Acessibilidade / Reportar erro

The African hind's (Cephalopholis taeniops, serranidae) use of artificial reefs off sal island (Cape Verde): a preliminary study based on acoustic telemetry

Abstracts

The African hind Cephalopholis taeniops (Valenciennes, 1828) is one of the most important commercial demersal species caught in the Cape Verde archipelago. The species is closely associated with hard substrate and is one of the main attractions for SCUBA divers. In January 2006 a former Soviet fishing vessel - the Kwarcit - was sunk off Santa Maria Bay (Sal Island). Young C. taeniops are commonly observed in this artificial reef (AR). In order to investigate the species' use of the AR, 4 specimens were captured and surgically implanted underwater with Vemco brand acoustic transmitters. The fish were monitored daily with an active telemetry receiver for one week after release. Simultaneously, an array of 3 passive VR2 / VR2W receivers was set for 63 days, registering data that allowed an analysis of spatial, daily and short term temporal activity patterns. The results showed site fidelity to the AR, with no migrations to the nearby natural reef. The method used allowed to register a consistent higher activity during daytime and a preference for the area opposite the dominant current.

Cephalopholis taeniops; Vessel reef; Cape Verde; Activity pattern; Acoustic telemetry


A garoupa-de-pintas Cephalopholis taeniops (Valenciennes, 1828) é uma das espécies demersais comerciais mais importantes no Arquipélago de Cabo Verde. Esta espécie está fortemente associada ao substrato rígido e constitui uma das principais atracções para os mergulhadores. Em Janeiro de 2006 um antigo navio de pesca soviético - Kwarcit - foi afundado ao largo da Baía de Santa Maria (Ilha do Sal). É comum observar juvenis de C. taeniops neste recife artificial (AR). Para investigar a utilização dos AR por esta espécie, foram capturados 4 exemplares nos quais foi implantado um transmissor acústico da marca Vemco, através de cirurgia realizada debaixo de água. Os peixes foram monitorizados através de um receptor de telemetria activo na semana após libertação. Simultaneamente foi instalada uma rede de 3 receptores passivos tipo VR2 / VR2W que registou dados durante 63 dias, permitindo analisar os padrões de actividade espaciais, diários e temporais de curto-prazo. Os resultados obtidos mostram que os peixes são fiéis ao habitat no AR, não realizando migrações para o recife natural próximo. O método utilizado permitiu registrar um padrão consistente de maior actividade diurna e uma preferência pela área do navio oposta à corrente dominante.

Cephalopholis taeniops; Recifes artificiais; Cabo Verde; Padrão de atividade; Telemetria acústica


  • ABDALLAH, A. B.; SOUISSI, J. B.; MÉJRI, H.; CAPAPÉ, C.; GOLANI, D. First record of Cephalopholis taeniops (Valenciennes) in the Mediterranean Sea. J. Fish Biol., v. 71, n. 2, p. 610-614, 2007.
  • HEEMSTRA, P. C.; RANDALL, J. E. FAO species catalogue. Vol. 16. Groupers of the world (family Serranidae, subfamily Epinephelinae). An annotated and illustrated catalogue of the grouper, rockcod, hind, coral grouper and lyretail species known to date. FAO Fish. Synop., v. 125, n. 16, 382 p., 199
  • KARLSEN, J.; OLESEN, H. J.; ANDERSEN, N. G.; THYGESEN, U.H. Behaviour of large Atlantic cod at ship wrecks and similar rough bottom structures in the north-eastern part of the central North Sea. ICES CM 2009/B:09, 2009, 14 p.
  • LINO, P. G.; BENTES, L.; ABECASIS, D.; SANTOS, M. N. D.; ERZINI, K. Comparative behavior of wild and hatchery reared white sea bream (Diplodus sargus) released on artificial reefs off the Algarve (southern Portugal). In: NIELSEN, J. L.; ARRIZABALAGA, H.; FRAGOSO, N.; HOBDAY, A.; M. LUTCAVAGE , M.; SIBERT, J. (Ed.). Tagging and tracking of marine animals with electronic devices: Reviews: Methods and Technologies in Fish Biology and Fisheries v. 9, p. 23-34, 2009.
  • MEDINA, A.; BRÊTHES, J.; SÉVIGNY, J. Habitat fragmentation and body-shape variation of African hind Cephalopholis taeniops (Valenciennes) in an archipelago system (Cape Verde, eastern Atlantic Ocean). J. Fish Biol, v. 73, n. 4, p. 902-925, 2008.
  • MONTEIRO, P.; RIBEIRO, D.; SILVA, J.; BISPO, J.; GONCALVES, J.M.S. Ichthyofauna assemblages from two unexplored Atlantic seamounts: Northwest Bank and Joao Valente Bank (Cape Verde archipelago). Sci. Mar, v. 72, n. 1, p. 133-143, 2008.
  • PASTOR, O. T. Life history and stock assessment of the african hind (Cephalopholis taeniops) (Valenciennes, 1828) in São Vicente - São Nicolau insular shelf of the Cape Verde archipelago Reykjavik: Fisheries Training Programme, The United Nations University, 2002. 45 p.
  • POPPLE, I. D.; HUNTE, W. Movement patterns of Cephalopholis cruentata in a marine reserve in St Lucia, W.I., obtained from ultrasonic telemetry. J. Fish Biol., v. 67, n. 4, p. 981-992, 2005.
  • REINE, K. An overview of tagging and tracking technologies for freshwater and marine fishes. Vicksburg, MS.: Army Engineer Research and Development Center, 2005. 16 p. ( DOER Technical Notes Collection, ERDC TN-DOER-E18).
  • SIAU, Y. Population structure, reproduction and sex-change in a tropical East Atlantic grouper. J. Fish Biol., v. 44, n. 2, p. 205-211, 1994.
  • STANLEY, D. R.; WILSON, C. A. Seasonal and spatial variation in the abundance and size distribution of fishes associated with a petroleum platform in the northern Gulf of Mexico. Can. J. Fish. aquat. Sci., v. 54, p. 1166-1176, 1997.
  • STOBBERUP, K.; AMORIM, P.; PIRES, V.; MONTEIRO, V. Assessing the effects of fishing in Cape Verde and Guinea Bissau, northwest Africa. In: KRUSE, G.H.; GALLUCCi, V.F.; HAY, D.E.; PERRY, R.I.; PETERMAN, R.M.; SHIRLEY, T.C.; SPENCER, P.D.; WILSON, B.; WOODBY. D. (Ed.). Fisheries assessment and management in data-limited situations. Lowell Wakefield Fisheries Symposia Series, v. 21, p. 395-417, 2005.
  • VOEGELI, F. A.; SMALE, M. J.; WEBBER, D. M.; ANDRADE, Y.; ODOR, R. K. Ultrasonic telemetry, tracking and automated monitoring technology for sharks. Environ. Biol. Fishes, v. 60, n. 1, p. 267-282, 2001.
  • ZELLER, D. C. Ultrasonic telemetry: its application to coral reef fisheries research. Fishery Bull., v. 97, n. 4, p. 1058-1065, 1999.

Publication Dates

  • Publication in this collection
    11 Oct 2011
  • Date of issue
    2011

History

  • Reviewed
    15 Mar 2011
  • Received
    19 May 2010
  • Accepted
    11 Apr 2011
Universidade de São Paulo, Instituto Oceanográfico Praça do Oceanográfico, 191 , 05508-120 Cidade Universitária, São Paulo - SP - Brasil, Tel.: (55 11) 3091-6501, Fax: (55 11) 3032-3092 - São Paulo - SP - Brazil
E-mail: io@usp.br