1. 1) A. A. Bonetto and H. P. Castello: Pesca y piscicultura en aguas continentales de America Latina. Secretaria General de la OrganizaciOn de los Estados Américanos (OEA), Washington D. C., 1985, p. 118 (in Spanish).
2. 2) C. A. Strüssmann: Basic studies on seed production of pejerrey Odontesthes bonariensis. Ph. D. thesis, Tokyo University of Fisheries, Tokyo, 1989, p. 351.
3. 3) M. P. Schreibman, F. J. Leatherland, and B. A. McKeown: Functional morphologyof the teleost pituitary gland. Amer. Zool., 13, 719-742 (1973).
4. 4) I. Siegmund, S. Troncoso, C. E. Caorsi, and C. B. González: Identification and distribution of the cell types in the pituitary gland of Austromenidia laticlavia (Teleostei, Atherinidae). Gen. Comp. Endocrinol., 67, 348-355 (1987).
5. 5) J. Calvo and E. Morriconi: Citología adenohipofisaria del pejerrey (Basilichtys bonariensis). Ser. Inf. C. I. C. (Prov. de Buenos Aires, Argentina), 11, 1-10 (1974) (in Spanish).