Sexual Dimorphism:
The way I sex B. persophone is as follows: (1) Males are darker in color; (2) Males have pointed dorsals; (3) females are rounder and show an egg spot. [16]
Last modification submitted by Gerald Griffin 04.19.08 (mm.dd.yy) ...
· Dimorphism = Gk word that is used to indicate morphological differences between the two sexes
· Diploid = organisms with two chromosomes of each type in the nucleus of each cell ...
Sexual dimorphism is rather limited with males larger in size and showing longer extensions on both the caudal and the posterior of the dorsal fins; these characteristics are more reliable in mature fish.
Sexual dimorphism:
Prices:Netherlands 2-3 Euro for normal fish.
Additional:This could be an "old" species. Many of the other corydoras could easily have developed from this fish, like C. panda, C. melanistius, C. davidsandi, C. metae, C.sychri.
Sexual dimorphism: Males more colorful and larger.
Prices: 3-5€
Additional: The fish in the picture shows a shorter dorsal fin than other fish I've seen from pictures.
Sexual dimorphism reported in this species by Frank Marini, Ph.D., in Reefkeeping magazine online - males have larger head, ...
Sexual dimorphism is not uncommon in cichlids. Shown here is a male (front) and a female (rear) kenyi cichlids (Maylandia lombardoi) ...
Does anyone have any > pointers on how to sex these fish as they seem to have less > sexual dimorphism than most apistos. All members of the pertensis-group are characterized by little sexual dimorphism in the body, but considerable in the finnage.
Many fish species show sexual dimorphism, a condition where males and females are different in form and/or coloration thus the sexes can be distinguished externally. Perhaps the ultimate in sexual dimorphism occurs in the deep sea Ceratoid anglerfish.
In an unusual twist to the sexual dimorphism (differences between males and females) commonly found in fish, the members of the Pelvicachromis species tend to have the female more vividly coloured and marked than the male.
In keeping with the family Auchenipteridae, sexual dimorphism exists in this species. In males, two main features are noted: 1) Anal fin modification - In males the last unbranched ray and the two branched rays following it are elongated and ...
Often, keeping Kenyi Cichlids of both sexes makes their appearance even lovelier, as their sexual dimorphism can provide a wide spectrum of color to an aquarium.
Both sexes are identical when juvenile, though at about 7 cm the dimorphism becomes apparent. T. meeki spawns like many other cichlids, forming mated pairs at about a year old and laying eggs in a cave.
Sexual Differences: The Malabar Puffers or Dwarf Puffers are unique in the puffer world in that they show sexual dimorphism once they mature. The male has a few distinctive characteristics.
Sexing: There is little sexual dimorphism when young. Males are slimmer and not as stocky than females and also have extensions on the upper and inner rays of the dorsal and caudal fins.
Among the more brilliant outstanding of sexual dimorphism can be found in Lake Malawi cichlids, Killifish, and Livebearers. In sexually isomorphic species, there are minute, if any, apparent sexual differences.
The Swallowtail Angelfish is one of the few angelfish to exhibit dramatic sexual dimorphism. The female pictured above is yellow dorsally, and light blue ventrally. The caudal fin is marine-blue highlighted by a dark, [...] ...
Like many other Mbuna species, there is sexual dimorphism in P. zebra. The anal fins of males have several colored "egg spots" surrounded by a clear margin. Females have no such spots.
A lot of mated pairs from fish farms are older breeders past their prime. If you want to eventually breed these fish, there's no way to sex them until they pair off anyway. Angels have no sexual dimorphism and can only be sexed by their genital ...
absent; upper jaw bordered by premaxilla only, protrusible; vomer usually present and supracleithrum always present; metapterygoid usually absent and ectopterygoid always absent; parietals present or absent; vertebrae 24-54. Marked sexual dimorphism ...
 See also: Fish, Water, Sexual dimorphism, Origin, Temperature
  
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