
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Watch the Fins The most pronounced difference between the male and female angelfish is the size of the tube located between the anal and the ventral fin. This tube will be much thicker in the female than in the male, but the difference is generally not easily visible until the fish have begun to spawn.
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Females are usually wider around and grow to be 20-40 cm long, while males are usually thinner and grow to be 15-30 cm long. Examine the posterior end of the worm. Female worms are straight while males are hooked. ... A male worm has pineal spicules, or spine-like extensions, near its opening.
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One of best ways to distinguish the sex of a trout is to examine the mouth. Female trout all have a short rounded nose or upper jaw, while male trout have a more elongated snout. If your trout has a lower jaw with a kype, it's a male for sure.
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There are visible clues that they are there, though. You can look at the shape and length of the tail to help you decipher whether or not your snake is a male. Males will have a tail (the portion of the snake starting after the cloacal opening) that is thicker and longer than their female counterparts.
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The most simple characteristic to use to differentiate the two is to look at the genitalia of the flies. Males have dark, rounded genitalia at the tip of their abdomen, whereas females have light, pointed genitalia. ... Male Drosophila are generally smaller than their female counterparts, and have a darker abdomen.
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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.
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There are two ways to identify your crab as being either male or female including claw color and apron shape. First, take a look at the crab's claws. Male crabs will have bright blue claws like the first picture below. Female crabs, however, have red tips on their claws like in the second picture.
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Male and female guppies have very different body types that become quite obvious as the fish mature. Males are smaller overall, and their bodies are long and thin. Females grow much bigger than the males, and they have much heavier-looking bodies. The female's body is much more rounded compared with the male's.