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Movement pattern and home range of Roman Chrysoblephus laticeps
Kerwath, S.E.; Götz, A.; Attwood, C.G.; Cowley, P.D.; Sauer, W.H.H. (2007). Movement pattern and home range of Roman Chrysoblephus laticeps. Afr. J. Mar. Sci. 29(1): 93-103
In: African Journal of Marine Science. NISC/Taylor & Francis: Grahamstown. ISSN 0257-7615, more
Peer reviewed article  

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  • Kerwath, S.E.
  • Götz, A.
  • Attwood, C.G.
  • Cowley, P.D.
  • Sauer, W.H.H.

    The movement behaviour of adult Roman Chrysoblephus laticeps (Sparidae) was investigated using mark-and-recapture techniques in the Goukamma Marine Protected Area (GMPA) and the Tsitsikamma National Park (TNP) on the South African temperate south coast. The study was designed to improve the spatial resolution of previous studies on Roman that suggested residence behaviour, but which could not estimate home range size. A combination of conventional barbed dart tags and visible implant fluorescent elastomer (VIFE) tags were used to tag Roman from a skiboat in the GMPA. Roman were tagged with dart tags from the shore in the TNP. Of the recaptures, 61% were within 50m of the tagging position, confirming that Roman are very resident. A few fish, independent of size and sex, moved distances up to 4km. A model was developed to quantify the degree of residence, by accounting for tag loss, mortality and the distribution of recovery effort. The probability of a Roman remaining within an area of 1ha is 0.91 (GMPA) and 0.94 (TNP) — such a small home range suggesting that individual Roman would benefit from small MPAs.

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