The significance of length at sexual maturity, mesh size and closed fishing waters to the commercial fishery for the catfish Cnidoglanis macrocephalus in Australian estuaries

L. Laurenson; I. Potter; R. Lenanton; N. Hall

doi:10.1111/j.1439-0426.1993.tb00397.x

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The significance of length at sexual maturity, mesh size and closed fishing waters to the commercial fishery for the catfish Cnidoglanis macrocephalus in Australian estuaries

Journal article

Peer reviewed

The significance of length at sexual maturity, mesh size and closed fishing waters to the commercial fishery for the catfish Cnidoglanis macrocephalus in Australian estuaries

L. Laurenson, I. Potter, R. Lenanton and N. Hall

Journal of Applied Ichthyology, Vol.9(3-4), pp.210-221

1993

DOI: https://doi.org/10.1111/j.1439-0426.1993.tb00397.x

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Abstract

The total lengths and numbers of Cnidoglanis macrocephalus caught in the closed and open fishing waters of Wilson Inlet, using a gill net cornrising a wide range of mesh sizes, were recorded. These data were then compared with those obtained for the commercial fishery. The results strongly indicate that (I) the density and percentage contribution of large fish are lower in open than in closed fishing waters, (II) female fish were more readily caught than male fish and (III) the minimum legal mesh size and minimum legal length for C. macrocephalus should be increased to prevent fish being caught before they reach sexual maturity.

Details

Title: The significance of length at sexual maturity, mesh size and closed fishing waters to the commercial fishery for the catfish Cnidoglanis macrocephalus in Australian estuaries
Authors/Creators: L. Laurenson (Author/Creator) - Murdoch University
I. Potter (Author/Creator) - Murdoch University
R. Lenanton (Author/Creator)
N. Hall (Author/Creator) - Bernard (Czechia)
Publication Details: Journal of Applied Ichthyology, Vol.9(3-4), pp.210-221
Publisher: Blackwell Publishing Inc.
Identifiers: 991005544761607891
Murdoch Affiliation: School of Biological and Environmental Sciences
Language: English
Resource Type: Journal article

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Citation topics: 3 Agriculture, Environment & Ecology; 3.2 Marine Biology; 3.2.1182 Coastal Vegetation
Web Of Science research areas: Fisheries; Marine & Freshwater Biology
ESI research areas: Plant & Animal Science