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First approach to the biology of the deep-water shark Deania profundorum (Chondrichthyes: Centrophoridae)

Published online by Cambridge University Press:  05 March 2009

Ricardo Sousa ,
Sara Ferreira ,
Tomás Chada ,
João Delgado  and
Dalila Carvalho
Ricardo Sousa*
Affiliation:
Direcção de Serviços de Investigação das Pescas (DSIP), Estrada da Pontinha, 9004-562 Funchal, Madeira, Portugal
Sara Ferreira
Affiliation:
Direcção de Serviços de Investigação das Pescas (DSIP), Estrada da Pontinha, 9004-562 Funchal, Madeira, Portugal
Tomás Chada
Affiliation:
Direcção de Serviços de Investigação das Pescas (DSIP), Estrada da Pontinha, 9004-562 Funchal, Madeira, Portugal
João Delgado
Affiliation:
Direcção de Serviços de Investigação das Pescas (DSIP), Estrada da Pontinha, 9004-562 Funchal, Madeira, Portugal
Dalila Carvalho
Affiliation:
Direcção de Serviços de Investigação das Pescas (DSIP), Estrada da Pontinha, 9004-562 Funchal, Madeira, Portugal
*
Correspondence should be addressed to: Ricardo Sousa, Direcção de Serviços de Investigação das Pescas (DSIP), Estrada da Pontinha, 9004-562 Funchal, Madeira, Portugal email: ricardosousa@inbio.com.pt
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Abstract

This is the first work describing some biological aspects of the arrowhead dogfish, Deania profundorum. The specimens were captured in two surveys (2004–2005) between 151 and 1200 m off the Madeira archipelago (north-east Atlantic Ocean). A total of 351 females (36–110 cm) and 169 males (27–94 cm) were sampled. The smallest (27 cm) and the biggest (110 cm) specimens ever caught were recorded. Females were most abundant in the overall depths, apart from the middle range of 451–1050 m where the sex-ratio was 1:1. A vertical stratification by size occurred, since all the juveniles less than 40 cm length were caught deeper than 950 m. This species was sexually dimorphic with females growing to larger sizes than males and being larger at first maturity. All stages of maturity were found during the sampling period. Nineteen gravid females with six to 11 embryos (9–18 cm length) were found. The data obtained indicate that the Madeira slopes are a nursery and reproductive area for D. profundorum.

Keywords

Deania profundorumdeep-water sharkbiologyspawningfecundityMadeira
Type
Research Article
Information
Marine Biodiversity Records , Volume 2 , January 2009 , e44
Copyright
Copyright © Marine Biological Association of the United Kingdom 2009

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References

REFERENCES

Brito, A., Pascual, P.J., Falcón, J.M., Sancho, A. and González, G. (2002) Peces de las Islas Canarias: catalogo comentado e ilustrado. Tenerife: Francisco, Lemus (ed.).Google Scholar
Clarke, M.W., Connolly, P.L. and Bracken, J.J. (2001) Aspects of reproduction of the deep water sharks Centroscymnus coelolepis and Centrophorus squamosus from west of Ireland and Scotland. Journal of the Marine Biological Association of the United Kingdom 81, 1019–1029.Google Scholar
Clarke, M.W., Connolly, P.L. and Bracken, J.J. (2002) Catch, discarding, age estimation, growth and maturity of the squalid shark Deania calceus west and north of Ireland. Fisheries Research 56, 139–153.CrossRefGoogle Scholar
Coelho, R. and Erzini, K. (2006) On the occurrence of the arrowhead dogfish, Deania profundorum (Chondrichthyes: Squalidae) off southern Portugal, with a missing gill slit. Cybium 30, 93–96.Google Scholar
Compagno, L.J.V. (1984) Sharks of the World, an annotated and illustrated catalogue of shark species known to date. Part 1. Hexamchiformes to Lamniformes. In FAO Species Catalogue, vol. 4. FAO Fisheries Synopsis. Rome: FAO, pp. 1–125.Google Scholar
Compagno, L.J.V. (1998) Sharks. In Carpenter, K.E. and Niem, V.H. (eds) The living marine resources of the western central Pacific. Vol. 2. Cephalopods, crustaceans, holothurians and sharks. Rome: FAO, pp. 1193–1366.Google Scholar
Ferreira, S., Sousa, R., Delgado, J., Carvalho, D. and Chada, T. (2008) Weight–length relationships for demersal fish species caught off the Madeira Archipelago (eastern-central Atlantic). Journal of Applied Ichthyology 24, 93–95.CrossRefGoogle Scholar
Freitas, M. and Biscoito, M. (2006) Deep-sea chondrichthyes caught between 1000 and 2500 m off Madeira (north-east Atlantic Ocean). 11th International Deep-Sea Biology Symposium, 9–14 July 2006, National Oceanography Centre, Southampton, UK.Google Scholar
Froese, R. and Pauly, D. (eds) (2007) FishBase. (www Database) World Wide Web electronic publication. URL: http://www.fishbase.org, version (10/2006) (accessed January 2007).Google Scholar
Girard, M. and De Buit, M.H. (1999) Reproductive biology of two deep-water sharks from the British Isles, Centroscymnus coelolepis and Centrophorus squamosus (Chondrichthyes: Squalidae). Journal of the Marine Biological Association of the United Kingdom 79, 923–931.CrossRefGoogle Scholar
Hamlett, W.C. and Koob, T.J. (1999) Female reproductive system. In Hamlett, W.C. (ed.) Sharks, skates and rays. The biology of elasmobrach fishes. Baltimore: The Johns Hopkins University Press, pp. 398–443.CrossRefGoogle Scholar
ICES (2006) Report of the Working Group on Elasmobranch Fishes. International Council for the Exploration of the Sea (CM Papers and Reports), CM 2006/ACFM:31, p. 291.Google Scholar
Jakobsdóttir, K.B. (1998) Maturity and other biological aspects of two deep water squaloid sharks, Centroscyllium fabricii (Reinhardt, 1825) and Etmopterus princeps Collet, 1904, in Icelandic waters. International Council for the Exploration of the Sea (CM Papers and Reports), CM 1998/0:35.Google Scholar
Jakobsdóttir, K.B. (2001) Biological aspects of two deep-water squalid sharks: Centroscyllium fabricii (Reinhardt, 1825) and Etmopterus princeps (Collet, 1904) in Icelandic waters. Fisheries Research 51, 247–265.CrossRefGoogle Scholar
King, M. (1995) Fisheries biology assessment and management, London: Fishing News Books.Google Scholar
Machado, O.B. and Figueiredo, I. (2000) A technique for ageing the birdbeak dogfish (Deania calcea Lowe, 1839) from dorsal spines. Fisheries Research 45, 93–98.Google Scholar
MacLaughlin, D.M. and Morrissey, J.F. (2005) Reproductive biology of Centrophorus cf. uyato from the Cayman Trench, Jamaica. Journal of the Marine Biological Association of the United Kingdom 85, 1185–1192.Google Scholar
Menezes, G.M. (2003) Demersal fish assemblages in the Atlantic archipelagos of the Azores, Madeira, and Cape Verde. PhD thesis. Universidade dos Açores, Horta, Portugal.Google Scholar
Menezes, G.M., Delgado, J., Krug, H., Pinho, M.R., Silva, H.M. and Carvalho, D. (1997) Design optimization and implementation of demersal cruise surveys in the Macaronesian archipelagos–II. Final Report DG XIV/C/1—Study contract 95/095. Horta, Faial.Google Scholar
Reiner, F. (1996) Catálogo dos Peixes do Arquipélago de Cabo Verde. Publicações avulsas do IPIMAR no. 2. Lisboa: IPIMAR.Google Scholar
Santos, R.S., Porteiro, F.M. and Barreiros, J.P. (1997) Marine fishes of the Azores: an annotated checklist and bibliography. Arquipélago 1, Suppl., 1–244.Google Scholar
Stehmann, M.F.W. (2002) Proposal of a maturity stages scale for oviparous and viviparous cartilaginous fishes (Pisces, Chondrichthyes). Archive of Fishery and Marine Research 50, 23–48.Google Scholar
Tota, H. (1999) Heart. In Hamlett, W.C. (ed.) Sharks, skates and rays. The biology of elasmobrach fishes. Baltimore: The Johns Hopkins University Press, pp. 238–272.Google Scholar
Uiblein, F., Bordes, F. and Castillo, R. (1996). Diversity, abundance and depth distribution for demersal deep-water fishes off Lanzarote and Fuerteventura, Canary Islands. Journal of Fish Biology 49, Suppl. A, 75–90.Google Scholar
Veríssimo, A., Gordo, L. and Figueiredo, I. (2003) Reproductive biology and embryonic development of Centroscymnus coelolepis in Portuguese mainland waters. ICES Journal of Marine Science 60, 1335–1341.CrossRefGoogle Scholar
Yano, K. (1991) Catch distribution, stomach contents and size at maturity of two squaloid sharks, Deania calceus and D. crepidalbus, from the south-east Atlantic off Namibia. Bulletin of the Japanese Society of Fisheries Oceanography 55, 189–195.Google Scholar
Yano, K. (1995) Reproductive biology of the black dogfish, Centroscyllium fabricii, collected from waters off western Greenland. Journal of the Marine Biological Association of the United Kingdom 75, 285–310.CrossRefGoogle Scholar
Yano, K. and Tanaka, S. (1984) Some biological aspects of the deep sea squaloid shark Centroscymnus from Suruga Bay, Japan. Bulletin of the Japanese Society of Scientific Fisheries 50, 249–256.Google Scholar
Yano, K. and Tanaka, S. (1987) Reproductive organs of deep sea sharks, Centroscymnus owstoni and C. coelolepis. Journal of the Faculty of Marine Science and Technology, Tokai University 25, 57–67.Google Scholar
Yano, K. and Tanaka, S. (1988) Size at maturity, reproductive cycle, fecundity and depth segregation of the deep sea squaloid sharks Centroscymnus owstoni and C. coelolepis in Suruga Bay, Japan. Nippon Suisan Gakkaishi 54, 167–174.Google Scholar
Zar, J.H. (1996) Biostatiscal analysis, 3rd edn. New Jersey: Prentice-Hall, Inc.Google Scholar