Full report - Conservation Gateway

Chapter 3 - Benthic HabitatsCone snail (Oenopota harpularia)Hatchet shell (Thyasira equalis, T. trisinuata)Northern moon snail (Euspira immaculata)Paper bubble (Philine quadrata)Rusty axinopsid (Mendicula ferruginosa)Solitary glassy bubble (Retusa obtusa)Top snail (Solariella obscura)Bryozoans and ProtozoansTessarodoma gracilisForaminiferidaEchinodermsDwarf brittle star (Axiognathus squamatus)Sea cucumber (Stereoderma unisemita)Habitat 24 (139 Samples):Mid-position flats at moderate depths (70 - 101 m) on siltto fine sand.ArthropodsMysid shrimp (Pseudomma affine)Cumacea (Petalosarsia declivis, Lamprops quadriplicata)Habitat 1 (153 Samples):High flats and slopes at any depth on silt, fine sand or sand.ArthropodsBristled longbeak shrimp (Dichelopandalus leptocerus)MollusksNorthern shorfin squid (Illex illecebrosus)EchinodermsBasket star (Gorgonocephalus eucnemis)*Habitat 139 (90 Samples):Various seabed postions in moderately shallow water(42 - 70 m) on fine to medium to coarse sand. Not ahabitat type, but listed here for completeness.No diagnostic species, samples largely empty – some squid(Sepioidea)Habitat 2 (116 Samples):Flats and slopes at moderate depth (70 - 233 m) on verycoarse sand or pebbles.ArthropodsSpiny lebbeid (Lebbeus groenlandicus)Aesop shrimp (Pandalus montagui)Sars shimp (Sabinea sarsii)*Habitat 4 (791 Samples):Any seabed form at any depth and any substrate. Not ahabitat type, but included in this list for completeness.Apparently poor samples, no diagnostic species, samplesmostly krill (Euphausia krohni)Habitat 247 (62 Samples):Depressions and high flats in moderate to deep water(101 - 233 m) on silt and mud.ArthropodsPink glass shrimp (Pasiphaea multidentata)Northern shrimp (Pandalus borealis)Other decapods (Geryon quinquedens)Habitat 7: (157 samples)Depressions, and high flats and slopes, in deep water(143 - 233 m) mostly on silt and fine sand, but substrate isvariable.AnnelidsPlumed worm (Onuphis opalina)Sea mouse (Laetmonice filicornis)ArthropodsArctic eualid (Eualus fabricii)Friendly blade shrimp (Spirontocaris liljeborgii)Hermit crab (Pagurus pubescens)Norwegian shrimp (Pontophilus norvegicus)Parrot shrimp (Spirontocaris spinus)Polar lebbeid (Lebbeus polaris)Pycnogonum (Pycnogonum littorale)Sea spider (Nymphon grossipes, Nymphon longitarse, Nymphon3-32Northwest Atlantic Marine Ecoregional Assessment • Phase 1 Report