El ratolí (Nezumia aequalis) és una espècie de peix de la família dels macrúrids i de l'ordre dels gadiformes.The Taxonomicon
Morfologia Els mascles poden assolir 36 cm de llargària total.FishBase Geistdoerfer, P. 1990. Macrouridae. p. 541-563. A J.C. Quero, J.C. Hureau, C. Karrer, A. Post i L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisboa; SEI, París; i UNESCO, París. Vol. 2.
Alimentació Menja animals pelàgics i bentònics: amfípodes, gambetes, copèpodes, isòpodes, misidacis, ostracodes i poliquets.Geistdoerfer, P. 1986. Macrouridae. p. 644-676. A P.J.P. Whitehead, M.-L. Bauchot, J.-C. Hureau, J. Nielsen i E. Tortonese (eds.) Fishes of the north-eastern Atlantic and the Mediterranean. UNESCO, París. Vol. 2.
Depredadors És depredat a Namíbia per Merluccius capensis i Merluccius paradoxus, mentre que als Estats Units ho és per Merluccius albidus.Rohr, B.A. i Gutherz, E.J. 1977. Biology of offshore hake, Merluccius albidus, in the gulf of Mexico. Fish. Bull. 75(1):147-158.Roel, R.A. i E. Macpherson 1988. Feeding of Merluccius capensis and Merluccius paradoxus off Namibia. S. Afr. J. Mar. Sci. 6:227-243.FishBase
Hàbitat És un peix bentopelàgic que viu entre 200-2320 m de fondària (normalment, entre 200 - 1000 m).Schneider, W. 1990. FAO species identification sheets for fishery purposes. Field guide to the commercial marine resources of the Gulf of Guinea. Prepared and published with the support of the FAO Regional Office for Africa. FAO, Roma. 268 p.
Distribució geogràfica Es troba a l'Atlàntic oriental (des de les illes Fèroe fins al Mediterrani i el nord d'Angola) i a l'Atlàntic occidental (des de l'Estret de Davis fins al nord del Brasil).Mincarone, M.M., C.E.N. Consulim, M.V. Kitahara, A.T. Lima, C.M. Lima e Silva, R.D. Neves, J.M.R. Soto i M.B. de Souza Filho 2004. Report on the demersal fishes sampled by onboard observers off southern Brazil. Mare Magnum 21(1-2):127-144.
Longevitat Arriba a viure 9 anys.Massuti, E., B. Morales-Nin i C. Stefanescu 1995. Distribution and biology of five grenadier fish (Pisces: Macrouridae) from the upper and middle slope of the northwestern Mediterranean. Deep-Sea Research 42(3):307-330.
Referències
Bibliografia Andriyashev, A.P. i N.V. Chernova 1995. Annotated list of fishlike vertebrates and fish of the arctic seas and adjacent waters. J. Ichthyol. 35(1):81-123. Bianchi, G., K.E. Carpenter, J.-P. Roux, F.J. Molloy, D. Boyer i H.J. Boyer 1993. FAO species identification field guide for fishery purposes. The living marine resources of Namibia. FAO, Roma. 250 p. Bilecenoglu, M., E. Taskavak S. Mater i M. Kaya 2002. Checklist of the marine fishes of Turkey. Zootaxa (113):1-194. Claro, R. 1994. Características generales de la ictiofauna. p. 55-70. A R. Claro (ed.) Ecología de los peces marinos de Cuba. Instituto de Oceanología Academia de Ciencias de Cuba i Centro de Investigaciones de Quintana Roo. Claro, R. i L.R. Parenti 2001. The marine ichthyofauna of Cuba. p. 21-57. A Claro, R., K.C. Lindeman i L.R. Parenti (eds) Ecology of the marine fishes of Cuba. Smithsonian Institution Press, Washington i Londres. 253p. Cohen, D.M., A.W. Ebeling, T. Iwamoto, S.B. McDowell, N.B. Marshall, D.E. Rosen, P. Sonoda, W.H. Weed III i L.P. Woods 1973. Fishes of the western North Atlantic. Part six. New Haven, Sears Found. Mar. Res., Yale Univ. Cohen, D.M., T. Inada, T. Iwamoto i N. Scialabba 1990. FAO species catalogue. Vol. 10. Gadiform fishes of the world (Order Gadiformes). An annotated and illustrated catalogue of cods, hakes, grenadiers and other gadiform fishes known to date. FAO Fish. Synop. 10 (125). 442 p. Costa, F. 1991. Atlante dei pesci dei mari italiani. Gruppo Ugo Mursia Editore S.p.A. Milà, Itàlia. 438 p.
Gordon, J.D.M., N.R. Merrett, O.A. Bergstad i S.C. Swan 1996. A comparison of the deep-water demersal fish assemblages of the rockall trough and procupine seabight, eastern north Atlantic: continental slope to rise. J. Fish Biol. 49(Suppl. A):217-238. Haedrich, R.L. i N.R. Merrett 1988. Summary atlas of deep-living demersal fishes in the North Atlantic Basin. J. Nat. Hist. 22:1325-1362.
Jonsson, G. 1992. Islenskir fiskar. Fiolvi, Reykjavik, 568 pp. Lorance, P., P.A. Large, O.A. Bergstad i J.D.M. Gordon 2008. Grenadiers of the Northeast Atlantic - Distribution, Biology, Fisheries, and Their Impacts, and Developments in Stock Assessment and Management. Am. Fish. Soc. Symp. 63:365-397. Macpherson, E. 1979. Relations trophiques des poisons dans la Méditerranée occidentale. Rapp. Comm. Int. Explor. Sci. Mer Méditerr. 25/26, 49-58. Macpherson, E. 1981. Resource partitioning in a Mediterranean demersal fish community. Mar. Ecol. Prog. Ser. 4, 183-193. Macpherson, E. i B.A. Roel 1987. Trophic relationships in the demersal fish community off Namibia. S. Afr. J. Mar. Sci. 5:585-596. Macpherson, E. 1989. Influence of geographical distribution, body size and diet on population density of benthic fishes off Namibia (South West Africa) Mar. Ecol. Prog. Ser. 50:295-299. Marshall, N.B. i N.R. Merrett 1977. The existence of a benthopelagic fauna in the deep-sea. A A Voyage of Discovery. George Deacon 70th Anniversary Volume, M.V. Angel, editor, pp.483-497, Supplement to to Deep-Sea Research, 24. Mauchline, J. i J.D.M. Gordon 1984. Diets and bathymetric distributions of the macrourid fish of the Rockall Trough, northeastern Atlantic Ocean. Mar. Biol. 81:107-121. Mercader L., D. Lloris i J. Rucabado 2003. Tots els peixos del mar Catala. Diagnosi I claus d'identificació. Institut d'Estudis Catalans. Barcelona. 350p.
. Quignard, J.-P. i J.A. Tomasini 2000. Mediterranean fish biodiversity. Biol. Mar. Mediterr. 7(3):1-66. Ramjohn, D.D. 1999. Checklist of coastal and marine fishes of Trinidad and Tobago. Marine Fishery Analysis Unit, Fisheries Division, Ministry of Agriculture, Land and Marine Resources, Trinidad i Tobago. Fisheries Information Series 8, 151 p. Sanches, J.G. 1991. Catálogo dos principais peixes marinhos da República de Guiné-Bissau. Publicações avulsas do I.N.I.P. Núm. 16. 429 p. Santos, R.S., F.M. Porteiro i J.P. Barreiros 1997. Marine fishes of the Azores: annotated checklist and bibliography. Bulletin of the University of Azores. Supplement 1. 244 p. Swaby, S.E. i G.W. Potts 1990. Rare British marine fishes - identification and conservation. J. Fish Biol. 37 (Suppl. A):133-143. Uyeno, T., K. Matsuura i E. Fujii (eds.) 1983. Fishes trawled off Suriname and French Guiana. Japan Marine Fishery Resource Research Center, Tòquio (Japó). 519 p. Vakily, J.M. 1994. Sierra Leone Fishery Surveys Database System (FisDas). Vol. 1 User manual; vol. 2 Technical Reference Handbook, IMBO, Freetown/ ICLARM, Manila.
Enllaços externs AQUATAB
aequalis