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Grey Mullet
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Average size 30-40 cm and less than 1 kg, but can grow to about 60 cm. Thick-bodied with a broad head and snout. Grey above, tinged with blue or green, with faint stripes along sides, silver below. Eye dull yellow. Large scales. Distinguished from yellow mullet by broader head and presence of lateral stripes. A surface dwelling coastal species rarely seen offshore. Most common in northern New Zealand in sheltered bays and harbours. Caught mainly by set nets and beach seines. Taken all year round but landings are highest November-march. Resource size unknown but probably small.
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Common Species
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Yelloweye Mullet
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Average length 20-30 cm, average weight less than 0.5 kg. Smaller and more slender than the grey mullet, with a pointed head and snout: scales thin and easily dislodged. Blue-green above, silver below:; eye bright yellow. Very common in shallow coastal waters around New Zealand, particularly in bays, harbours and estuaries. Schooling fish, caught by beach seine or set nets. Resource size unknown, probably small.
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Common Species
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Black Oreo Dory
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Average length 35-45 cm, average weight about 1 kg. Dark body, black fins and rough scales which cannot be dislodged. Occurs around the south of New Zealand 600 m to over 1000 m. The most commonly caught oreo dory in New Zealand waters; taken by deepsea trawling. Available all year. A moderate resource.
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Common Species
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Sea Perch
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Average length 25-30 cm, average weight 400-650 gm. Colour red. Moderate scales. Head and gill spines less developed than in the red scorpionfishes; the dorsal colour pattern distinguishes them from several unrelated red or orange perches. Sea perch occur around New Zealand, 200-600 m, possibly more common on the south. A moderate by-catch by trawlers and line vessels. Resource size unknown, probably moderate.
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Common Species
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Ribaldo (Deep-Sea Cod)
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Average length 40-50 cm, average weight 2-5 kg. Grayish pink above with no pectoral blotch, white below; large loose scales. Distinguished from the related red cod by having large, often protruding eyes, two anal fins instead of one, and no dark blotch at the pectoral fin. It is less easily distinguished from several other small deepwater cods. Moderately common around the south Island, 300-400 m. Taken by trawl and longline, all year round. Resource size unknown, probably small to moderate.
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Common Species
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Orange Roughy
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Average length 30-40 cm; average weight 1.5 kg. Orange body and fins; deep body, massive head with conspicuous bony ridges and cavities. Scales small and irregular in shape and pattern, lateral line scales on the belly. Orange roughy is a deep-water species, irregular in distribution and abundance, very common in some areas on the Chatham Rise and Challenger Plateau, 700-1100 m. Caught by trawling all year round with low season March-May and highest catches August-October. Resource size very large.
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Common Species
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Skipjack Tuna
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Average size 45-65 cm, weighing 1.8-2.8 kg. Found around New Zealand in summer south to cook Strait. Dark purplish-blue above, lower sides and belly silvery-white, with four to six conspicuous, longitudinal, dark stripes. Occurs in large schools along the edge of the continental shelf in 150-250 m, and in smaller or less compact schools inshore. Main fishing grounds are to the north east and west of the North island. Caught mainly by purse-seine. Season November to June with peak landings January- March. Abundant. A large resource.
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Common Species
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Southern Bluefish Tuna
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Average size 40-220 cm, weighing 30-180 kg. Is a highly migratory species capable of moving thousands of miles in the space of one year. Breeds south of java on the west coast of Australia. Distributed in southern oceans of the world between 10 degrees south and 50 degrees south including New Zealand. Blue-black above, silvery-white below. Pectoral fins very short, never reaching narrow gap between dorsal fins. Eye small. Fish attain their optimum condition by the time they reach New Zealand. The main fishing season is from February to October to the east of the country between 35 degrees south and 50 degrees south, where Japanese longliners have operated since the late 1960's.
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Edmund Barton
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Files
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cray1
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