Johannes Govertus de Man (2 May 1850 in

Middelburg Middelburg may refer to: Places and jurisdictions Europe * Middelburg, Zeeland, the capital city of the province of Zeeland, southwestern Netherlands ** Roman Catholic Diocese of Middelburg, a former Catholic diocese with its see in the Zeeland ...

– 9 January 1930 in Middelburg), was a Dutch

biologist A biologist is a scientist who conducts research in biology. Biologists are interested in studying life on Earth, whether it is an individual Cell (biology), cell, a multicellular organism, or a Community (ecology), community of Biological inter ...

. He was assistant curator at the (

Dutch Dutch or Nederlands commonly refers to: * Something of, from, or related to the Netherlands ** Dutch people as an ethnic group () ** Dutch nationality law, history and regulations of Dutch citizenship () ** Dutch language () * In specific terms, i ...

for ''national natural history museum'') in

Leiden Leiden ( ; ; in English language, English and Archaism, archaic Dutch language, Dutch also Leyden) is a List of cities in the Netherlands by province, city and List of municipalities of the Netherlands, municipality in the Provinces of the Nethe ...

, where he specialised in free-living

nematode The nematodes ( or ; ; ), roundworms or eelworms constitute the phylum Nematoda. Species in the phylum inhabit a broad range of environments. Most species are free-living, feeding on microorganisms, but many are parasitic. Parasitic worms (h ...

s and

decapod The Decapoda or decapods, from Ancient Greek δεκάς (''dekás''), meaning "ten", and πούς (''poús''), meaning "foot", is a large order of crustaceans within the class Malacostraca, and includes crabs, lobsters, crayfish, shrimp, and p ...

crustacean Crustaceans (from Latin meaning: "those with shells" or "crusted ones") are invertebrate animals that constitute one group of arthropods that are traditionally a part of the subphylum Crustacea (), a large, diverse group of mainly aquatic arthrop ...

s, although he also wrote papers on

flatworm Platyhelminthes (from the Greek language, Greek πλατύ, ''platy'', meaning "flat" and ἕλμινς (root: ἑλμινθ-), ''helminth-'', meaning "worm") is a Phylum (biology), phylum of relatively simple bilaterian, Segmentation (biology), ...

sipunculids The Sipuncula or Sipunculida (common names sipunculid worms or peanut worms) is a class containing about 162 species of marine annelid worms, that have secondarily lost their segmentation. Sipuncula was once considered a phylum of unsegmented ...

and, in his dissertation only,

vertebrate Vertebrates () are animals with a vertebral column (backbone or spine), and a cranium, or skull. The vertebral column surrounds and protects the spinal cord, while the cranium protects the brain. The vertebrates make up the subphylum Vertebra ...

s. His change away from vertebrates disappointed the director of the museum, and de Man left his job there after eleven years. For the rest of his life, de Man worked at his parents' house in Middelburg and later at a house near the shore at

Yerseke Yerseke (, ) is a village situated on the southern shore of the Oosterschelde (Eastern Scheldt) estuary in the Netherlands, Dutch province of Zeeland. A separate municipality until 1970, it today forms part of the municipality of Reimerswaal (munic ...

in the

Oosterschelde The Eastern Scheldt () is a former estuary in the province of Zeeland, Netherlands, between Schouwen-Duiveland and Tholen on the north and Noord-Beveland and Zuid-Beveland on the south. It also features the largest Oosterschelde National Pa ...

estuary, relying on his family's private income.

Taxa named after de Man

*'' Anachis demani'' De Jong & Coomans, 1988 *'' Anchistus demani'' Kemp, 1922 *'' Araeolaimus demani'' (Schuurmans-Stekhoven, 1950) Wieser, 1956 *'' Axonolaimus demani'' De Coninck & Stekhoven, 1933 *'' Caridina demani'' J. Roux, 1911 *'' Charybdis (Goniosoma) demani'' Leene, 1937 *'' Chromadorina demani'' Inglis, 1962 *'' Clibanarius demani'' Buitendijk, 1937 *'' Criconema demani'' Micoletzky, 1925 *'' Demania'' Laurie, 1906 *'' Demaniella'' Steiner, 1914 *'' Demanietta'' Bott, 1966 *'' Demanietta manii'' (Rathbun, 1904) *'' Dracograllus demani'' Allen & Noffsinger, 1978 *''Dromia (Cryptodromia) de Manii'' Alcock, 1899 (a synonym of '' Cryptodromia amboinensis'' De Man, 1888) *'' Eleutherolaimus demani'' (Rouville, 1903) *'' Engina demani'' De Jong & Coomans, 1988 *'' Etisus demani'' Odhner, 1925 *'' Exopalaemon mani'' (Sollaud, 1914) *'' Gonodactylellus demanii'' (Henderson, 1893) *'' Hemicycliophora demanii'' (Edward & Rai, 1971) *'' Labuanium demani'' (Bürger, 1893) *'' Manella'' Rathbun, 1906 *'' Metapenaeus demani'' (J. Roux, 1922) *'' Metoncholaimus demani'' (Zur Strassen, 1894) *'' Molgolaimus demani'' Jensen, 1978 *'' Neoliomera demani'' Forest & Guinot, 1962 *''Palaemon sundaicus De Mani'' Nobili, 1899 (a synonym of '' Macrobrachium equidens'' (Dana, 1852)) *''Panulirus demani'' Borradaile, 1899 (a synonym of '' P. versicolor'' (Latreille, 1804)) *'' Percnon demani'' Ward, 1934 *'' Periclimenes demani'' Kemp, 1915 *'' Petrarctus demani'' (Holthuis, 1963) *'' Phascolosoma (Satonus) demanni'' (Sluiter, 1891) *'' Pontophilus demani'' Chace, 1984 *'' Processa demani'' Hayashi, 1975 *'' Pseudocollodes demani'' Balss, 1929 *'' Rhabdodemania'' Baylis & Daubney, 1926 *'' Richtersia demani'' Stekhoven, 1935 *'' Sabatieria demani'' Bresslau & Stekhoven ''in'' Stekoven, 1935 *'' Scyllarus demani'' Holthuis, 1946 *'' Synalpheus demani'' Borradaile, 1899 *''Thalamita de Mani'' Nobili, 1905 (a synonym of '' T. invicta'' Thallwitz, 1891) *'' Tricoma demanema'', '' Chromadorita demaniana'' Filipjev, 1922 *'' Uca demani'' Ortmann, 1897 *''Uca manii'' Rathbun, 1909 (a synonym of '' U. forcipata'' (Adams & White, 1848)) *''Urocaris de Mani'' Balss, 1916 (a synonym of '' Periclimenes scriptus'' (Risso, 1822)) *''

Vir Vir or VIR may refer to: Places * Vir (island), an island on the Croatian coast of the Adriatic Sea * Vir (municipality), the settlement on the Croatian island * Vir, Posušje, a village in Bosnia and Herzegovina * Vír, a municipality and village ...

'' Holthuis, 1952 (Latin ' = man) *''Xantho demani'' Odhner, 1925 (a synonym of '' Lachnopodus subacutus'' (Stimpson, 1858)) *'' Zozymodea demani'' (Odhner, 1925)

Taxa named by de Man

De Man described many new taxa in his lifetime, mostly for

s and

s. His crustacean taxa include 30 genera and 523 new species, while his nematode taxa comprise 8 new families, 61 new genera and 239 new species. Taxa described by de Man include: *'' Alope orientalis'' De Man, 1906 *'' Alpheus rapacida'' De Man, 1908 *'' Caridina gracilirostris'' De Man, 1892 *'' Caridina serratirostris'' De Man, 1892 *'' Cuapetes amymone'' De Man, 1902 *'' Eiconaxius sibogae'' De Man, 1925 *'' Geosesarma'' De Man, 1892 *'' Laomenes amboinensis'' (De Man, 1888) *''

Lysmata amboinensis ''Lysmata amboinensis'' is an omnivore, omnivorous Caridea, shrimp species known by several common names including the Pacific cleaner shrimp. It is considered a cleaner shrimp as eating parasites and dead tissue from fish makes up a large part o ...

'' De Man, 1888 *''

Macrobrachium rosenbergii ''Macrobrachium rosenbergii'', also known as the giant river prawn or giant freshwater prawn, is a commercially important species of Palaemonidae, palaemonid freshwater prawn. It is found throughout the tropical and subtropical areas of the I ...

'' (De Man, 1879) *'' Neosarmatium inerme'' De Man, 1887 *'' Neosarmatium meinerti'' De Man, 1887 *'' Palinurellus wieneckii'' (De Man, 1881) *'' Perisesarma'' De Man, 1895 *'' Sesarma eulimene'' De Man, 1895 *'' Thor amboinensis'' (De Man, 1888)

References

{{DEFAULTSORT:Man, Johannes Govertus De Dutch biologists Dutch carcinologists 1850 births 1930 deaths People from Middelburg, Zeeland

Taxa named after de Man

Taxa named by de Man

Further reading

References