Name: Nine Pointed Starfish in Lucena PB Brazil | Videos | Gan Jing World
Uploaded: 2018-06-30T04:00:00.000Z
Duration: 56 s
Description: Starfish or sea stars are star-shaped echinoderms belonging to the class Asteroidea. Common usage frequently finds these names being also applied to ophiuroids,... | Videos | Gan Jing World

Frederico Custodio

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Starfish or sea stars are star-shaped echinoderms belonging to the class Asteroidea. Common usage frequently finds these names being also applied to ophiuroids, which are correctly referred to as brittle stars or "basket stars". About 1,500 species of starfish occur on the seabed in all the world's oceans, from the tropics to frigid polar waters. They are found from the intertidal zone down to abyssal depths, 6,000 m (20,000 ft) below the surface.
Starfish are marine invertebrates. They typically have a central disc and five arms, though some species have a larger number of arms. The aboral or upper surface may be smooth, granular or spiny, and is covered with overlapping plates. Many species are brightly coloured in various shades of red or orange, while others are blue, grey or brown. Starfish have tube feet operated by a hydraulic system and a mouth at the centre of the oral or lower surface. They are opportunistic feeders and are mostly predators on benthic invertebrates. Several species have specialized feeding behaviours including eversion of their stomachs and suspension feeding. They have complex life cycles and can reproduce both sexually and asexually. Most can regenerate damaged parts or lost arms and they can shed arms as a means of defence. The Asteroidea occupy several significant ecological roles. Starfish, such as the ochre sea star (Pisaster ochraceus) and the reef sea star (Stichaster australis), have become widely known as examples of the keystone species concept in ecology. The tropical crown-of-thorns starfish (Acanthaster planci) is a voracious predator of coral throughout the Indo-Pacific region, and the northern Pacific sea star is considered to be one of the world's 100 worst invasive species.
The fossil record for starfish is ancient, dating back to the Ordovician around 450 million years ago, but it is rather sparse, as starfish tend to disintegrate after death. Only the ossicles and spines of the animal are likely to be preserved, making remains hard to locate. With their appealing symmetrical shape, starfish have played a part in literature, legend, design and popular culture. They are sometimes collected as curios, used in design or as logos, and in some cultures, despite possible toxicity, they are eaten.
Lucena é um município brasileiro situado na Região Metropolitana de João Pessoa, no estado da Paraíba. Sua população em 2012 foi estimada pelo IBGE (Instituto Brasileiro de Geografia e Estatística) em 12.029 habitantes, distribuídos em 89 km² de área.
No município fica um dos importantes patrimônios históricos do estado: a Igreja da Guia.
A história da cidade começa com a chegada dos portugueses, os quais, por volta de 1596, passavam em Lucena em direção à Baía da Traição. Nessa época, eles ainda tinham receio de ocupar grandes faixas das terras paraibanas, construir residências e arriscar-se na administração de uma propriedade, muito disso em virtude das tribos locais, ainda em estado silvícola. Entretanto, o Governo da então Capitania da Paraíba, liderado pelo capitão-mor Feliciano Coelho de Carvalho, concedeu nessa época sesmarias na bacia do Rio Miriri aos frades beneditinos. A partir dessa ação tudo começou.
A região foi elevada à categoria de município em 22 de dezembro de 1961, desmembrado-se de Santa Rita. Seu topônimo originou-se do nome de um antigo morador, cuja ocupação era transportar passageiros entre as duas margens do Rio Paraíba.

Лусена (порт. Lucena) — муниципалитет в Бразилии, входит в штат Параиба. Составная часть мезорегиона Зона-да-Мата-Параибана. Входит в экономико-статистический микрорегион Жуан-Песоа. Население составляет 12 965 человек на 2016 год. Занимает площадь 88 549 км². Плотность населения — 131 88 чел./км².

Lucena is a municipality in the state of Paraíba in the Northeast Region of Brazil.
Lucena. Municipality. Flag of Lucena Official seal of Lucena. Lucena is located in Brazil.  Coordinates: 6°54′0″S 34°52′8″W. Country Brazil. State Paraíba. Macroregion Mata Paraibana. Microregion João Pessoa. Founded 1961.
Government •   Mayor    Marcelo Sales de Mendonça
 www.lucena.pb.gov.br 
Area • Total 89.202 km2 (34.441 sq mi) Elevation 3 m (10 ft)
Population (2012) • Total 12,029 • Density 130/km2 (350/sq mi)
Demonym(s) Lucenenses
Time zone UTC -3 Website 

Lucena är en kommun i Brasilien. Den ligger i delstaten Paraíba, i den östra delen av landet, 1 700 km nordost om huvudstaden Brasília. Antalet invånare är 11 730.
I övrigt finns följande i Lucena: Ponta de Lucena (en udde). Omgivningarna runt Lucena är en mosaik av jordbruksmark och naturlig växtlighet. Savannklimat råder i trakten. Årsmedeltemperaturen i trakten är 24 °C. Den varmaste månaden är januari, då medeltemperaturen är 26 °C, och den kallaste är juli, med 22 °C. Genomsnittlig årsnederbörd är 1 677 millimeter. Den regnigaste månaden är juni, med i genomsnitt 298 mm nederbörd, och den torraste är november, med 32 mm nederbörd.