of pregnancy. At least one group of fish has been named after its pregnancy characteristics. The surfperch, genus Embiotoca, is a saltwater fish with...

gestation-related features in humans and other mammals) Male pregnancy Nesting instinct Pregnancy Pregnancy in fish Prenatal development Prenatal nutrition and birth...

function. The fish family Syngnathidae has the unique characteristic of a highly derived form of male brood care referred to as "male pregnancy". The family...

favors the notion that the benefits of fish consumption during pregnancy outweigh the risks; however, the type of fish is important. Folic acid, which is...

Ziheche (紫河车), dried human placenta used in traditional Chinese medicine Caul Choriovitelline placenta Pregnancy in fish Zygote Jin M, Xu Q, Li J, Xu S, Tang...

in fish Otolith – bone used for determining the age of a fish Pregnancy (fish) Walking fish The temperature is often around 0 C. The freezing point of...

Administration (FDA) in the United States reports that there are six million pregnancies with at least 50% of the women taking at least one medication. In addition...

blood cells (RBCs) or hemoglobin in the blood during pregnancy. Anemia is an extremely common condition in pregnancy world-wide, conferring a number of...

schooling In biology, any group of fish that stay together for social reasons are shoaling, and if the group is swimming in the same direction in a coordinated...

Morning sickness, also called nausea and vomiting of pregnancy (NVP), is a symptom of pregnancy that involves nausea or vomiting. Despite the name, nausea...

Common names of fish can refer to a single species; to an entire group of species, such as a genus or family; or to multiple unrelated species or groups...

Fish reproductive organs include testes and ovaries. In most species, gonads are paired organs of similar size, which can be partially or totally fused...

in that the males undergo a form of "pregnancy", brooding eggs deposited in a ventral pouch by a female. The giant sunfish is the heaviest bony fish in...

Juvenile fish Fish go through various life stages between fertilization and adulthood. The life of fish start as spawned eggs which hatch into immotile...

Oily fish are fish species with oil (fats) in soft tissues and in the coelomic cavity around the gut. Their fillets may contain up to 30% oil, although...

pose risks of mercury poisoning in pregnancy. Methylmercury, a worldwide contaminant of seafood and freshwater fish, is known to produce adverse nervous...

in fish is a health concern for people who eat them, especially for women who are or may become pregnant, nursing mothers, and young children. Fish and...

benefits on specific aspects of neurodevelopment. In addition, provision of fish oil during pregnancy may reduce an infant's sensitization to common food...

An electric fish is any fish that can generate electric fields, whether to sense things around them, for defence, or to stun prey. Most fish able to produce...

Fish farming or pisciculture involves commercial breeding of fish, most often for food, in fish tanks or artificial enclosures such as fish ponds. It...

Fish vary greatly in size. The whale shark and basking shark exceed all other fish by a considerable margin in weight and length. Fish are a paraphyletic...

Fish migration is mass relocation by fish from one area or body of water to another. Many types of fish migrate on a regular basis, on time scales ranging...

Fish gills are organs that allow fish to breathe underwater. Most fish exchange gases like oxygen and carbon dioxide using gills that are protected under...

Pelagic fish live in the pelagic zone of ocean or lake waters—being neither close to the bottom nor near the shore—in contrast with demersal fish that live...

marine ray-finned fish in the order Beloniformes, known colloquially as flying fish or flying cod. About 64 species are grouped in seven genera. While...

study of how the component parts of fish function together in the living fish. In practice, fish anatomy and fish physiology complement each other, the...

A fish scale is a small rigid plate that grows out of the skin of a fish. The skin of most jawed fishes is covered with these protective scales, which...

fluid of fish, mollusks, and certain other water-dwelling animals. They reproduce by spraying this fluid which contains the sperm, onto roe (fish eggs)....

methods in fish. The first method is by laying eggs and the second by live-bearing (producing their young alive). In the first method, the female fish lays...

Tropical fish are fish found in aquatic tropical environments around the world. Fishkeepers often keep tropical fish in freshwater and saltwater aquariums...