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Grunion
Grunion are two fish species of the genus ''Leuresthes'': the California grunion, ''L. tenuis'', and the Gulf grunion, ''L. sardinas''. They are sardine-sized teleost fishes of the New World silverside family Atherinopsidae, found only off the coast of California, USA, and Baja California, Mexico, where the species are found on both the Pacific Ocean and Gulf of California coasts. Many people enjoy catching grunion at events called "grunion runs." Grunion are known for their unusual mating ritual wherein at very high tides, the females come up on to sandy beaches where they dig their tails into the sand to lay their eggs. The male then wraps himself around the female to deposit his sperm, and for the next 10 days the grunion eggs remain hidden in the sand. At the next set of high tides, the eggs hatch and the young grunion are washed out to sea. A related species, the false grunion (''Colpichthys regis'') lives in the Gulf of California. Although the fish looks and acts simi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Leuresthes Tenuis
''Leuresthes tenuis'', the California grunion, is a species of ray-finned fish native to the Pacific coast of North America from Monterey Bay in California to Baja California. This species grows to in total length and is of minor importance to local fisheries, particularly during grunion runs in which the fish beach themselves to lay their eggs and are easily taken. Description The California grunion is a long, slender fish with a deeply forked tail. The dorsal fin is in two parts and has five to seven spines and nine to ten soft rays. The origin of the anal fin is immediately below the first dorsal fin, and this fin has twenty-one to twenty-four soft rays. The fish grows to a maximum length of . It is greenish above and silvery below. There is a blue patch on the cheek and a silvery-blue lateral stripe along the side. Distribution This species is endemic to the eastern Pacific Ocean. Its range extends from Monterey Bay southwards to Baja California, but it is uncommon north o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
California Grunion
''Leuresthes tenuis'', the California grunion, is a species of ray-finned fish native to the Pacific coast of North America from Monterey Bay in California to Baja California. This species grows to in total length and is of minor importance to local fisheries, particularly during grunion runs in which the fish beach themselves to lay their eggs and are easily taken. Description The California grunion is a long, slender fish with a deeply forked tail. The dorsal fin is in two parts and has five to seven spines and nine to ten soft rays. The origin of the anal fin is immediately below the first dorsal fin, and this fin has twenty-one to twenty-four soft rays. The fish grows to a maximum length of . It is greenish above and silvery below. There is a blue patch on the cheek and a silvery-blue lateral stripe along the side. Distribution This species is endemic to the eastern Pacific Ocean. Its range extends from Monterey Bay southwards to Baja California, but it is uncommon north o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Leuresthes Sardina
''Leuresthes sardina'', commonly known as Gulf grunion, is a species of grunion endemic to the Gulf of California. It is classified as Near Threatened by the IUCN The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natu .... References Atherinopsidae Fish described in 1889 {{Atheriniformes-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Colpichthys
''Colpichthys'' is a genus of Neotropical silverside endemic to the Gulf of California. Species The currently recognized species in this genus are: * ''Colpichthys hubbsi'' C. B. Crabtree, 1989 (delta silverside) * ''Colpichthys regis ''Colpichthys'' is a genus of Neotropical silverside endemic to the Gulf of California. Species The currently recognized species in this genus are: * ''Colpichthys hubbsi ''Colpichthys'' is a genus of Neotropical silverside endemic to the G ...'' ( O. P. Jenkins & Evermann, 1889) (false grunion) References Atherinopsidae {{Atheriniformes-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pleistocene
The Pleistocene ( , often referred to as the ''Ice age'') is the geological Epoch (geology), epoch that lasted from about 2,580,000 to 11,700 years ago, spanning the Earth's most recent period of repeated glaciations. Before a change was finally confirmed in 2009 by the International Union of Geological Sciences, the cutoff of the Pleistocene and the preceding Pliocene was regarded as being 1.806 million years Before Present (BP). Publications from earlier years may use either definition of the period. The end of the Pleistocene corresponds with the end of the last glacial period and also with the end of the Paleolithic age used in archaeology. The name is a combination of Ancient Greek grc, label=none, πλεῖστος, pleīstos, most and grc, label=none, καινός, kainós (latinized as ), 'new'. At the end of the preceding Pliocene, the previously isolated North and South American continents were joined by the Isthmus of Panama, causing Great American Interchang ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Osmeridae
Smelts are a family of small fish, the Osmeridae, found in the North Atlantic and North Pacific Oceans, as well as rivers, streams and lakes in Europe, North America and Northeast Asia. They are also known as freshwater smelts or typical smelts to distinguish them from the related Argentinidae (herring smelts or argentines), Bathylagidae (deep-sea smelts), and Retropinnidae (Australian and New Zealand smelts). Some smelt species are common in the North American Great Lakes, and in the lakes and seas of the northern part of Europe, where they run in large schools along the saltwater coastline during spring migration to their spawning streams. In some western parts of the United States, smelt populations have greatly declined in recent decades, leading to their protection under the Endangered Species Act. The Delta smelt (''Hypomesus transpacificus'') found in the Sacramento Delta of California, and the eulachon (''Thaleichthys pacificus'') found in the Northeast Pacific and adja ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
San Francisco
San Francisco (; Spanish language, Spanish for "Francis of Assisi, Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the List of California cities by population, fourth most populous in California and List of United States cities by population, 17th most populous in the United States, with 815,201 residents as of 2021. It covers a land area of , at the end of the San Francisco Peninsula, making it the second most densely populated large U.S. city after New York City, and the County statistics of the United States, fifth most densely populated U.S. county, behind only four of the five New York City boroughs. Among the 91 U.S. cities proper with over 250,000 residents, San Francisco was ranked first by per capita income (at $160,749) and sixth by aggregate income as of 2021. Colloquial nicknames for San Francisco include ''SF'', ''San Fran'', ''The '', ''Frisco'', and '' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Punta Abreojos
() NGIA (2004) is a fishing town in Mulegé Municipality, Baja California Sur, Mexico. It is located at the entrance to , a Biosphere Reserve which is frequently visited by pods of grey whales. Rains (2006) An isolated hill, high, rises a few miles behind the town, and is a conspicuous landmark for sailors. Several lighthouses are situated near the town. was named by Francisco de Bolaños, whose expedition reached the headland, but no further. Myers (2004), pp. 209, 226. ' means "open your eyes", and refers to the treacherous sailing conditions, with many rocks and reefs. Myers (2004), pp. 209, 378. is reached by a long road with few features of interest. Palmerlee (2007) It comprises 500 houses, some grocery stores, an airstrip, a fish packing plant, a hardware store, churches, schools and a medical clinic. The town's main economic output is in fishing for California spiny lobster and abalone. See also * Punta Abreojos Airstrip *History of the west coast of North America ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Point Conception
Point Conception (Chumash: ''Humqaq'') is a headland along the Gaviota Coast in southwestern Santa Barbara County, California. It is the point where the Santa Barbara Channel meets the Pacific Ocean, and as the corner between the mostly north-south trending portion of coast to the north and the east-west trending part of the coast near Santa Barbara, it makes a natural division between Southern and Central California, and is commonly used as such in regional weather forecasts. The Point Conception Lighthouse is at its tip. Toponymy Point Conception was named ''Cabo de Galera'' by Spanish maritime explorer Juan Rodriguez Cabrillo in 1542. In 1602, Sebastian Vizcaíno sailed past again, renaming the protruding headland ''Punta de la Limpia Concepción'' ("Point of the Immaculate Conception"). Vizcaíno's name stuck, and was later anglicized to today's version. Chumash beliefs The Chumash people of the region have traditionally known Point Conception as the "Western Gate", thro ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Topsmelt
The topsmelt silverside (''Atherinops affinis''), also known as the topsmelt, is a species of Neotropical silverside native to the eastern Pacific Ocean. Description The topsmelt silverside is a small, slim fish with a dorsally flattened body which can grow up to a total length of . It has two separate dorsal fins on its bright green back which contrasts with the silver to pale flanks and silvery underside. This species has a pointed head with small eyes and a rather rounded, blunt snout and an oblique mouth situated terminally with extendible jaws each equipped with a row of tiny forked teeth. Their gills are a golden-yellow. It has no lateral line but it has 63-65 scales where the lateral line would have been present. The first dorsal fine has 5-9 spines, the second dorsal fin has a single spine and 8-14 rays while the anal fin also has a single spine but has 19-25 rays and the pectoral fin has 13 rays. The juveniles are translucent and have three rows of pigmented scales on th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jacksmelt
''Atherinopsis californiensis'', the jack silverside or jacksmelt,Leo PinkasCalifornia Marine Fish Landings For 1972 and Designated Common Names of Certain Marine Organisms of California fish bulletin 161, Marine Resources Region, 1974 is a species of neotropical silverside native to the Pacific coast of North America from Oregon, United States to southern Baja California, Mexico. This species grows to in total length and is important commercially as a source of human food. It is the only known member of its genus. The adults occur in inshore areas, such as bays. They form schools. This species is a demersal spawners in inshore habitats, it is oviparous and the larvae are planktonic, living at the very surface of the water and feeding on phytoplankton. The eggs are attached to one another and to the substrate by adhesive filaments in the chorion. Other common names California smelt Smelt may refer to: * Smelting, chemical process * The common name of various fish: ** Smelt (f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
