Gulf Of Maine

Sea Life & Aquarium Substrates

Sea life from the Northern Atlantic Ocean. 50 degree F salt water species. Gulf of Maine Inc. supplies sea life, beach plants, and aquarium substrates from Maine, collected by hand.

Aquarium substrates


Bony fishes



Cartilaginous fishes



Gulf of Maine assortments




Saltwater plants




Gulf of Maine Green Seaweeds (4 Chlorophyta spp.)

Gulf of Maine Green Seaweeds (4 Chlorophyta spp.)

from 80.00

Common names:  sea lettuce, green slime, hollow green weed, green macrophyte

Scientific names:  Ulva spp., Ectocarpus spp., Spongomorpha spp.

Locations: lower intertidal marine algae species from Cobscook Bay collecting areas

Seasonality:  available all year

Colors:  green

Size:  2” - 6'

Collected:  by hand

Quantity:  1 quart sized mass of each seaweed

Note: The assortment will vary season to season. Contact us if you have a specific request.

per pack:
Add To Cart
Hollow green weed.

Hollow green weed.

Tidepool Tim says,  “Gulf of Maine Green Seaweeds is a great way to introduce students to a variety of seaweeds or marine macro-algae. Various species of kelps and "rockweeds" are supplied as well as, sea lettuce, dulse, Irish moss, and coralline algae.  A minimum of 6 species is supplied with enough volume to run a classroom of lab activities or experiments. Algae can be kept in refrigerator temps for up to a week. Students may want to make mounts and dry the specimens for display. Seaweeds are shipped as "catch of the day" depending on the time of year and relative abundance of species.

This assortment is also sufficient for establishing a diverse green seaweed presence in a saltwater tank. Investigate for yourself which species 'like' your tank's specific environment."