Diapoma Cope, 1894
publication ID |
https://doi.org/10.1590/S0031-10492011000500001 |
persistent identifier |
https://treatment.plazi.org/id/78618792-FFDD-A554-6F23-FF3BED808E14 |
treatment provided by |
Felipe (2024-07-03 23:17:05, last updated 2024-08-05 14:11:47) |
scientific name |
Diapoma Cope, 1894 |
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Diapoma Cope, 1894 View in CoL
Diapoma Cope, 1894a:67 View in CoL (type-species: Diapoma speculiferum Cope1894a View in CoL : by monotypy, compared with Tetragonopterus View in CoL ); 1894b:92 (more complete generic description, states “allied to Hemigrammus View in CoL ” but no similar characters listed, also states “peculiarly formed operculum displays a tendency towards that of Corynopoma View in CoL ” Gill). – Eigenmann, 1914:34 (definition of genus, inclusion in Diapominae and in Glandulocaudinae ). – Eigenmann & Myers, 1929:467, 471 (key to glandulocaudine genera and description of genus, placed in Glandulocaudinae ). – Gregory & Conrad, 1938:321, 335 (placed in Glandulocaudinae following Eigenmann, Glandulocaudinae placed in Characinae (in part = American Characidae View in CoL ). – Fowler, 1951:412 (listed, placed in family Stevardiidae and subfamily Stevardiinae ). – Travassos, 1951:53 (listed, considers Diapoma View in CoL nomenclaturaly valid). – Nelson, 1964:59, 70, 143 (considers caudal pouch indicative of glandulocaudine relationship, discusses elongate opercle as an intermediate “condition” between that of male and female Corynopoma View in CoL ). – Fowler, 1975:332 (listed). – Géry, 1977:335, 359, 362 (considered an “allied form” of Pseudocorynopoma View in CoL but in key placed in couplet with Corynopoma View in CoL ). Weitzman & Fink, 1985:1, 17, 109, 113 [caudal morphology illustrated, considered Glandulocauda View in CoL , in part, of Géry 1964 (but not that of Eigenmann, 1911) a synonym of Diapoma View in CoL , questions relationships to other glandulocaudines]. – Weitzman et al., 1988:383 (listed, placed in subfamily Glandulocaudinae , tribe Diapomini ). – Weitzman & Menezes, 1998:184 (placed in Glandulocaudinae , tribe Diapomini , discuss preliminary relationships). – Weitzman, 2003:224 (placed in subfamily Glandulocaudinae , tribe Diapomini ) – Miran- de, 2009:8 (placed in Characidae View in CoL , subfamily Stevardiinae ). – Javonillo et al., 2010 (may not be a natural group).
Diagnosis: Diapoma is currently assigned to the tribe Diapomini together with Planaltina and Acrobrycon , the three genera differing from the remaining members of the Stevardiinae by (1) the presence of a caudal organ nearly equivalent in size and development in both males and females and (2) the presence of multiple series of scales (at least three or more) ventral to the lateral line series and extending posteriorly to form the dorsal border of the pouch opening. Diapoma can be distinguished from Planaltina by having the dorsal border of the pouch opening formed by 4 to 8 scales, one of them larger than the others ( Fig. 13 View FIGURE 13 ), a feature also present in Acrobrycon ( Weitzman & Menezes, 1998, figs. 14 and 15) instead of just the 1 or 2 large scales present along the same border in Planaltina ( Menezes et al., 2003, figs. 19, 28, and 33). From Acrobrycon , Diapoma can be easily distinguished by its interrupted lateral line ( Fig. 10 View FIGURE 10 ), with the short anterior segment having 7 to 22 pored lateral line scales whereas in all the species of Acrobrycon the lateral line is complete or nearly so with 51 to 68 pored scales.
COPE, E. D. 1894 a. On three genera of Characinidae. American Naturalist, 28 (325): 67.
EIGENMANN, C. H. 1911. New characins in the collection of the Carnegie Museum. Annals of the Carnegie Museum, 8 (1): 164 - 181.
EIGENMANN, C. H. 1914. Some results from studies of South American Fishes. Indiana University Bulletin, Indiana University Studies, 20: 19 - 43.
EIGENMANN, C. H. & MYERS, G. S. 1929. The American Characidae, 5. Memoirs of the Museum of Comparative Zoology, 43 (5): 429 - 558.
FOWLER, H. W. 1951. Os peixes de agua doce do Brasil (3 ª entrega). Arquivos de Zoologia do Estado de Sao Paulo, 6 (3): 405 - 628.
FOWLER, H. W. 1975. A catalog of world fishes. Quarterly Journal of Taiwan Museum, 23 (3 - 4): 277 - 401.
GERY, J. 1964. Glandulocauda terofali sp. nov., un nouveau poisson characoide de la Republique Argentine, avec un e note sur la glande caudal des Stevardiidi. Opuscula Zoologica, 78: 1 - 12.
GERY, J. 1977. Characoids of the world. T. F. H. Publication Inc., Neptune City, New Jersey, 672 p.
JAVONILLO, R.; MALABARBA, L. R.; WEITZMAN, S. H. & BURNS, J. R. 2010. Relationships among lineages of characid fishes (Teleostei: Ostariophysi: Characiformes), based on molecular sequence data. Molecular Phylogeny and Evolution, 54: 498 - 511.
MENEZES, N. A.; WEITZMAN, S. H. & BURNS, J. R. 2003. A systematic review of Planaltina (Teleostei: Characiformes: Characidae: Glandulocaudinae: Diapomini) with a description of two new species from the upper rio Parana, Brazil. Proceedings of the Biological Society of Washington, 116: 557 - 600.
NELSON, K. 1964. Behavior and morphology in the Glandulocaudine (Ostariophysi, Characidae). University of California Publications in Zoology, 75 (2): 59 - 152.
TRAVASSOS, H. 1951. Catalogo dos generos e subgeneros da subordem Characoidei (Actinopterygii - Cypriniformes). Dusenia, 2 (5): 341 - 360.
WEITZMAN, S. H. & FINK, S. V. 1985. Xenurobryconin phylogeny and putative pheromone pumps in glandulocaudine fishes (Teleostei: Characidae). Smithsonian Contributions to Zoology, (421): 1 - 121.
WEITZMAN, S. H.; MENEZES, N. A. & WEITZMAN, M. A. 1988. Phylogenetic biogeography of the glandulocaudin (Teleostei: Characiformes, Characidae) with comments on the distributions of other freshwater fishes. In: Heyer, W. R. & Vanzolini, P. E. (Eds.), Proceedings of a Workshop on Neotropical Distribution Patterns. Academia Brasileira de Ciencias, Rio de Janeiro, p. 379 - 429.
WEITZMAN, S. H. & MENEZES, N. A. 1998. Relationships of the tribes and genera of the Glandulocaudinae (Ostariophysi: Characiformes: Characidae) with a description of a new genus, Chrysobrycon. In: Malabarba, L. R.; Reis, R. E.; Vari, R. P.; de Lucena, Z. M. S. & Lucena, C. A. S. (Eds.), Phylogeny and Classification of Neotropical Fishes. EDIPUCRS, Porto Alegre, p. 171 - 192.
WEITZMAN, S. H. 2003. Subfamily Glandulocaudinae (Characins, tetras). In: Reis, R. E.; Kullander, S. O.; Ferraris, C. J. (Eds.), Check list of the freshwater fishes of South and Central America. EDIPUCRS, Porto Alegre, p. 222 - 230.
FIGURE 10: Diapoma terofali, MZUSP 28268, adult male above, SL 42.0 mm and adult female below, SL 38.0 mm.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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Diapoma Cope, 1894
Menezes, Naércio A. & Weitzman, Stanley H. 2011 |
Diapoma
WEITZMAN, S. H. 2003: 224 |
WEITZMAN, S. H. & MENEZES, N. A. 1998: 184 |
WEITZMAN, S. H. & MENEZES, N. A. & WEITZMAN, M. A. 1988: 383 |
WEITZMAN, S. H. & FINK, S. V. 1985: 1 |
GERY, J. 1977: 335 |
FOWLER, H. W. 1975: 332 |
NELSON, K. 1964: 59 |
FOWLER, H. W. 1951: 412 |
TRAVASSOS, H. 1951: 53 |
EIGENMANN, C. H. & MYERS, G. S. 1929: 467 |
EIGENMANN, C. H. 1914: 34 |
COPE, E. D. 1894: 67 |