#subtropical-boundary

2 articles

Bay of Plenty: Warm-Current Kelp on New Zealand's Northern Edge

A Coastal Atlas guide to the Bay of Plenty — golden kelp at its warm limit, volcanic islands, subtropical fish visitors, Moutohorā's sanctuary, seasons and how to see it all.

Tom Okafor · September 26, 2026

Golden kelp forest glowing in clear deep-blue South Pacific water beneath a submerged volcanic arch, sunbeams slanting through the canopy and small reef fish schooling above the fronds.

Atlas9 min read

The Poor Knights Islands: Kelp at the Subtropical Boundary

Off New Zealand's Tutukaka Coast, the Poor Knights Islands protect the clearest, warmest kelp forests in the country — and fish that belong to a warmer sea entirely.

Tom Okafor · September 26, 2026

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