WoRMS taxon details
Caligus trichiuri Krøyer, 1863
357662 (urn:lsid:marinespecies.org:taxname:357662)
accepted
Species
Caligus (Metacaligus) uruguayensis Thomsen, 1949 · unaccepted (generic transfer)
Caligus longicervicis Gnanamuthu, 1950 · unaccepted (synonym according to Ho & Lin, 2004)
Caligus uruguayensis Thomsen, 1949 · unaccepted (synonym)
Metacaligus trichiuri (Krøyer, 1863) · unaccepted > superseded combination
Metacaligus uruguayensis Thomsen, 1949 · unaccepted (synonym according to Hayes,...)
synonym according to Hayes, Justine & Boxshall, 2012
marine, brackish, fresh, terrestrial
Krøyer, H. (1863-64). Bidrag til Kundskab om Snyltekrebsene. <em>Naturhistorisk Tidsskrift Ser. III.</em> 2(1/2): 75-320, pls. 1-9 [1863]; 2(3): 321-426, pls. 10-18 [1864]. [details] 
Taxonomic remark Caligus trichiuri Krøyer, 1863
This species was originally described based on a male from Trichiurus lepturus Linnaeus,...
This species was originally described based on a male from Trichiurus lepturus Linnaeus,...
Taxonomic remark Caligus trichiuri Krøyer, 1863
This species was originally described based on a male from Trichiurus lepturus Linnaeus, 1758 [as Trichiurus haumala] collected in the Indian Ocean (Krøyer, 1863). The illustrations provided by Krøyer (1863) include figures of the male genital complex and abdomen, the antennule and lunule, the mouth tube and maxillules in situ, the maxilliped, the distal exopodal segment of the first swimming leg, and the tip of the fourth leg (1863: plate IV, figs 2a–f).
The precise form of the armature of the distal segment of the exopod of leg 1 is very distinctive and is shared with the species of Metacaligus Thomsen, 1949 (cf. Ho & Bashirullah, 1977). The relative lengths of the male genital somite, free abdominal somites and caudal rami of C. trichiuri correspond exactly with those of Metacaligus uruguayensis Thomsen, 1949. By comparison, the abdominal somites of Metacaligus latus Ho & Lin, 2002 are short, whereas those of M. unguidentatus (Rangnekar & Murti, 1950) are much more elongate. The male of Metacaligus rufus (Wilson, 1908) is unknown but this species has been recorded only from the marine catfish Bagre marinus (Mitchill, 1815) [as Felichthys marinus] on the Atlantic coast of the USA (Wilson, 1908).
We recognise Caligus trichiuri and Metacaligus uruguayensis to be the same species, a parasite primarily of the cutlassfish Trichiurus lepturus, although it has also been reported from Lobotes surinamensis (Bloch, 1790) (Ho & Lin, 2004). Caligus trichiuri is the oldest available name for this taxon, so Caligus (Metacaligus) uruguayensis becomes a junior subjective synonym. The valid name for this taxon is Metacaligus trichiuri (Krøyer, 1863) new combination, although we consider the validity of the genus Metacaligus to be doubtful and in need of reassessment. [details]
This species was originally described based on a male from Trichiurus lepturus Linnaeus, 1758 [as Trichiurus haumala] collected in the Indian Ocean (Krøyer, 1863). The illustrations provided by Krøyer (1863) include figures of the male genital complex and abdomen, the antennule and lunule, the mouth tube and maxillules in situ, the maxilliped, the distal exopodal segment of the first swimming leg, and the tip of the fourth leg (1863: plate IV, figs 2a–f).
The precise form of the armature of the distal segment of the exopod of leg 1 is very distinctive and is shared with the species of Metacaligus Thomsen, 1949 (cf. Ho & Bashirullah, 1977). The relative lengths of the male genital somite, free abdominal somites and caudal rami of C. trichiuri correspond exactly with those of Metacaligus uruguayensis Thomsen, 1949. By comparison, the abdominal somites of Metacaligus latus Ho & Lin, 2002 are short, whereas those of M. unguidentatus (Rangnekar & Murti, 1950) are much more elongate. The male of Metacaligus rufus (Wilson, 1908) is unknown but this species has been recorded only from the marine catfish Bagre marinus (Mitchill, 1815) [as Felichthys marinus] on the Atlantic coast of the USA (Wilson, 1908).
We recognise Caligus trichiuri and Metacaligus uruguayensis to be the same species, a parasite primarily of the cutlassfish Trichiurus lepturus, although it has also been reported from Lobotes surinamensis (Bloch, 1790) (Ho & Lin, 2004). Caligus trichiuri is the oldest available name for this taxon, so Caligus (Metacaligus) uruguayensis becomes a junior subjective synonym. The valid name for this taxon is Metacaligus trichiuri (Krøyer, 1863) new combination, although we consider the validity of the genus Metacaligus to be doubtful and in need of reassessment. [details]
Walter, T.C.; Boxshall, G. (2024). World of Copepods Database. Caligus trichiuri Krøyer, 1863. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=357662 on 2024-04-18
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original description
Krøyer, H. (1863-64). Bidrag til Kundskab om Snyltekrebsene. <em>Naturhistorisk Tidsskrift Ser. III.</em> 2(1/2): 75-320, pls. 1-9 [1863]; 2(3): 321-426, pls. 10-18 [1864]. [details]
original description (of Caligus longicervicis Gnanamuthu, 1950) Gnanamuthu, C.P. (1950). Three new copepod parasites of the ribbon fish from South India. Journal of Parasitology 36:113-119, figs. 1-46. (iv-1950) [details] Available for editors
[request]
original description (of Metacaligus uruguayensis Thomsen, 1949) Thomsen, R. (1949). Copépodos parásitos de los peces marinos del Uruguay. Comunicaciones Zoologicas del Museo de Historia Natural de Montevideo 3(54):1-41, pls. 1-14. (16-ix-1949) [details] Available for editors [request]
original description (of Caligus (Metacaligus) uruguayensis Thomsen, 1949) Thomsen, R. (1949). Copépodos parásitos de los peces marinos del Uruguay. Comunicaciones Zoologicas del Museo de Historia Natural de Montevideo 3(54):1-41, pls. 1-14. (16-ix-1949) [details] Available for editors [request]
basis of record Walter, T. Chad. The World of Copepods. International online database. , available online at http://www.marinespecies.org/copepoda [details]
additional source Hayes, P., J.L. Justine & G.A. Boxshall. (2012). The genus Caligus Müller, 1785 (Copepoda: Siphonostomatoida): two new species from reef associated fishes in New Caledonia, and some nomenclatural problems resolved. <em>Zootaxa.</em> 3534:21-39., available online at http://www.mapress.com/zootaxa/2012/f/z03534p039f.pdf [details] Available for editors [request]
original description (of Caligus longicervicis Gnanamuthu, 1950) Gnanamuthu, C.P. (1950). Three new copepod parasites of the ribbon fish from South India. Journal of Parasitology 36:113-119, figs. 1-46. (iv-1950) [details] Available for editors
[request] original description (of Metacaligus uruguayensis Thomsen, 1949) Thomsen, R. (1949). Copépodos parásitos de los peces marinos del Uruguay. Comunicaciones Zoologicas del Museo de Historia Natural de Montevideo 3(54):1-41, pls. 1-14. (16-ix-1949) [details] Available for editors
[request] original description (of Caligus (Metacaligus) uruguayensis Thomsen, 1949) Thomsen, R. (1949). Copépodos parásitos de los peces marinos del Uruguay. Comunicaciones Zoologicas del Museo de Historia Natural de Montevideo 3(54):1-41, pls. 1-14. (16-ix-1949) [details] Available for editors
[request] basis of record Walter, T. Chad. The World of Copepods. International online database. , available online at http://www.marinespecies.org/copepoda [details]
additional source Hayes, P., J.L. Justine & G.A. Boxshall. (2012). The genus Caligus Müller, 1785 (Copepoda: Siphonostomatoida): two new species from reef associated fishes in New Caledonia, and some nomenclatural problems resolved. <em>Zootaxa.</em> 3534:21-39., available online at http://www.mapress.com/zootaxa/2012/f/z03534p039f.pdf [details] Available for editors
[request] From editor or global species database
Taxonomic remark Caligus trichiuri Krøyer, 1863This species was originally described based on a male from Trichiurus lepturus Linnaeus, 1758 [as Trichiurus haumala] collected in the Indian Ocean (Krøyer, 1863). The illustrations provided by Krøyer (1863) include figures of the male genital complex and abdomen, the antennule and lunule, the mouth tube and maxillules in situ, the maxilliped, the distal exopodal segment of the first swimming leg, and the tip of the fourth leg (1863: plate IV, figs 2a–f).
The precise form of the armature of the distal segment of the exopod of leg 1 is very distinctive and is shared with the species of Metacaligus Thomsen, 1949 (cf. Ho & Bashirullah, 1977). The relative lengths of the male genital somite, free abdominal somites and caudal rami of C. trichiuri correspond exactly with those of Metacaligus uruguayensis Thomsen, 1949. By comparison, the abdominal somites of Metacaligus latus Ho & Lin, 2002 are short, whereas those of M. unguidentatus (Rangnekar & Murti, 1950) are much more elongate. The male of Metacaligus rufus (Wilson, 1908) is unknown but this species has been recorded only from the marine catfish Bagre marinus (Mitchill, 1815) [as Felichthys marinus] on the Atlantic coast of the USA (Wilson, 1908).
We recognise Caligus trichiuri and Metacaligus uruguayensis to be the same species, a parasite primarily of the cutlassfish Trichiurus lepturus, although it has also been reported from Lobotes surinamensis (Bloch, 1790) (Ho & Lin, 2004). Caligus trichiuri is the oldest available name for this taxon, so Caligus (Metacaligus) uruguayensis becomes a junior subjective synonym. The valid name for this taxon is Metacaligus trichiuri (Krøyer, 1863) new combination, although we consider the validity of the genus Metacaligus to be doubtful and in need of reassessment. [details]
To Barcode of Life (1 barcode) (from synonym Metacaligus uruguayensis Thomsen, 1949)
To Biodiversity Heritage Library (1 publication) (from synonym Metacaligus uruguayensis Thomsen, 1949)
To European Nucleotide Archive (ENA) (from synonym Metacaligus uruguayensis Thomsen, 1949)
To GenBank (2 nucleotides; 1 proteins) (from synonym Metacaligus uruguayensis Thomsen, 1949)
To USNM Invertebrate Zoology Arthropoda Collection (2 records) (from synonym Metacaligus uruguayensis Thomsen, 1949)
To Biodiversity Heritage Library (1 publication) (from synonym Metacaligus uruguayensis Thomsen, 1949)
To European Nucleotide Archive (ENA) (from synonym Metacaligus uruguayensis Thomsen, 1949)
To GenBank (2 nucleotides; 1 proteins) (from synonym Metacaligus uruguayensis Thomsen, 1949)
To USNM Invertebrate Zoology Arthropoda Collection (2 records) (from synonym Metacaligus uruguayensis Thomsen, 1949)
