|
Polypterus Endlicherii
''Polypterus endlicherii'', the saddled bichir, is one of the largest species of the ''Polypterus'' genus of freshwater fish. Named in honor of botanist Stephan Endlicher (1804–1849), who apparently discovered the species in the fish collection at the Naturhistorisches Museum (Vienna). Description The species reaches a maximum recorded length of about as an unsexed male. The maximum recorded weight was about . It can be identified by its flattened head with a prominent lower jaw that is larger than its upper jaw. Its dorsal side is of a green and yellow color. Its head and fins also have black spots on them. This fish is recorded to be piscivorous. Their diet also includes snails and crustaceans. Their reproduction cycle begins in the rainy season when the chemistry of the water and temperature change. This species is also known to be an egg scatterer. ''P. endlicherii'' can live in aquaria with proper maintenance. Habitat and distribution ''Polypterus endlicherii'' is rec ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Johann Jakob Heckel
Johann Jakob Heckel (23 January 1790 – 1 March 1857) was an Austrian taxidermist, zoology, zoologist, and ichthyology, ichthyologist from Mannheim in the Electoral Palatinate. He worked at the Royal natural history cabinet in Vienna which later became the Austrian Museum of Natural History. Life Heckel was born in Mannheim, the son of a namesake music teacher and Sophia née Reinhardt. He also had a namesake brother who studied music and was educated at home and lived in Vienna for a while. Another brother was Karl Ferdinand Heckel (1800-1870) who also studied music. In 1805 the family fled the French to Pressburg and then to Pest. Heckel visited the Georgicon agricultural college in 1806. His father bought a farm in Gumpoldskirchen and after the death of his father in December 1811, his mother took over the farm, assisted by his brother. He married Barbara Baumgartner in 1817 and in 1818 he was working at the Vienna Naturaliencabinet (which later became the Naturhistorisches Mu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cameroon
Cameroon, officially the Republic of Cameroon, is a country in Central Africa. It shares boundaries with Nigeria to the west and north, Chad to the northeast, the Central African Republic to the east, and Equatorial Guinea, Gabon, and the Republic of the Congo to the south. Its coastline lies on the Bight of Biafra, part of the Gulf of Guinea, and the Atlantic Ocean. Due to its strategic position at the crossroads between West Africa and Central Africa, it has been categorized as being in both camps. Cameroon's population of nearly 31 million people speak 250 native languages, in addition to the national tongues of English and French, or both. Early inhabitants of the territory included the Sao civilisation around Lake Chad and the Baka people (Cameroon and Gabon), Baka hunter-gatherers in the southeastern rainforest. Portuguese discoveries, Portuguese explorers reached the coast in the 15th century and named the area ''Rio dos Camarões'' (''Shrimp River''), which became ''C ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Polypteridae
Bichirs and the reedfish comprise Polypteridae , a family of archaic ray-finned fishes and the only family in the order Polypteriformes .Helfman GS, Collette BB, Facey DE, Bowen BW. 2009. The Diversity of Fishes. West Sussex, UK: Blackwell Publishing. 720 p. All the species occur in freshwater habitats in tropical Africa and the Nile River system, mainly swampy, shallow floodplains and estuaries. Cladistia, polypterids and their fossil relatives, are considered the sister group to all other extant ray-finned fishes (Actinopteri).Dai Suzuki, Matthew C. Brandley, Masayoshi Tokita: ''CORRECTION: The mitochondrial phylogeny of an ancient lineage of ray-finned fishes (Polypteridae) with implications for the evolution of body elongation, pelvic fin loss, and craniofacial morphology in Osteichthyes.'' BMC Evolutionary Biology. Bd. 10, Art.-Nr. 209, 2010, They likely diverged from Actinopteri at least 330 million years ago. A closely related group, the Scanilepiformes, are ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Freshwater Aquarium Fish Species
A vast number of freshwater species have successfully adapted to live in aquariums. This list gives some examples of the most common species found in home aquariums. Siluriformes, Catfish Characiformes, Characoids Cichlidae, Cichlids Cyprinidae, Cyprinids Loaches Live-bearing aquarium fish, Live-bearers Killifish Anabantoidei, Labyrinth fish Melanotaeniidae, Rainbowfish Gobies and Eleotridae, sleepers Other fish See also *List of aquarium fish by scientific name *List of brackish aquarium fish species *List of fish common names *List of freshwater aquarium amphibian species *List of freshwater aquarium invertebrate species *List of freshwater aquarium plant species *List of marine aquarium fish species *List of marine aquarium invertebrate species Sources * Alderton, D. (2005). ''Encyclopedia of Aquarium and Pond Fish''. Dorling Kindersley. * Jennings, G. (2006). ''500 Aquarium ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Central African Republic
The Central African Republic (CAR) is a landlocked country in Central Africa. It is bordered by Chad to Central African Republic–Chad border, the north, Sudan to Central African Republic–Sudan border, the northeast, South Sudan to Central African Republic–South Sudan border, the east, the Democratic Republic of the Congo to Central African Republic–Democratic Republic of the Congo border, the south, the Republic of the Congo to Central African Republic–Republic of the Congo border, the southwest, and Cameroon to Cameroon–Central African Republic border, the west. Bangui is the country's capital and largest city, bordering the Democratic Republic of the Congo. The Central African Republic covers a land area of about . As of 2024, it has a population of 5,357,744, consisting of about 80 ethnic groups, and is in the scene of a Central African Republic Civil War, civil war, which has been ongoing since 2012. Having been a Ubangi-Shari, French colony under the name Ubangi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Benin
Benin, officially the Republic of Benin, is a country in West Africa. It was formerly known as Dahomey. It is bordered by Togo to the west, Nigeria to the east, Burkina Faso to the north-west, and Niger to the north-east. The majority of its population lives on the southern coastline of the Bight of Benin, part of the Gulf of Guinea in the northernmost tropical portion of the Atlantic Ocean. The capital is Porto-Novo, and the seat of government is in Cotonou, the most populous city and economic capital. Benin covers an area of , and its population in was estimated to be approximately million. It is a tropical country with an economy heavily dependent on agriculture and is an exporter of palm oil and cotton. From the 17th to the 19th century, political entities in the area included the Kingdom of Dahomey, the city-state of Porto-Novo#History, Porto Novo, and other states to the north. This region was referred to as the Slave Coast of West Africa from the early 17th century due ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sudan
Sudan, officially the Republic of the Sudan, is a country in Northeast Africa. It borders the Central African Republic to the southwest, Chad to the west, Libya to the northwest, Egypt to the north, the Red Sea to the east, Eritrea and Ethiopia to the southeast, and South Sudan to the south. Sudan has a population of 50 million people as of 2024 and occupies 1,886,068 square kilometres (728,215 square miles), making it Africa's List of African countries by area, third-largest country by area and the third-largest by area in the Arab League. It was the largest country by area in Africa and the Arab League until the 2011 South Sudanese independence referendum, secession of South Sudan in 2011; since then both titles have been held by Algeria. Sudan's capital and most populous city is Khartoum. The area that is now Sudan witnessed the Khormusan ( 40000–16000 BC), Halfan culture ( 20500–17000 BC), Sebilian ( 13000–10000 BC), Qadan culture ( 15000–5000 BC), the war of Jebel ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mali
Mali, officially the Republic of Mali, is a landlocked country in West Africa. It is the List of African countries by area, eighth-largest country in Africa, with an area of over . The country is bordered to the north by Algeria, to the east by Niger, to the northwest by Mauritania, to the south by Burkina Faso and Ivory Coast, and to the west by Guinea and Senegal. The population of Mali is about 23.29 million, 47.19% of which are estimated to be under the age of 15 in 2024. Its Capital city, capital and largest city is Bamako. The country has 13 official languages, of which Bambara language, Bambara is the most commonly spoken. The sovereign state's northern borders reach deep into the middle of the Sahara, Sahara Desert. The country's southern part, where the majority of inhabitants live, is in the Sudanian savanna and has the Niger River, Niger and Senegal River, Senegal rivers running through it. The country's economy centres on agriculture and mining with its most promine ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ivory Coast
Ivory Coast, also known as Côte d'Ivoire and officially the Republic of Côte d'Ivoire, is a country on the southern coast of West Africa. Its capital city of Yamoussoukro is located in the centre of the country, while its largest List of cities in Ivory Coast, city and economic centre is the port city of Abidjan. It borders Guinea to the Guinea–Ivory Coast border, northwest, Liberia to the Ivory Coast–Liberia border, west, Mali to the Ivory Coast–Mali border, northwest, Burkina Faso to the Burkina Faso–Ivory Coast border, northeast, Ghana to the Ghana–Ivory Coast border, east, and the Atlantic Ocean's Gulf of Guinea to the south. With 31.5 million inhabitants in 2024, Ivory Coast is the List of African countries by population, third-most populous country in West Africa. Its official language is French language, French, and indigenous languages are also widely used, including Bété languages, Bété, Baoulé language, Baoulé, Dyula language, Dyula, Dan language, Da ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chad
Chad, officially the Republic of Chad, is a landlocked country at the crossroads of North Africa, North and Central Africa. It is bordered by Libya to Chad–Libya border, the north, Sudan to Chad–Sudan border, the east, the Central African Republic to Central African Republic–Chad border, the south, Cameroon to Cameroon–Chad border, the southwest, Nigeria to Chad–Nigeria border, the southwest (at Lake Chad), and Niger to Chad–Niger border, the west. Chad has a population of 19 million, of which 1.6 million live in the Capital city, capital and largest city of N'Djamena. With a total area of around , Chad is the fifth-largest country in Africa and the List of countries and dependencies by area, twentieth largest nation by area. Chad has several regions: the Sahara desert in the north, an arid zone in the centre known as the Sahel, and a more fertile Sudanian Savanna zone in the south. Lake Chad, after which the country is named, is the second-largest wetl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ghana
Ghana, officially the Republic of Ghana, is a country in West Africa. It is situated along the Gulf of Guinea and the Atlantic Ocean to the south, and shares borders with Côte d’Ivoire to the west, Burkina Faso to the north, and Togo to the east. Ghana covers an area of , spanning diverse ecologies, from coastal savannas to tropical rainforests. With nearly 35 million inhabitants, Ghana is the second-most populous country in West Africa. The capital and largest city is Accra; other significant cities include Tema, Kumasi, Sunyani, Ho, Cape Coast, Techiman, Tamale, and Sekondi-Takoradi. The earliest kingdoms to emerge in Ghana were Bonoman in the south and the Kingdom of Dagbon in the north, with Bonoman existing in the area during the 11th century. The Asante Empire and other Akan kingdoms in the south emerged over the centuries. Beginning in the 15th century, the Portuguese Empire, followed by other European powers, contested the area for trading r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Burkina Faso
Burkina Faso is a landlocked country in West Africa, bordered by Mali to the northwest, Niger to the northeast, Benin to the southeast, Togo and Ghana to the south, and Ivory Coast to the southwest. It covers an area of 274,223 km2 (105,878 sq mi). In 2024, the country had an estimated population of approximately 23,286,000. Previously called the Republic of Upper Volta (1958–1984), it was Geographical renaming, renamed Burkina Faso by then-List of heads of state of Burkina Faso, president Thomas Sankara. Its citizens are known as Burkinabes, and its Capital city, capital and largest city is Ouagadougou. The largest ethnic group in Burkina Faso is the Mossi people, who settled the area in the 11th and 13th centuries. They established powerful Mossi Kingdoms, kingdoms such as Ouagadougou, Tenkodogo, and Yatenga. In 1896, it was Colonization, colonized by the French colonial empire, French as part of French West Africa; in 1958, Upper Volta became a self-governing colony wi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
