New Zealand Seashore

DSC_5179 Small black sacoglossan (Ercolania felina) climbing on the filamentous algae Chaetomorpha. Ercolania feeds on the liquid contents of the tiny swollen cells of this algae, which grows in the often warm, hyposaline water of shallow tidal pools in late summer. Brighton Beach

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DSC_5179 Small black sacoglossan (Ercolania felina) climbing on the filamentous algae Chaetomorpha. Ercolania feeds on the liquid contents of the tiny swollen cells of this algae, which grows in the often warm, hyposaline water of shallow tidal pools in late summer. Brighton Beach

DSC 5179 Ercolania felina saccoglossan sapsucking sea slugs colony feeding filamentous algae Chaetomorpha rock pool Brighton Beach