Gulf Of Maine
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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

Arthropods

Bony fishes

Brachiopods

Bryozoa

Cartilaginous fishes

Cnidaria

Echinoderms

Gulf of Maine assortments

Macroalgae

Molluscs

Plankton

Saltwater plants

Sponges

Tunicates

Worms

Rough-mantled Nudibranch (Onchidoris bilamellata)

Rough-mantled Nudibranch (Onchidoris bilamellata)

from 20.00

Common name: rough-mantled nudibranch

Scientific name:  Cnchidoris bilamellata

Locations:  undersides of large rocks in lower intertidal

Seasonality:  available year round

Colors:  brown & black with raised whitish bumps

Size:  1" - 2"

Collected:  by hand - pull them off rocks

Quantity:  sold by the each

per pack:
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 Nudibranch eggs laid on intertidal rocks!

Nudibranch eggs laid on intertidal rocks!

Tidepool Tim says,  "This is the easiest nudibranch to find.  They are big, obvious, and abundant. that said, a few years ago there must have been some die-off as we couldn't find one anywhere!  Most invertebrates are like this - they have good years and off years in terms of spawning, settlement, and recruitment. These animals have two "horns" like antenna at the front and at the back you will see a ring of feathery structures which are their gills.  They resemble garden slugs when you pick them off the rocks. Their eggs are kind of neat - see in the pics - they look like layers of lasagna noodles attached to rocks - usually with a great herd of nudibrancsh settled alongside. Very impressive when you see them!  Go sea slugs!”