Articles by Author: Mj Smale

Search results for Mj Smale

We found 40 results for you
  1. Aspects of the recreational ski-boat fishery off the Eastern Cape, South Africa

    Aspects of the recreational ski-boat fishery off the Eastern Cape, South Africa

    Item type: Journal Article • Journal: South African Journal of Marine Science
    The number of anglers and boats participating in the Eastern Cape ski-boat line fishery is high, and at the Port Elizabeth Deep-Sea Angling Club effort increased by a factor of 1,6 between 1975 and 1982. Ski-boat fishing is principally a...
  2. Aspects of the biology of <em>Argyrosomus hololepidotus</em> and <em>Atractoscion aequidens</em> (Osteichthyes: Sciaenidae) in waters of the south-eastern Cape, South Africa

    Aspects of the biology of <em>Argyrosomus hololepidotus</em> and <em>Atractoscion aequidens</em> (Osteichthyes: Sciaenidae) in waters of the south-eastern Cape, South Africa

    Item type: Journal Article • Journal: South African Journal of Marine Science
    Argyrosomus hololepiclotus (kob) is an important component of the line fishery of the south-eastern Cape. Specimens were sampled between 1978 and 1981, and they ranged in size between 226 and 1 701 mm total length. Largest line catches were recorded...
  3. Recent records of four warm-water elasmobranchs from the eastern Cape Province, South Africa

    Recent records of four warm-water elasmobranchs from the eastern Cape Province, South Africa

    Item type: Journal Article • Journal: South African Journal of Marine Science
    Four records of warm-water elasmobranchs are reported from the warm temperate waters of the eastern Cape. They are the southernmost records of Zambezi shark Carcharhinus leucas and sandbar shark Carcharhinus plumbeus from Africa and the first records from the Cape...
  4. Age and growth of the red steenbras <em>Petrus rupestris</em> (Pisces: Sparidae) on the south-east coast of South Africa

    Age and growth of the red steenbras <em>Petrus rupestris</em> (Pisces: Sparidae) on the south-east coast of South Africa

    Item type: Journal Article • Journal: South African Journal of Marine Science
    Sectioned sagittal otoliths were used for age determination of red steenbras. The growth zones were composed of opaque and translucent zones. The otoliths were viewed burnt and unburnt, the former giving slightly clearer zone patterns under reflected light. The otoliths...
  5. Predation patterns of demersal teleosts from the Cape south and west coasts of South Africa. 1. Pelagic predators

    Predation patterns of demersal teleosts from the Cape south and west coasts of South Africa. 1. Pelagic predators

    Item type: Journal Article • Journal: South African Journal of Marine Science
    The feeding patterns of seven teleosts taken by demersal trawl from two areas of the Cape coast, all of which fed predominantly on pelagic prey, are described. Feeding stanzas were used in analyses because there were considerable ontogenetic changes in...
  6. The distribution and abundance of seven commercial trawlfish from the Cape south coast of South Africa, 1986–1990

    The distribution and abundance of seven commercial trawlfish from the Cape south coast of South Africa, 1986–1990

    Item type: Journal Article • Journal: South African Journal of Marine Science
    Spatial and size/age distributions of seven teleost species are described from a series of five annual trawling surveys made over the continental shelf and upper slope (20–500 m) of the South African south coast between Cape Agulhas and Port Alfred...
  7. Predation patterns of demersal teleosts from the Cape south and west coasts of South Africa. 2. Benthic and epibenthic predators

    Predation patterns of demersal teleosts from the Cape south and west coasts of South Africa. 2. Benthic and epibenthic predators

    Item type: Journal Article • Journal: South African Journal of Marine Science
    The feeding patterns of 12 teleost species taken by demersal trawl from two areas of the Cape coast and which fed predominantly on benthic and epibenthic prey are described. Prey selection varied intraspecifically with growth. There was considerable overlap in...
  8. Predation patterns on the inshore spawning grounds of the squid <em>Loligo vulgaris reynaudll</em> (Cephalopoda: Loliginidae) off the south-eastern Cape, South Africa

    Predation patterns on the inshore spawning grounds of the squid <em>Loligo vulgaris reynaudll</em> (Cephalopoda: Loliginidae) off the south-eastern Cape, South Africa

    Item type: Journal Article • Journal: South African Journal of Marine Science
    The feeding patterns of fish caught on the inshore (<50 m deep) spawning grounds of chokka squid Loligo vulgaris reynaudii were investigated between November 1988 and September 1990. Fish were sampled by demersal trawl, gillnet, handline and longline. SCUBA was...
  9. Occurrence and feeding of three shark species, <em>Carcharhinus brachyurus, C. obscurus</em> and <em>Sphyrna zygaena</em>, on the Eastern Cape coast of South Africa

    Occurrence and feeding of three shark species, <em>Carcharhinus brachyurus, C. obscurus</em> and <em>Sphyrna zygaena</em>, on the Eastern Cape coast of South Africa

    Item type: Journal Article • Journal: South African Journal of Marine Science
    The shark species Carcharhinus brachyurus, C. obscurus and Sphyrna zygaena, which attain more than 2 m when adult, occur in coastal waters of the Southern Cape as juveniles. They use these coastal waters as nursery areas and their relative abundance...
  10. The distribution and abundance of linefish and secondary trawlfish on the Cape south coast of South Africa, 1986–1990

    The distribution and abundance of linefish and secondary trawlfish on the Cape south coast of South Africa, 1986–1990

    Item type: Journal Article • Journal: South African Journal of Marine Science
    The distribution patterns and estimated biomass indices of 11 species of teleost, which are either minor components of the Cape south coast trawl fishery or of lesser commercial value than principal or target species, are described. Two are commercially important...