Sexual dimorphism in Apteronotus bonapartii (Gymnotiformes: Apteronotidae)

Copeia

Volumn , Issue 4, 2006, Pages 826-833

  Hilton, Eric J ^a,c   Fernandes, Cristina Cox ^b  

^a FIELD MUSEUM OF NATURAL HISTORY   (United States)

^b UNIVERSITY OF MASSACHUSETTS   (United States)

^c INSTITUTO NACIONAL DE PESQUISAS DA AMAZÔNIA   (Brazil)

Author keywords

[No Author keywords available]

Indexed keywords

DISCRIMINANT ANALYSIS; FISH; MORPHOLOGY; MORPHOMETRY; SEX DETERMINATION; SEXUAL DIMORPHISM; SKULL;

APTERONOTIDAE; APTERONOTUS; GYMNOTIFORMES;

EID: 33845937922     PISSN: 00458511     EISSN: None     Source Type: Journal    
DOI: 10.1643/0045-8511(2006)6[826:SDIABG]2.0.CO;2     Document Type: Article

References (27)

1. ALBERT, J. S. 2001. Species diversity and phylogenetic systematics of American knifefishes (Gymnotiformes, Teleostei). Misc. Publ. Mus. Zool., Univ. Michigan 190:1-127.
2. -. 2003. Family Apteronotidae (Ghost knifefishes), p. 504-509. In: Check List of Freshwater Fishes of South and Central America. S. Kullander, R. Reis, and C. Ferraris (eds.). EDIPUCRS, Porto Alegre, Brazil.
3. -, AND R. CAMPOS-DA-PAZ. 1998. Phylogenetic systematics of Gymnotiformes with diagnoses of 58 clades: a review of available data, p. 419-446. In. Phylogeny and Classification of Neotropical Fishes. L. R. Malabara, R. E. Reis, R. P. Van, Z. M. Lucena, and C. A. S. Lucena (eds.). EDIPUCRS, Porto Alegre, Brazil.
4. -, AND W. G. R. CRAMPTON. 2005. Diversity and phytogeny of Neotropical electric fishes (Gymnotiformes), p. 360-409. In: Electroreception. T. H. Bullock, C. D. Hopkins, A. N. Popper, and R. R. Fay (eds.). Springer, New York.
5. CAMPOS-DA-PAZ, R. 2000. On Sternarcherhynchus Castelnau: a South American electric knifefish, with descriptions of two new species (Ostariophysi: Gymnotiformes: Apteronotidae). Copeia 2002:521-535.
6. COX FERNANDES, C. 1998. Sex-related morphological variation in two species of apteronotid fishes (Gymnotiformes) from the Amazon River Basin. Ibid. 1998:730-735.
7. -. 1999. Detrended canonical correspondence analysis (DCCA) of electric fish assemblages in the Amazon, p. 21-39. In: Biology of Tropical Fishes. A. Val and V. M. F. Almeida-Val (eds.). INPA, Manaus, Brazil.
8. -, J. G. LUNDBERG, AND C. RIGINOS. 2002. Largest of all electric-fish snouts: hypermorphic facial growth in male Apteronotus hasemani and the identity of Apteronotus anas (Gymnotiformes: Apteronotidae). Copeia 2002:52-61.
9. -, J. PODOS, AND J. G. LUNDBERG. 2004. Amazonian ecology: tributaries enhance the diversity of electric fishes. Science 305:1960-1962.
10. DINGERKUS, G., AND L. D. UHLER. 1977. Enzyme clearing of alcian blue stained whole small vertebrates for demonstration of cartilage. J. Stain Technol. 52:229-232.
11. DUNLAP, K. D., L. M. MCANELL, AND H. H. ZAKON. 1997. Estrogen modifies an electrocommunication signal by altering the electrocyte sodium current in an electric fish, Sternopygus. J. Neuroscience 17: 2869-2875.
12. ELLIS, M. M. 1913. The gymnotid eels of tropical America. Mem. Carnegie Mus. 6:109-204.
13. FERNÁNDEZ-YÉPEZ, A. 1968. Contribution al conocimientode los peces Gymnotiformes. Evencias, 20.
14. FOWLER, H. W. 1943. A collection of fresh-water fishes from Colombia, obtained chiefly by Brother Nicéforo Maria. Proc. Acad. Nat. Sci. Phila. 95: 223-266.
15. GREGORY, W. K. 1933. Fish skulls: a study of the evolution of natural mechanisms. Trans. Amer. Phil. Soc. 23:75-481.
16. HAGEDORN, M., AND C. CARR. 1985. Single electrocytes produce a sexually dimorphic signal in South American electric fish, Hypopomus occidentalis (Gymnotiformes, Hypopomidae). J. Comp. Physiol. A 156:511-523.
17. -, AND W. HEILIGENBERG. 1985. Court and spark: electric signals in the courtship and mating of gymnotoid fish. Anim. Behav. 33:254-265.
18. HANKEN, J., AND R. WASSERSUG. 1981. The visible skeleton. Funct. Photo. 1981:22-26, 44.
19. HOPKINS, C. D., N. C. CONFORT, J. BASTIAN, AND A. H. BASS. 1990. Functional analysis of sexual dimorphism in an electric fish, Hypopomus pinnicaudatus, Order Gymnotiformes. Brain Behav. Evol. 35: 350-367.
20. LEVITON, A. E., R. H. GIBBS, JR., E. HEAL, AND C. R. DAWSON. 1985. Standards in herpetology and ichthyology: part 1. Standard symbolic codes for institutional resource collections in herpetology and ichthyology. Copeia 1985:802-832.
21. MAGO-LECCIA, F. 1994. Electric fishes of the continental waters of America. Fundacion para el desarrollo de las Ciencias Fisicas, Matematicas y Naturales, Caracas, Venezuela.
22. MYERS, G. S. 1936. A new genus of gymnotid eels from the Peruvian Amazon. Proc. Biol. Soc. Wash. 49:115-116.
23. PY-DANIEL, L. R., AND C. COX FERNANDES. 2005. Dimorphismo sexual em Siluriformes e Gymnotiformes (Ostariophysi) da Amazônia. Acta Amazônica 35:97-110.
24. SANTANA, C. D. DE. 2003. Apteronotus caudimaculosus n. sp. (Gymnotiformes: Apteronotidae), a sexually dimorphic black ghost knifefish from the Pantanal, Western Brazil, with a note on the monophyly of the A. albifrons species complex. Zootaxa 252:1-11.
25. SOKAL, R. R., AND F. J. ROHLF. 1995. Biometry: The Principles and Practice of Statistics in Biological Research. Third edition. W. H. Freeman and Co., New York.
26. STEINDACHNER, F. 1881. Beitrage zur Kenntniss der Flussefische Sudamerikas. III. Denkschr. Akad. Wiss. Wien. 44:103-146 (1-46).
27. TABACHNICK, B. G., AND L. S. FIDELL. 1989. Using Multivariate Statistics. Harper Collins, New York.