Pristolepis marginata, popularly known as common catopra, is an endemic, ornamental fish
of the Western Ghats of India. Even though there are quite a lot of indigenous fishes that can …

Natural occurrence of male and female haploid, triploid and tetraploid Heteropneustes
fossilis is reported for the first time. Karyotypic and nuclear volumetric evidences are …

Balanced (1 to 1) sex ratios are thought to evolve by a process known as frequency-
dependent selection of the minority sex. Five populations of a fish with genetically based …

Sex determination in an atherinid fish, the Atlantic silverside (Menidia menidia), is under the
control of both genotype and temperature during a specific period of larval development …

The simultaneous removal of three to nine males from large social groups of Anthias
squamipinnis led to close to a one-to-one replacement of the removed males by sex …

The rainbow trout growth hormone gene has been successfully transferred into three
species of Indian major carps rohu (Labeo rohita), mrigal (Cirrhinus mrigala) and catla …

Techniques to produce 100% male tilapia Toggle navigation Toggle navigation View Item
WorldFish Repository Home WorldFish Community Sustainable aquaculture View Item …

Studies on Asiatic lions earlier suggested that they were highly inbred and have very low
levels of genetic variations. However, subsequent studies indicated higher degree of DNA …

Darwin proposed the theory of sexual selection to account for the evolution of extravagant
secondary sexual characters often seen in males because he argued that utilitarian natural …

Female mate choice is an important determinant for male reproductive success in anurans.
The advertisement call of the males contains information for species recognition. These calls …