Contagem de incrementos em bicos como uma ferramenta para os estudos de crescimento do polvo-comum Octopus vulgaris do sudeste-sul do Brasil

Autores

  • Graziella CASTANHARI Aquaculture and Fisheries Graduate Program. Instituto de Pesca (APTA/SAA/SP)
  • Acácio Ribeiro Gomes TOMÁS Scientific Researcher. Instituto de Pesca (APTA/SAA/SP)

Palavras-chave:

cefalópodes, pesca, idade, marcas diárias

Resumo

O povo-comum, Octopus vulgaris Cuvier, 1797, apresenta alto valor comercial e é a espécie de polvo mais capturada mundialmente. Estimativas de idade são vitais para a compreensão do ciclo de vida e diní­¢mica populacional de uma espécie e futura elaboração de um plano de gerenciamento adequado de sua explotação. Neste estudo, incrementos encontrados nas mandí­­bulas foram contados e, considerando uma deposição diária de incrementos, curvas de crescimento foram ajustadas considerando a relação entre a idade estimada (a) e o comprimento dorsal de manto (DML), peso total (Wt) e comprimento da mandí­­bula superior (CrL). Os indiví­­duos analisados possuí­­am entre 50 e 163 mm de DML (162 e 290 incrementos, respectivamente) e entre 55 e 1.498 g de Wt (164 e 356 incrementos, respectivamente, na expectativa de 1 ano de vida). O melhor ajuste em todas as situações analisadas foi encontrado utilizando equações potenciais: DML = 0,876a0.871, WT = 0,001a2.424, CrL = 0,210 a0.790, para indiví­­duos com número de incrementos entre 118 e 356. A contagem de incrementos na mandí­­bula superior de polvos se mostrou uma forma relativamente simples e bastante útil na estimativa de idade desses cefalópodes.

Referências

ALFORD, R.A. and JACKSON, G.D. 1993 Do cephalopods and larvae of other taxa grow
asymptotically? The American Naturalist, 141(5): 717-728.

ARREGUÍN-SANCHEZ, F. 1992 Growth and seasonal recruitment of Octopus maya on
Campeche Bank, Mexico. NAGA - ICLARM Quaterly, 15(2): 31-34.

BETTENCOURT, V. and GUERRA, A. 2000 Growth increments and biomineralization process in cephalopod statoliths. Journal of Experimental Marine Biology and Ecology, 248: 191-205.

CAMPANA, S.E. 2001 Accuracy, precision and quality control in age determination, including a review of the use and abuse of age validation methods. Journal of Fish Biology, 59: 197-242.

CANALI, E.; PONTE, G.; BELCARI, P.; ROCHA, F.; FIORITO, G. 2011 Evaluating age in Octopus vulgaris: estimation, validation and seasonal diferences. Marine Ecology Progress Series, 441:141-149.

CHANG, W.Y.B. 1982 A statistical method for evaluating the reproducibility of age
determination. Canadian Journal of Fisheries and Aquatic Sciences, 39: 1208-1210.

CLARKE, M.R. 1965 "Growth Rings” in the beaks of the squid Moroteuthis ingens (Oegopsidae:Onychoteuthidae). Malacologia, 3(2): 287-307.

CUCCU, D.; MEREU, M; CAU, A.; PESCI, P.; CAU,A. 2012 Reproductive development versus estimated age and size in a wild Mediterranean population of Octopus vulgaris (Cephalopoda:Octopodidae). Journal of the Marine Biological Association of the United Kingdom, available on CJO2012. doi:10.1017/S0025315412000203.

DAY, T. and TAYLOR, P.D. 1997 Von Bertalanffy’sgrowth equation should not be used to model age and size at maturity. The American Naturalist,149(2): 381- 393.

DOMAIN, F.; JOUFFRE, D.; CAVERIVIERE, A. 2000 Growth of Octopus vulgaris from tagging in Senegalese waters. Journal of the Marine Biological Association of United Kingdom, 80: 699-705.

DOUBLEDAY, Z. and SEMMENS, J.M. 2011 Quantification of the age-pigment lipofuscin in known-age octopus (Octopus pallidus): a potential tool for age determination. Journal of Experimental Marine Biology and Ecology, 397(1): 8-12.

DOUBLEDAY, Z.; SEMMENS, J.M.; PECL, G.; JACKSON, G. 2006 Assessing the validity of
stylets as ageing tools in Octopus pallidus. Journal of Experimental Marine Biology and Ecology, 338(1):35í 42.

FORSYTHE, J.W. 2004 Accounting for the effect of temperature on squid growth in nature: from hypothesis to practice. Marine and Freshwater Research, 55: 331-339.

GUERRA, A. 1979 Fitting a von Bertalanffy expression to Octopus vulgaris growth.
Investigatión Pesquera, 43(1): 319-326.

HERMOSILLA, C.A.; ROCHA, F.; FIORITO, G.;GONZÁLEZ, A.F.; GUERRA, A. 2010 Age
validation in common octopus Octopus vulgaris using stylet increment analysis. ICES Journal of Marine Science, 67: 1458í 1463.

HERNANDEZ-LOPEZ, J.L.; CASTROHERNANDEZ, J.J.; HERNANDEZ-GARCIA, V. 2001 Age determined from daily deposition of concentric rings on common octopus (Octopus
vulgaris) beaks. Fishery Bulletin, 99: 679-684.

HO, J.D.; MOLTSCHANIWSKYJ, N.A.; CARTER, C.G. 2004 The effect of variability in growth on somatic condition and reproductive status in the southern calamary Sepioteuthis australis. Marine and Freshwater Research, 55: 423-428.

JACKSON, G.D. 2004 Cephalopod growth: historical context and future directions. Marine and Freshwater Research, 55: 327-329.

JACKSON, G.D. and CHOAT, J.H. 1992 Growth in tropical cephalopods: an analysis based on statolith microstructure. Canadian Journal of Fishereies and Aquatic Sciences, 49: 218-228.

JACKSON, G.D.; ALFORD, R.A.; CHOAT, J.H. 2000 Can length frequency analysis be used to determine squid growth? An assessment of ELEFAN. ICES Journal of Marine Science, 57: 948-954.

KAYES, R.J. 1974 The daily activity pattern of Octopus vulgaris in a natural habitat. Marine Behavior and Physiology, 2: 337-343.

LEPORATI, S.; SEMMENS, J.M.; PECL, G. 2008 Determining the age and growth of wild octopus using stylet increment analysis. Marine Ecology Progress Series, 367: 213-222.

MANGOLD, K. 1983 Octopus vulgaris. In: BOYLE, P.R. Cephalopod Life Cycle- Species Accounts.Academic Press, London. v. I. p. 335-364.

PERALES-RAYA, C.P.; BARTOLOMÉ, A.; GARCÍASANTAMARÍA, M.T.; PASCUAL-ALAYÓN,
P.; ALMANSA, E. 2010 Age estimation obtained from analysis of octopus (Octopus
vulgaris Cuvier, 1797) beaks: Improvements and comparisons. Fisheries Research, 106(2): 171-176.

PEREIRO, J.A. and BRAVO-DE-LAGUNA, J. 1979 Dinamica de la población y evaluación de los recursos del pulpo del Atlí­¢ntico Centro-oriental. Boletin del Instituto Espaí­±ol de Oceanografí­­a, 5: 69- 105.

RAYA, C.P. and HERNANDEZ-GONZALEZ,C.L. 1998 Growth lines within the beak microesturure of the octopus Octopus vulgaris Cuvier, 1797. South African Journal of Marine Science, 20: 135-142.

SEMMENS, J.M. and MOLTSCHANIWSKYJ, N.A.2000 An examination of variable growth in the loliginid squid Sepioteuthis lessoniana: a whole animal and reductionist approach. Marine Ecology Progress Series, 193: 135-141.

SEMMENS, J.M.; PECL, G.T.; VILLANUEVA, R.;JOUFFRE, D.; SOBRINO, I.; WOOD, J.B.; RIGBY, P.R. 2004 Understanding octopus growth: patterns, variability and physiology. Marine and Freshwater Research, 55: 367-377.

SOUSA-REIS, C. and FERNANDES, R. 2002 Growth observations on Octopus vulgaris Cuvier, 1797 from Portuguese waters: growth lines in the vestigial shell as possible tools for age determination. Bulletin of Marine Science, 71(2):1099-1103.

TOMAS, A.R.G. and PETRERE-JR, M. 2005 Octopus cf. vulgaris (Cuvier, 1797). In: CERGOLE, M.C.; AVILA-DA-SILVA, A.O.; ROSSIWONGTSCHOWSKI, C.L.D.B. Análise das
Principais Pescarias Comerciais da Região SudesteSul do Brasil: Diní­¢mica Populacional das Espécies em Explotação. Serie Documentos Revizee: Score
Sul. Instituto Oceanográfico, USP, São Paulo. p.108-111.

WELLS, M.J. 1978 Octopus: physiology and behaviour of an advanced invertebrate. Chapman and Hall.417p.

WELLS, M.J.; O’DOR, R.K.; MANGOLD, K.; WELLS, J. 1983 Diurnal changes in activity and metabolic rate in Octopus vulgaris. Marine Behavior and Physiology, 9: 275- 287.

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2018-11-11

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