Growth and reproduction of carpet shark, common electric ray and blind electric ray in New Zealand waters / M.P. Francis, C. Ó Maolagáin, W.S. Lyon.

Contributor(s): Fisheries New Zealand (Government agency).
Material type: materialTypeLabelBookSeries: New Zealand aquatic environment and biodiversity report: no. 195.Publisher: Wellington : Ministry for Primary Industries, Manatū Ahu Matua, 2018.Description: 1 online resource : illustrations (some colour).ISBN: 9781776657674 (online).Other title: Growth and reproduction of carpet shark, common electric ray and blind electric ray [Running title].Subject(s): NEW ZEALAND | FISH STOCK ASSESSMENT | STATISTICSHoldings: ELECTRONIC Online resources: No. 195 NIWA document server | Fisheries Infosite Summary: Age and growth were estimated for carpet shark, common electric ray and blind electric ray from growth increments on their vertebrae and eye lenses. All three species grow moderately fast, and longevity is low to moderate compared with other elasmobranchs. Length and age at maturity, length at birth/hatching, and litter size were estimated. The length of the gestation period, and whether females have a resting period between pregnancies, are poorly known.
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ELECTRONIC 1 Not for loan 394897

"January 2018".

Includes bibliographical references.

Age and growth were estimated for carpet shark, common electric ray and blind electric ray from growth increments on their vertebrae and eye lenses. All three species grow moderately fast, and longevity is low to moderate compared with other elasmobranchs. Length and age at maturity, length at birth/hatching, and litter size were estimated. The length of the gestation period, and whether females have a resting period between pregnancies, are poorly known.

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