Reproductive character displacement occurs when sympatric and allopatric populations of a
species differ in traits crucial to reproduction, and it is commonly thought of as a signal of …

Studies on the evolution of reproductive proteins have shown that they tend to evolve more
rapidly than other proteins, frequently under positive selection. Progress on understanding …

Conspecific sperm precedence occurs when females are exposed to sperm from males of
multiple species, but preferentially use sperm of a conspecific. Conspecific sperm …

The gonads of both male and female sea urchins, commonly known as" Sea urchin Roe”,
are culinary delicacies in many parts of the world. The roe of sea urchins is considered as a …

Hybridization between Echinometra sp. A (Ea) and Echinometra mathaei (Em) was
examined through cross fertilization and rearing experiments to evaluate the aquaculture …

Inter‐specific hybrids are usually formed by mating two different species in the same genus.
They have been produced to increase growth rate, improve production performance, transfer …

Salmacis sphaeroides (Linnaeus, 1758) is one of the regular echinoids, occuring in the
warm Indo‐West Pacific, including Johor Straits, between Malaysia and Singapore. In order …

Breeding and larval performance of novel hybrids from reciprocal crosses of Asian catfish
Pangasianodon hypophthalmus (Sauvage, 1878) and African catfish Clarias gariepinus …

Pacific oyster Crassostrea gigas is one of the most important global aquaculture bivalve
species, and its growth traits have been improved by heterosis in the progeny produced by …

Echinometra is the most widespread genus of sea urchin and has been the focus of a wide
range of studies in ecology, speciation, and reproduction. However, available genetic data …