Opihi
The foot of this limpet is dark gray or black. The low ribs of its shell are dark and the troughs between are light. The ribs do not extend much beyond the margin of the shell, leaving the edge relatively smooth. Of all ʻopihi the Black-Foot lives highest on the rock and is most easily gathered. Sometimes on still, sunny days it lifts its shell of the rock, probably to keep cool. It is often found in a small depression called a "home scar" to which it always returns after grazing on algae.
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Limpets
Limpets or ʻopihi in Hawaiian, are snails with conical, caplike shells. They typically cling to surf-swept rocky shores, creeping about slowly to graze on algae; many species have a permanent depression, or "home scar," to which they regularly return. ʻOpihi are highly valued as food by Hawaiians. Harvesters must act quickly both to avoid waves and to dislodge the animals while they are feeding and relaxed. Once disturbed, limpets clamp down firmly. (Information taken from Hawaiʻi's Sea Creatures)
Resources
Limpets or ʻopihi in Hawaiian, are snails with conical, caplike shells. They typically cling to surf-swept rocky shores, creeping about slowly to graze on algae; many species have a permanent depression, or "home scar," to which they regularly return. ʻOpihi are highly valued as food by Hawaiians. Harvesters must act quickly both to avoid waves and to dislodge the animals while they are feeding and relaxed. Once disturbed, limpets clamp down firmly. (Information taken from Hawaiʻi's Sea Creatures)
Resources