The relationship between fish length and otolith size and weight of the Australian anchovy, Engraulis australis (Clupeiformes, Engraulidae),retrieved from the food of the Australasian gannet, Morus serrator (Suliformes, Sulidae),Hauraki Gulf, New Zealand
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Authors
Jawad, Laith
Adams, Nigel
Adams, Nigel
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2021-07-01
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Journal Article
Ngā Upoko Tukutuku (Māori subject headings)
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Hauraki Gulf Islands (Auckland, N.Z.)
Auckland (N.Z.)
New Zealand
Engraulis australis (Australian anchovy)
otolith size
fish length
Morus serrator (Australasian gannets)
diet analysis
Australian anchovy
Australasian gannets
Auckland (N.Z.)
New Zealand
Engraulis australis (Australian anchovy)
otolith size
fish length
Morus serrator (Australasian gannets)
diet analysis
Australian anchovy
Australasian gannets
ANZSRC Field of Research Code (2020)
Citation
Jawad, LA., & Adams, NJ. (2021). The relationship between fish length and otolith size and
weight of the Australian anchovy, Engraulis australis (Clupeiformes, Engraulidae),
retrieved from the food of the Australasian gannet, Morus serrator (Suliformes, Sulidae),
Hauraki Gulf, New Zealand. Zoodiversity : Journal of Schmalhausen Institute of Zoology, 55(4), 331-338. doi:55(4): 331–338. https://doi.org/10.15407/zoo2021.04.331
Abstract
Relationships between fish length and otolith length, width and mass were examined in the Australian anchovy Engraulis australis (White, 1790) recovered from the food of Gannet examined from colonies at islands of Horuhoru Rock and Mahuki Islands in the Hauraki Gulf. New Zealand. The relationships between otolith length- fish total length (TL), otolith-weight-TL, and otolith-width-TL were investigated by means of non-linear regression models (TL = 0.54 OL 16.86, TL = 4.39 OW 7.61 and TL = 26.19 OWe 2.2). This study characterizes the first reference available on the relationship of fish size and otolith size and weight for E. australis obtained from bird’s food in the Pacific Ocean region.
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Schmalhausen Institute of Zoology
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Attribution-NonCommercial-NoDerivatives 4.0 International