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Finding the Best Nursery: How Habitat Features Shape Juvenile Snapper ( Chrysophrys auratus ) Density

Jessica L. Campbell; Richard B. Taylor; Mark A. Morrison
New Zealand Journal of Marine and Freshwater Research · Vol. 60, Issue 1 · 2026

Abstract

This study examines habitat preferences of juvenile Australasian snapper ( Chrysophrys auratus ) in northeastern New Zealand, analysing data from 113 stations across structured and unstructured habitats. We investigated how juvenile snapper densities were influenced by environmental factors, including prey availability and physical habitat features. Seagrass supported significantly higher snapper densities than all other habitats, with mean densities more than 80 times greater than non‐seagrass habitats, reinforcing its role as a key nursery habitat. Regression analyses identified seagrass presence as the strongest predictor of density, with benthic productivity and plankton flux also weakly correlated when considering all habitats together. In non‐seagrass environments, there were weak trends for densities to be higher in shallow water and in the presence of burrows. Current speed also appeared to play a role, potentially modifying prey availability and interacting with habitat structure. These findings provide new insights into why seagrass meadows are particularly beneficial for juvenile snapper, reinforcing the need for targeted conservation and restoration efforts to sustain nursery habitats and support snapper populations.

Bibliographic Information

JournalNew Zealand Journal of Marine and Freshwater Research
PublisherWiley
Publication Date2026-03-01
Publication Year2026
Volume60
Issue1
Document TypeJournal Article
Print ISSN0028-8330
eISSN1175-8805
DOI10.1002/nzm2.70013
SubjectMarine & Freshwater Science

Access Information

NARA Access Coverage1997-01-01~Current
Journal Homepagehttps://onlinelibrary.wiley.com/loi/11758805
Publisher PageOpen Publisher Page
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