Dictionary of ichthyology. 2009.
winter race — semi anadromous (q.v.) fish that move into rivers in autumn as overwintering there is less stressful and energy consuming for a freshwater fish. They often spawn earlier in spring and further upstream than non anadromous or sedentary stocks. See… … Dictionary of ichthyology
Fauna of Azerbaijan — or Animal Kingdom of Azerbaijan refers to the diversity of various types of animals, which inhabit and populate a defined ground or water area in Azerbaijan.The first reports on the richness and diversity of animal life in Azerbaijan can be found … Wikipedia
Wildlife of Azerbaijan — consists of its flora and fauna and their natural habitats.The symbol of Fauna in Azerbaijan is the Karabakh horse (Azeri: Qarabağ At) which is a mountain steppe racing and riding horse which can only be found in Azerbaijan. It is one of the… … Wikipedia
Mattawoman Creek — is a 30.0 mile long (48.3 km)[1] coastal plain tributary to the tidal Potomac River with a mouth at Indian Head, Maryland, 20 miles (32 km) downstream of Washington, D.C. It comprises a 23 mile (37 km) river flowing through Prince… … Wikipedia
Hickory Shad — ( Alosa mediocris ) is migratory clupeid native to the Atlantic Coast of the eastern United States.Distribution, habitat, and life history Hickory shad range from Florida to Maine, with largest populations occurring in Chesapeake Bay and coastal… … Wikipedia
Merced River — Coordinates: 37°20′57″N 120°58′32″W / 37.34917°N 120.97556°W / 37.34917; 120.97556 … Wikipedia
American shad — Watercolor of an American shad by Sherman F. Denton, 1904. The swelling between the anal fin and ventral fin identifies this as a pregnant female. Scientific classification Kingdom … Wikipedia
Fisheries glossary — This is a glossary of terms used in fisheries, fisheries management and fisheries science. A * Abundance is a measure of how many fish are in a population or a fishing ground. See relative abundance and absolute abundance.* Acoustic survey a… … Wikipedia
Spawn (biology) — The spawn (eggs) of a clownfish. The black spots are the eyes developing. Spawn refers to the eggs and sperm released or deposited, usually into water, by aquatic animals. As a verb, spawn refers to the process of releasing the eggs and sperm,… … Wikipedia
arctic — arctically, adv. /ahrk tik/ or, esp. for 7, /ahr tik/, adj. 1. (often cap.) of, pertaining to, or located at or near the North Pole: the arctic region. 2. coming from the North Pole or the arctic region: an arctic wind. 3. characteristic of the… … Universalium
