WoRMS taxon details
Pseudocalanus minutus (Krøyer, 1845)
104517 (urn:lsid:marinespecies.org:taxname:104517)
accepted
Species
Calanus minutus Krøyer, 1845 · unaccepted
Pseudocalanus gracilis Sars G.O., 1903 · unaccepted
- Subspecies Pseudocalanus minutus gracilis Farran & Vervoort, 1951 accepted as Pseudocalanus minutus (Krøyer, 1845)
- Subspecies Pseudocalanus minutus elongatus (Boeck, 1865) represented as Pseudocalanus elongatus (Brady, 1865)
marine, brackish, fresh, terrestrial
(of Calanus minutus Krøyer, 1845) Krøyer, H. (1845). Crustaces. (Copepoda). <em>In: Bernard, A., Atlas de Zoologie, Paris.</em> 76pp. (look up in IMIS)
page(s): Fig 5; note: Only in plates, no text found [details]
page(s): Fig 5; note: Only in plates, no text found [details]
Distribution Saguenay Fjord, northern Gaspe waters, southern Gaspe waters (Baie des Chaleurs, Gaspe Bay to American, Orphan and Bradelle...
Distribution Saguenay Fjord, northern Gaspe waters, southern Gaspe waters (Baie des Chaleurs, Gaspe Bay to American, Orphan and Bradelle banks; eastern boundary: eastern Bradelle Valley), downstream part of middle St. Lawrence estuary, Magdalen Islands (from Eastern Bradelle valley to the west, as far as Cape North, including the Cape Breton Channel), lower St. Lawrence estuary, Prince Edward Island (from the northern tip of Miscou Island, N.B. to Cape Breton Island south of Cheticamp, including the Northumberland Strait and Georges Bay to the Canso Strait causeway), Upper Laurentian Channel (bathyal zone off Sept- Iles), middle North Shore (from Sept- Iles to Cape Whittle, including the Mingan Islands), Laurentian Channel (bathyal zone)(=Honguedo Strait), lower North Shore, Laurentian Channel (bathyal zone)(=Esquiman Channel), lower Laurentian Channel (bathyal zone as far as Cabot Strait: Cape North, N.S., St. Paul Island to Cape Ray, NL.), North slope of Anticosti Island; western slope of Newfoundland, including the southern part of the Strait of Belle Isle but excluding the upper 50m in the area southwest of Newfoundland [details]
Walter, T.C.; Boxshall, G. (2025). World of Copepods Database. Pseudocalanus minutus (Krøyer, 1845). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=104517 on 2025-04-27
Date
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Nomenclature
original description
(of Pseudocalanus minutus gracilis Farran & Vervoort, 1951) Farran, G.P. & W. Vervoort. (1951). Copepoda. Sub-Order: Calanoida. Family: Calanidae. Fiches d'Identification du Zooplancton, Conseil International pour l'Exploration de la Mer 32: 1-4, figs. [details] Available for editors 
[request]
original description (of Calanus minutus Krøyer, 1845) Krøyer, H. (1845). Crustaces. (Copepoda). <em>In: Bernard, A., Atlas de Zoologie, Paris.</em> 76pp. (look up in IMIS)
page(s): Fig 5; note: Only in plates, no text found [details]
original description (of Pseudocalanus gracilis Sars G.O., 1903) Sars, G.O. (1903). Copepoda Calanoida, Parts XIII & XIV, Parapontellidae, Acartiidae, supplement. <em>An Account of the Crustacea of Norway, with short descriptions and figures of all the species. Bergen Museum.</em> 4:145-171, pls. 97-102, suppl. pls. 1-6. (look up in IMIS) [details]
basis of record Boxshall, G. (2001). Copepoda (excl. Harpacticoida), <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 252-268 (look up in IMIS) [details]
[request]original description (of Calanus minutus Krøyer, 1845) Krøyer, H. (1845). Crustaces. (Copepoda). <em>In: Bernard, A., Atlas de Zoologie, Paris.</em> 76pp. (look up in IMIS)
page(s): Fig 5; note: Only in plates, no text found [details]
original description (of Pseudocalanus gracilis Sars G.O., 1903) Sars, G.O. (1903). Copepoda Calanoida, Parts XIII & XIV, Parapontellidae, Acartiidae, supplement. <em>An Account of the Crustacea of Norway, with short descriptions and figures of all the species. Bergen Museum.</em> 4:145-171, pls. 97-102, suppl. pls. 1-6. (look up in IMIS) [details]
basis of record Boxshall, G. (2001). Copepoda (excl. Harpacticoida), <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 252-268 (look up in IMIS) [details]
Ecology
ecology source
Brun, P., M.R. Payne & T. Kiørboe. (2017). A trait database for marine copepods. <em>Earth System Science Data.</em> 9(1):99-113., available online at https://doi.org/10.5194/essd-9-99-2017 [details] Available for editors [request]
[request]Other
context source (Deepsea)
Intergovernmental Oceanographic Commission (IOC) of UNESCO. The Ocean Biogeographic Information System (OBIS), available online at http://www.iobis.org/ [details]
context source (Bermuda) Wilson, C. B. (1936). Plankton of the Bermuda Oceanographic Expeditions IV. Notes on Copepoda . Zoologica Scientific Contributions of the New York Zoological Society , New York, 21(7): 89-93 [details] Available for editors [request]
additional source Brunel, P., L. Bosse & G. Lamarche. (1998). Catalogue of the marine invertebrates of the estuary and Gulf of St. Lawrence. <em>Canadian Special Publication of Fisheries and Aquatic Sciences, 126.</em> 405 pp. (look up in IMIS) [details] Available for editors [request]
additional source Carter, J.C.H. (1965). The ecology of the calanoid copepod Pseudocalanus minutus Kroyer in Tessiarsuk, a coastal meromictic lake of northern Labrador. Limnology and Oceanography 10:345-353, figs. 1-8. (vii-1965) [details] Available for editors [request]
additional source Corkett, C.J. & I.A. McLaren. (1969). Egg production and oil storage by the copepod Pseudocalanus in the laboratory. Journal of Experimental Marine Biology and Ecology 3(1):90-105, figs. 1-6, tab. 1. (i-1969) [details] Available for editors [request]
additional source Poulet, S.A. & J.P. Chanut. (1975). Nonselective feeding of Pseudocalanus minutus. Journal of the Fisheries Research Board of Canada 32(5): 706-713, figs. 1-3, tabs. 1-2. (v-1975). [details] Available for editors [request]
additional source Frost, B.W. (1989). A taxonomy of the marine calanoid copepod genus Pseudocalanus. Canadian Journal of Zoology 67(3):525-551. (French summary.) [details] Available for editors [request]
additional source Lock, A.R. (1968). A laboratory and field study of the role of temperature in vertical migrations of the copepod Pseudocalanus minutus. M.Sc. Thesis, Dalhousie University, Halifax, Nova Scotia, Canada. [details]
additional source McLaren, I.A., D.A. Walker & C.J. Corkett. (1968). Effects of salinity on mortality and development rate of eggs of the copepod Pseudocalanus minutus. Canadian Journal of Zoology 46:1067-1069, tab. 1. (xi-1968) [details] Available for editors [request]
additional source McLaren, I.A., E. Laberge, C.J. Corkett & J.M. Sévigny. (1989). Life cycles of four species of Pseudocalanus in Nova Scotia. Canadian Journal of Zoology 67(3):552-558. (French summary.) [details] Available for editors [request]
additional source Park, T. (1968). Calanoid Copepods from the Central North Pacific Ocean. Fishery Bulletin, United States National Marine Fisheries Service 66(3): 527-572, pls. 1-13. (III-1968). [details] Available for editors [request]
additional source Poulet, S.A. (1974). Seasonal grazing of Pseudocalanus minutus on particles. Marine Biology, Berlin 25(2):109-123, figs. 1-9, tab. 1. (30-v-1974) [details] Available for editors [request]
additional source Poulet, S.A. (1976). Feeding of Pseudocalanus minutus on living and non-living particles. <em>Marine Biology, Berlin.</em> 34(2):117-125. (13-ii-1976). [details] Available for editors [request]
additional source Sazhina, L.I. (1985). Naupliusy massovykh vidov pelagickeskikh kopepod Mirovogo okeana. [Nauplii of mass species pelagic copeopds of the world ocean.]. <em>Naukova Dumka, Kiev.</em> 238 pp. [details] Available for editors [request]
additional source Sévigny, J.M., I.A. McLaren & B.W. Frost. (1989). Discrimination among and variation within species of Pseudocalanus based on the GPI locus. Marine Biology, Berlin 102(3):321-327, figs. 1-2, tabs. 1-5. (ix.1989) [details] Available for editors [request]
additional source Tsuda, A. & T. Nemoto. (1987). The effect of food concentration on the gut clearance time of Pseudocalanus minutus Krøyer (Calanoida: Copepoda). <em>Journal of Experimental Marine Biology and Ecology.</em> 107(2):121-130. [details] Available for editors [request]
additional source Liu, J.Y. [Ruiyu] (ed.). (2008). Checklist of marine biota of China seas. <em>China Science Press.</em> 1267 pp. (look up in IMIS) [details] Available for editors [request]
additional source Lee, B.D. (1966). Distribution and abundance of pelagic copepods in the Drake Passage and off the coast of Argentina, with special reference to hydrology of these areas. Ph.D. Thesis, Texas A&M University, College Station, Texas, 1-250, pls. 1-56. [details] Available for editors [request]
additional source Integrated Taxonomic Information System (ITIS). , available online at http://www.itis.gov [details]
additional source ICES Zooplankton: Copepoda. sheet n° 32. [details]
additional source Wilson, C.B. (1932). The copepods of the Woods Hole region, Massachusetts. <em>Bulletin of the United States National Museum.</em> 158:1-635, figs. 1-316, pls. 1-41. [details] Available for editors [request]
additional source Furuhashi, K. (1975). Studies on the boreal water species of copepods found in the Japan Sea. Part 1. The path of Pseudocalanus minutus Kröyer (Copepoda) found in the heart of the Maizuru Bay from the boreal waters n the Japan SE\ea. <em>Maizuru Marine Observatory.</em> 51(1):35-39. [details] Available for editors [request]
additional source Lischka, S., L. Giménez, W. Hagen & B. Überschär. (2007). Seasonal changes in digestive enzyme (trypsin) activity of the copepods Pseudocalanus minutus (Calanoida) and Oithona similis (Cyclopoida) in the Arctic Kongsfjorden (Svalbard). <em>Polar Biology.</em> 30(10):1331-1341. [details] Available for editors [request]
additional source Yamada, Y. (2022). Geographical differences in abundance and body size of calanoid copepods Pseudocalanus newmani and P. minutus in the Sanriku coast, Japan, during spring. <em>Coastal Marine Science.</em> 45(1):1-10. [details] Available for editors [request]
additional source Fontaine, M. (1954). The planktonic copepods (Calanoida, Cyclopoida, Monstrilloida) of Ungava Bay, with special reference to the biology of Pseudocalanus minutus and Calanus finmarchicus. <em>M.Sc. Thesis, McGill University, Montréal, Québec, Canada.</em> 214 pp. [details] Available for editors [request]
additional source Cairns, A.A. (1965). The life cycle of Pseudocalanus minutus (Kroyer) (Copepoda, Calanoida), in Tanquary Fjord, Ellesmere Island. <em>M.Sc. Thesis, McGill University, Montréal, Québec, Canada.</em> 56 pp. [details] Available for editors [request]
additional source Astad, S.S. (2022). A spatial and temporal study of Pseudocalanus acuspes, P. minutus and P. moultoni in the Svalbard – Barents Sea region and their potential as environmental indicator species in a changing Arctic. <em>Master's Thesis, University Centre in Svalbard, University of Tromsø - UiT - The Arctic University of Norway, Tromsø, Norway.</em> 64 pp., available online at http:// https://hdl.handle.net/10037/27813 [details] Available for editors [request]
additional source Dvoretsky, V.G. & A.G. Dvoretsky. (2013). Morphometric differentiation of Pseudocalanus minutus populations in the Barents Sea. <em>Acta Zoologica.</em> 94(2):203-214., available online at https://doi.org/10.1111/j.1463-6395.2011.00543 [details] Available for editors [request]
context source (Bermuda) Wilson, C. B. (1936). Plankton of the Bermuda Oceanographic Expeditions IV. Notes on Copepoda . Zoologica Scientific Contributions of the New York Zoological Society , New York, 21(7): 89-93 [details] Available for editors
[request]additional source Brunel, P., L. Bosse & G. Lamarche. (1998). Catalogue of the marine invertebrates of the estuary and Gulf of St. Lawrence. <em>Canadian Special Publication of Fisheries and Aquatic Sciences, 126.</em> 405 pp. (look up in IMIS) [details] Available for editors
[request]additional source Carter, J.C.H. (1965). The ecology of the calanoid copepod Pseudocalanus minutus Kroyer in Tessiarsuk, a coastal meromictic lake of northern Labrador. Limnology and Oceanography 10:345-353, figs. 1-8. (vii-1965) [details] Available for editors
[request]additional source Corkett, C.J. & I.A. McLaren. (1969). Egg production and oil storage by the copepod Pseudocalanus in the laboratory. Journal of Experimental Marine Biology and Ecology 3(1):90-105, figs. 1-6, tab. 1. (i-1969) [details] Available for editors
[request]additional source Poulet, S.A. & J.P. Chanut. (1975). Nonselective feeding of Pseudocalanus minutus. Journal of the Fisheries Research Board of Canada 32(5): 706-713, figs. 1-3, tabs. 1-2. (v-1975). [details] Available for editors
[request]additional source Frost, B.W. (1989). A taxonomy of the marine calanoid copepod genus Pseudocalanus. Canadian Journal of Zoology 67(3):525-551. (French summary.) [details] Available for editors
[request]additional source Lock, A.R. (1968). A laboratory and field study of the role of temperature in vertical migrations of the copepod Pseudocalanus minutus. M.Sc. Thesis, Dalhousie University, Halifax, Nova Scotia, Canada. [details]
additional source McLaren, I.A., D.A. Walker & C.J. Corkett. (1968). Effects of salinity on mortality and development rate of eggs of the copepod Pseudocalanus minutus. Canadian Journal of Zoology 46:1067-1069, tab. 1. (xi-1968) [details] Available for editors
[request]additional source McLaren, I.A., E. Laberge, C.J. Corkett & J.M. Sévigny. (1989). Life cycles of four species of Pseudocalanus in Nova Scotia. Canadian Journal of Zoology 67(3):552-558. (French summary.) [details] Available for editors
[request]additional source Park, T. (1968). Calanoid Copepods from the Central North Pacific Ocean. Fishery Bulletin, United States National Marine Fisheries Service 66(3): 527-572, pls. 1-13. (III-1968). [details] Available for editors
[request]additional source Poulet, S.A. (1974). Seasonal grazing of Pseudocalanus minutus on particles. Marine Biology, Berlin 25(2):109-123, figs. 1-9, tab. 1. (30-v-1974) [details] Available for editors
[request]additional source Poulet, S.A. (1976). Feeding of Pseudocalanus minutus on living and non-living particles. <em>Marine Biology, Berlin.</em> 34(2):117-125. (13-ii-1976). [details] Available for editors
[request]additional source Sazhina, L.I. (1985). Naupliusy massovykh vidov pelagickeskikh kopepod Mirovogo okeana. [Nauplii of mass species pelagic copeopds of the world ocean.]. <em>Naukova Dumka, Kiev.</em> 238 pp. [details] Available for editors
[request]additional source Sévigny, J.M., I.A. McLaren & B.W. Frost. (1989). Discrimination among and variation within species of Pseudocalanus based on the GPI locus. Marine Biology, Berlin 102(3):321-327, figs. 1-2, tabs. 1-5. (ix.1989) [details] Available for editors
[request]additional source Tsuda, A. & T. Nemoto. (1987). The effect of food concentration on the gut clearance time of Pseudocalanus minutus Krøyer (Calanoida: Copepoda). <em>Journal of Experimental Marine Biology and Ecology.</em> 107(2):121-130. [details] Available for editors
[request]additional source Liu, J.Y. [Ruiyu] (ed.). (2008). Checklist of marine biota of China seas. <em>China Science Press.</em> 1267 pp. (look up in IMIS) [details] Available for editors
[request]additional source Lee, B.D. (1966). Distribution and abundance of pelagic copepods in the Drake Passage and off the coast of Argentina, with special reference to hydrology of these areas. Ph.D. Thesis, Texas A&M University, College Station, Texas, 1-250, pls. 1-56. [details] Available for editors
[request]additional source Integrated Taxonomic Information System (ITIS). , available online at http://www.itis.gov [details]
additional source ICES Zooplankton: Copepoda. sheet n° 32. [details]
additional source Wilson, C.B. (1932). The copepods of the Woods Hole region, Massachusetts. <em>Bulletin of the United States National Museum.</em> 158:1-635, figs. 1-316, pls. 1-41. [details] Available for editors
[request]additional source Furuhashi, K. (1975). Studies on the boreal water species of copepods found in the Japan Sea. Part 1. The path of Pseudocalanus minutus Kröyer (Copepoda) found in the heart of the Maizuru Bay from the boreal waters n the Japan SE\ea. <em>Maizuru Marine Observatory.</em> 51(1):35-39. [details] Available for editors
[request]additional source Lischka, S., L. Giménez, W. Hagen & B. Überschär. (2007). Seasonal changes in digestive enzyme (trypsin) activity of the copepods Pseudocalanus minutus (Calanoida) and Oithona similis (Cyclopoida) in the Arctic Kongsfjorden (Svalbard). <em>Polar Biology.</em> 30(10):1331-1341. [details] Available for editors
[request]additional source Yamada, Y. (2022). Geographical differences in abundance and body size of calanoid copepods Pseudocalanus newmani and P. minutus in the Sanriku coast, Japan, during spring. <em>Coastal Marine Science.</em> 45(1):1-10. [details] Available for editors
[request]additional source Fontaine, M. (1954). The planktonic copepods (Calanoida, Cyclopoida, Monstrilloida) of Ungava Bay, with special reference to the biology of Pseudocalanus minutus and Calanus finmarchicus. <em>M.Sc. Thesis, McGill University, Montréal, Québec, Canada.</em> 214 pp. [details] Available for editors
[request]additional source Cairns, A.A. (1965). The life cycle of Pseudocalanus minutus (Kroyer) (Copepoda, Calanoida), in Tanquary Fjord, Ellesmere Island. <em>M.Sc. Thesis, McGill University, Montréal, Québec, Canada.</em> 56 pp. [details] Available for editors
[request]additional source Astad, S.S. (2022). A spatial and temporal study of Pseudocalanus acuspes, P. minutus and P. moultoni in the Svalbard – Barents Sea region and their potential as environmental indicator species in a changing Arctic. <em>Master's Thesis, University Centre in Svalbard, University of Tromsø - UiT - The Arctic University of Norway, Tromsø, Norway.</em> 64 pp., available online at http:// https://hdl.handle.net/10037/27813 [details] Available for editors
[request]additional source Dvoretsky, V.G. & A.G. Dvoretsky. (2013). Morphometric differentiation of Pseudocalanus minutus populations in the Barents Sea. <em>Acta Zoologica.</em> 94(2):203-214., available online at https://doi.org/10.1111/j.1463-6395.2011.00543 [details] Available for editors
[request]
Present Present in aphia/obis/gbif/idigbio Inaccurate Introduced: alien Containing type locality
Unreviewed
Authority Kröyer, 1842 [details]Distribution Saguenay Fjord, northern Gaspe waters, southern Gaspe waters (Baie des Chaleurs, Gaspe Bay to American, Orphan and Bradelle banks; eastern boundary: eastern Bradelle Valley), downstream part of middle St. Lawrence estuary, Magdalen Islands (from Eastern Bradelle valley to the west, as far as Cape North, including the Cape Breton Channel), lower St. Lawrence estuary, Prince Edward Island (from the northern tip of Miscou Island, N.B. to Cape Breton Island south of Cheticamp, including the Northumberland Strait and Georges Bay to the Canso Strait causeway), Upper Laurentian Channel (bathyal zone off Sept- Iles), middle North Shore (from Sept- Iles to Cape Whittle, including the Mingan Islands), Laurentian Channel (bathyal zone)(=Honguedo Strait), lower North Shore, Laurentian Channel (bathyal zone)(=Esquiman Channel), lower Laurentian Channel (bathyal zone as far as Cabot Strait: Cape North, N.S., St. Paul Island to Cape Ray, NL.), North slope of Anticosti Island; western slope of Newfoundland, including the southern part of the Strait of Belle Isle but excluding the upper 50m in the area southwest of Newfoundland [details]
Habitat upper mesopelagic, and upper epipelagic of the Gulf and estuary [details]
Marine Planktonic Copepods (Banyuls/OOB/UPMC/CNRS) Note: Including taxonomic identification plates, remarks, geographic distribution, ecological information & reference list
To Barcode of Life (223 barcodes)
To Biodiversity Heritage Library (11 publications) (from synonym Pseudocalanus gracilis Sars G.O., 1903)
To Biodiversity Heritage Library (13 publications) (from synonym Calanus minutus Krøyer, 1845)
To Biodiversity Heritage Library (39 publications)
To European Nucleotide Archive, ENA (Pseudocalanus minutus)
To GenBank (310 nucleotides; 296 proteins)
To Global Biotic Interactions (GloBI)
To PESI
To USNM Invertebrate Zoology Arthropoda Collection (31 records)
To USNM Invertebrate Zoology Arthropoda Collection (9 records) (from synonym Pseudocalanus gracilis Sars G.O., 1903)
To ITIS
To Barcode of Life (223 barcodes)
To Biodiversity Heritage Library (11 publications) (from synonym Pseudocalanus gracilis Sars G.O., 1903)
To Biodiversity Heritage Library (13 publications) (from synonym Calanus minutus Krøyer, 1845)
To Biodiversity Heritage Library (39 publications)
To European Nucleotide Archive, ENA (Pseudocalanus minutus)
To GenBank (310 nucleotides; 296 proteins)
To Global Biotic Interactions (GloBI)
To PESI
To USNM Invertebrate Zoology Arthropoda Collection (31 records)
To USNM Invertebrate Zoology Arthropoda Collection (9 records) (from synonym Pseudocalanus gracilis Sars G.O., 1903)
To ITIS
From editor or global species database
Image from synonym
