Search results
Results from the WOW.Com Content Network
Fish reproduction. A pair of bettas spawning under a bubble nest. Fish reproductive organs include testes and ovaries. In most species, gonads are paired organs of similar size, which can be partially or totally fused. [ 1 ] There may also be a range of secondary organs that increase reproductive fitness.
Pregnancy in fish. Appearance. A pregnant Southern platyfish. Pregnancy has been traditionally defined as the period of time eggs are incubated in the body after the egg-sperm union. [ 1 ] Although the term often refers to placental mammals, it has also been used in the titles of many international, peer-reviewed, scientific articles on fish, e ...
The types of fish to eat are categorized based on the mercury levels found in fish and the risk to human health. Mercury regulation in the United States limit the maximum concentrations of mercury (Hg) that is permitted in air, water, soil, food and drugs. The regulations are promulgated by agencies such as the Environmental Protection Agency ...
Generally shallow-water fish, tilefish are usually found at depths of 50–200 m in both temperate and tropical waters of the Atlantic, Pacific, and Indian Oceans. All species seek shelter in self-made burrows, caves at the bases of reefs, or piles of rock, often in canyons or at the edges of steep slopes.
For other uses, see Mackerel (disambiguation). Mackerel is a common name applied to a number of different species of pelagic fish, mostly from the family Scombridae. They are found in both temperate and tropical seas, mostly living along the coast or offshore in the oceanic environment.
Light tuna. Tuna is one of the most popular canned fish around. It's a convenient source of lean protein, versatile and cheap. According to the USDA, one can of the average light tuna packed in ...
Cobia. The cobia (Rachycentron canadum) (/ ˈkoʊbiə /, KOH-bee-ə) is a species of carangiform marine fish, the only extant representative of the genus Rachycentron and the family Rachycentridae. Its other common names include black kingfish, black salmon, ling, lemonfish, crabeater, prodigal son, codfish, and black bonito.
Description. Merluccius merluccius. Merluccius merluccius is a slim-bodied fish with a large head and large jaws in which are set a number of large curved teeth, [2] the lower jaw having two rows of teeth and the upper jaw one row. [3] The inside of the mouth and the branchial cavity are black. [4] The body is at its widest just behind its head ...