NOTE Rom^n-Rodriguez and Hammann: Age and growth of Totoaba macdonaldi 
627 
Table 3 
Comparison of von Bertalanffy growth parameters for dif- 
ferent studies of totoaba. 
Author 
K 
*0 
Max. age 
(yr) 
Present observed 
data 
0.3162 
1,355 
-0.0499 
24 
Present back- 
calculated data 
0.3103 
1,352 
-0.3679 
24 
Nakashima (1916) 
— 
1,980 
— 
9 
Berdegue (1955) 
— 
1,330 
— 
15 
Flanagan (1973) 
0.16 
1,467 
— 
20 
Molina et al. 1 
0.271 
1,373 
-2.264 
19 
1 See Footnote 1 in the text. 
gacion Pesquera en Guaymas for assistance in the 
field with sampling juveniles. The Fish and Wildlife 
Foundation is acknowledged for support of field work 
during 1989. Sampling was carried out under Fish- 
eries Research Permit No. 1229, Secretary of Fish- 
eries, Mexico. We acknowledge the valuable sugges- 
tions of two anonymous reviewers. 
Literature cited 
Almeida-Paz, M., G. Morales-Abril, and 
M. J. Roman Rodriguez. 
1990 . Aspectos sobre aclimatacion y crecimiento de juve- 
niles de totoaba, Totoaba macdonaldi , (Gilbert) (Pisces: 
Sciaenidae ) en condiciones de cautiverio. Ecologica ( Mexico ) 
2( 1 ):7— 12. [In Spanish.] 
Alvarez-Borrego, S., L. A. Galindo-Bect, and 
B. P. Flores-Baez. 
1973 . Hidrologia. In Estudio Quimico sobre la contami- 
nation por insecticidas en la desembocadura del Rio Colo- 
rado. Reporte final de la segunda etapa, a la direction de 
acuacultura de la secretaria de recursos hidraulicos, p. 5- 
177. Univ. Auton. Baja California, Ciencias Marinas, tomo 
I, sec. I. [In Spanish.] 
Arvizu, J., and H. Chavez. 
1972 . Sinopsis sobre la biologia de la totoaba, Cynoscion 
macdonaldi Gilbert 1890. [In Spanish.] FAO Fish. Synop- 
sis 108. 
Bagenal, T. B., and F. W. Tesch. 
1978 . Age and growth. In T.B. Bagenal (ed.), Methods for 
assessment offish production in freshwater, 3rd ed., p.101- 
136. Blackwell Scientific Publication. Oxford, England. 
Barhieri, L. R., M. E. Chittenden Jr., and C. M. Jones. 
1994 . Age, growth, and mortality of Atlantic croaker, 
Micropogonias undulatus, in the Chesapeake Bay region, 
with a discussion of apparent geographic changes in popu- 
lation dynamics. Fish. Bull. 92:1-12. 
Barger, L. E. 
1985 . Age and growth of Atlantic croakers in the northern 
Gulf of Mexico, based on otolith sections. Trans. Am. Fish. 
Soc. 114:847-850. 
Barrera Guevara, J. C. 
1990 . The conservation of Totoaba macdonaldi (Gilbert), 
(Pisces: Sciaenidae), in the Gulf of California, Mexico. J. 
Fish. Biol. 37(suppl. A):201-202. 
Beamish, R. J., and D. A. Fournier. 
1981 . A method for comparing the precision of a set of age 
determination. Can. J. Fish. Aquat. Sci. 38:982-983. 
Beamish, R. J., and G. A. McFarlane. 
1987 . Current trends in age determination metho- 
dology. In R. C. Summerfield and G. E. Hall (eds.), Age 
and growth of fish, p.15-42. Iowa State Univ. Press. 
Beckman, D. W., A. L. Stanley, J. H. Render, and 
C. A. Wilson. 
1990 . Age and growth of black drum in Louisiana waters 
of the Gulf of Mexico. Trans. Am. Fish. Soc. 119:537-544. 
Berdegue, A. J. 
1955 . La pesqueria de la totoaba (Cynoscion macdonaldi) 
en San Felipe, Baja California. Rev. Soc. Mex. Hist. Nat. 
16( l-4):45-78. [In Spanish.] 
Blake, C., and B. F. Blake. 
1981 . Age determination in six species of fish from a Mexi- 
can Pacific coastal lagoon. J. Fish Biol. 18(4):471-478. 
Brothers, E. B. 
1978 . Exogenous factors and the formation of daily and sub- 
daily growth increments in fish otoliths. Am. Zool. 18:631 . 
Cisneros-Mata, M. A., G. Montemayor-Lopez, and 
M. J. Roman-Rodriguez. 
1995 . Life history and conservation of Totoaba macdo- 
naldi. Conserv. Biol. 9(4):806-814. 
De Vries, D. A., and M. E. Chittenden Jr. 
1982 . Spawning, age determination, longevity and mortal- 
ity of silver sea trout, Cynoscion nothus in the Gulf of 
Mexico. Fish. Bull. 80(3):487-500. 
Flanagan, C. A. 
1973 . Study of the feasibility of modeling the totoaba fish- 
ery of the northern Gulf of California, with preliminary 
estimation of some critical parameters. Univ. Arizona, 
Biol. Sci. Rep. 249, 58 p. 
Flanagan C. A., and J. R. Hendrickson. 
1976 . Observation on the commercial fishery and reproduc- 
tive biology of the totoaba Cynocion macdonaldi , in the 
northern Gulf of California. Fish. Bull. 74(3 ):53 1-544 . 
Gauldie, R. W., and D. G. A. Nelson. 
1990 . Otolith growth in fishes. Comp. Biochem. Physiol. 
97A(2):119-135. 
Gonzalez, L. W. 
1977 . Aspectos tecnicos de preparation de otolitos para 
estudios de edad de algunas especies del genero Cynoscion 
(Pisces: Sciaenidae). Lagena nos. 39-40:43^8. [In Spanish.] 
Jerald, A., Jr. 
1983. Age determination. In L. A. Nielsen and D. L. 
Johnson (eds.), Fisheries techniques, p. 301-324. Am. 
Fish. Soc., Bethesda, MD. 
Lowerre-Barbieri, S. K., M. E. Chittenden Jr., and 
C. M. Jones. 
1994 . A comparison of a validated otolith method to age 
weakfish, Cynoscion regalis , with the traditional scale 
method. Fish. Bull. 92:555-568. 
Maceina, M. J., D. N. Hata, T. L. Linton and A. M. Landry Jr. 
1987 . Age and growth analysis of spotted sea trout from 
Galveston Bay, Texas. Trans. Am. Fish. Soc. 116: 54-59. 
Murphy M. D., and R. G. Taylor. 
1989 . Reproduction and growth of black drum Pogonias 
cromis, in northeast Florida. Northeast Gulf Sci. 10(2): 
127-137. 
1991 . Direct validation of ages determined for adult red 
