invertebrates

phylum Echinodermata

• helmet urchin (Colobocentrotus atratus)

• long-spined urchin (Diadema sp.)

• rock-boring sea urchin (Echinometra mathaei)

phylum Cnidaria

• cauliflower coral (Pocillopora sp.)

phylum Arthropoda

• thin-shelled rock crab (Grapsus tenuicrustatus)

• Seurat's hermit crab (Calcinus seurati)

phylum Mollusca

• black-foot ‘opihi (Cellana exarata)

• dotted periwinkle (Littoraria pintado)

• black nerite (Nerita picea)

mammals

• humpback whale (Megaptera novaeangliae)

• Hawaiian monk seal (Monachus schauinslandi)*

birds

• Laysan albatross (Phoebastria immutabilis)*

* = first identified species encounter

first time seeing monk seals and albatross! beautiful hike.