Lacy Red Weed (Euthora cristata), Wet, Live, Whole Leaf, 1 Pint Volume

from $80.00
Quantity (1 Pint Volume):

Live Lacy Red Weed (Euthora cristata)
Please note this is a live marine specimen.

Lacy Red Weed (Euthora cristata), also known as Red Sea Fern, is a delicate and vibrant red algae found in the subtidal zones of Maine’s rocky coast. Its fine, branching fronds form intricate, fern-like patterns and display a brilliant apple-red coloration when submerged in seawater. Often growing on kelp holdfasts or washing ashore after storms, this striking red seaweed is prized for classroom studies, aquaria, and marine botany demonstrations.

Sustainably hand-collected from low-tide ledges and subtidal habitats, each specimen is shipped fresh and ready for scientific or display use.

Key Facts:
Common name: Lacy red weed, red sea fern
Scientific name: Euthora cristata
Locations: Subtidal on low-tide rocks and ledges; often attached to kelp holdfasts or storm-cast on beaches
Seasonality: Available year-round
Colors: Bright apple red
Size: 1” – 3”
Collected: By hand
Quantity: 1 pint volume
Note: This is a live marine specimen. Natural variations in size, color, and appearance from photos should be expected. If you would like any specimen preserved, please send a request to: info@gulfofme.com

Live Lacy Red Weed (Euthora cristata)
Please note this is a live marine specimen.

Lacy Red Weed (Euthora cristata), also known as Red Sea Fern, is a delicate and vibrant red algae found in the subtidal zones of Maine’s rocky coast. Its fine, branching fronds form intricate, fern-like patterns and display a brilliant apple-red coloration when submerged in seawater. Often growing on kelp holdfasts or washing ashore after storms, this striking red seaweed is prized for classroom studies, aquaria, and marine botany demonstrations.

Sustainably hand-collected from low-tide ledges and subtidal habitats, each specimen is shipped fresh and ready for scientific or display use.

Key Facts:
Common name: Lacy red weed, red sea fern
Scientific name: Euthora cristata
Locations: Subtidal on low-tide rocks and ledges; often attached to kelp holdfasts or storm-cast on beaches
Seasonality: Available year-round
Colors: Bright apple red
Size: 1” – 3”
Collected: By hand
Quantity: 1 pint volume
Note: This is a live marine specimen. Natural variations in size, color, and appearance from photos should be expected. If you would like any specimen preserved, please send a request to: info@gulfofme.com

Please Contact for Wholesale Pricing

Lacy red weed frond.

Lacy red weed frond.

Tidepool Tim says,  “Since this red weed is a deepwater species we do not see much of it in or around the tidepools.  I am not certain in the identification of this species. In the fall when sea urchin and scallop dragging (dredges) start plying our local bays we do see plenty of it washing up on our beaches.  On the outer shoreline along the open ocean, it is common to find bits of it on the beaches or in amongst kelps and other tidepool seaweeds. This seaweed also is a nice addition to any cold-water collection or aquarium because of its beautiful delicate structure and nice bright colors. The fronds resemble tiny woodland ferns or blood filled capillaries in a fishes fins.  Often we will supply this reddish 'sea-fern' to our customers attached to kelp.”