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Welcome to Cedar Island Marina
34 Riverside Drive, Clinton, CT
41°15'56"N   72°31'33"W
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Marine Organisms

Clinton Harbor and Long Island Sound as a whole make up Cedar Island Marina Research Laboratory’s study sites. Our research sites are found throughout Clinton Harbor, and Long Island Sound as a whole, in the supratidal, intertidal and subtidal zones. The habitats found within these zones is home to various organisms used in numerous projects, both long and short term. These habitats also act as collection sites for the organisms we use in our educational programs.

Here you will find information on the common organisms (flora and fauna) present in LIS and our focal organisms. 

Invertebrate  HideShow

Cnidarians  HideShow

  • Beroe's Comb Jelly

  • Beroe ovata

Comb jellies can make their own light (bioluminescence). 

  • Lions Mane Jellyfish

  • Cyanea capillata

Some tentacles can reach 30 m in length. 

  • Moon Jelly

  • Aurelia aurita

Moon jellies are found in coastal regions worldwide 

  • Northern Star Coral

  • Astrangia poculata

Focal organism. The only coral present in Long Island Sound. 

  • Roughspined Snailfur

  • Hydractinia echinata

Commonly on the outside of flat-clawed hermit crab shells 

  • White Anenome

  • Diadumene leucolena

Some anemones have symbiotic relationships with algae 


Crustaceans  HideShow

  • American Lobster

  • Homarus americanus

It takes lobsters 6 years to reach edible size 

  • Asian Shore Crab

  • Hemigrapsus sanguineus

This crab is known as an opportunistic omnivore 

  • Atlantic Marsh Fiddler Crab

  • Uca pugnax

Fiddler crabs are found along beaches and mud flats 

  • Atlantic Mud Crab

  • Panopeus herbstii

 

  • Blue Crab

  • Callinectes sapidus

Callinectes sapidus means Beautiful swimmer that is savory 

  • Flatback Mud Crab

  • Eurypanopeus depressus

 

  • Flatclaw Hermit Crab

  • Pagurus pollicaris

 

  • Green Crab

  • Carcinus maenas

 

  • Harris Mud Crab

  • Rithropanopeus harisii

 

  • Horseshoe Crab

  • Limulus polyphemus

 

  • Lady Crab

  • Ovalipes ocellatus

 

  • Long-clawed Hermit Crab

  • Pagurus longicarpus

 

  • Mantis Shrimp

  • Squilla empusa

 

  • Pea Crab

  • Pinnotheres pisum

 

  • Purple Marsh Crab

  • Sesarma reticulatum

 

  • Rock Crab

  • Cancer irroratus

 

  • Sand Shirmp

  • Crangon septemspinosa

 

  • Say's Mud Crab

  • Dyspanopeus sayi

 

  • Shore Shrimp

  • Palaemonetes vulgaris

 

  • Spider Crab

  • Libinia emarginata, L. dubia

 


Miscellaneous  HideShow

  • Boring Sponge

  • Cliona species

 

  • Bread Crumb Sponge

  • Halichondria bowerbanki

 

  • Club Hydroid

  • Clava multicornis

 

  • Common Sea Star

  • Asterias forbesi

 

  • Golden Star Tunicate

  • Botryllus schlosseri

 

  • Invasive Club Tunicate

  • Styela clava

 

  • Red Beard Sponge

  • Microciona prolifera

 

  • Sea Grape

  • Molgula manhattensis

 

  • Single-horn Bryozoan

  • Schizoporella unicornis

 


Molluscs  HideShow

  • Atlantic Oyster Drill

  • Urosalpinx cinerea

In Phylum Mollusca, no two organisms have identical shells. 

  • Atlantic Slipper Snail

  • Crepidula fornicata

 

  • Blue Mussel

  • Mytilus edulis

 

  • Channeled Whelk

  • Busycon canaliculatum

 

  • Common Periwinkle

  • Littorina littorea

 

  • Dogwinkle

  • Thais lapillus

 

  • Dwarf Surf Clam

  • Mulinia lateralis

 

  • Eastern Mudsnail (Mud Dog Whelk)

  • Ilyanassa obsoleta

 

  • Eastern Oyster

  • Crassostrea virginica

 

  • File Yoldia

  • Yolida limatula

 

  • Hard Shell Clam (Quahog)

  • Mercinaria mercinaria

 

  • Northern Moon Snail

  • Lunatia heros

 

  • Ribbed Mussel

  • Modiolus demissus

 

  • Rough periwinkle

  • Littorina saxatilis

 

  • Soft-Shell Clam

  • Mya arenaria

 

Vertebrates  HideShow


Birds  HideShow

  • Bald Eagle

  • Haliaeetus leucocephalus

 

  • Belted King Fisher

  • Ceryle alcyon

 

  • Common Tern

  • Sterna hirundo

 

  • Double-crested Cormorant

  • Phalacrocorax auritus

 

  • Great Blue Heron

  • Ardea Herodias

 

  • Great Egret

  • Casmerodius albus

 

  • Herring Gull

  • Larus argentatus

 

  • Mallard

  • Anas platyrhynchos

 

  • Osprey

  • Pandion haliaetus

 

  • Piping Plover

  • Charadrius melodus

 

  • Red-Winged Blackbird

  • Agelaius phoeniceus

 

  • Snowy Egret

  • Egretta thula

 


Fish  HideShow

  • Alewife

  • Alosa pseudoharengus

 

  • American Eel

  • Anguilla rostrata

 

  • Atlantic Herring

  • Clupea harengus

 

  • Atlantic Menhaden

  • Brevoortia tyrannus

 

  • Atlantic Silverside

  • Menidia menidia

 

  • Atlantic Tomcod

  • Microgadus tomcod

 

  • Banded Killifish

  • Fundulus diaphanus

 

  • Bay Anchovy

  • Anchoa mitchilli

 

  • Black Sea Bass

  • Centropristis striata

 

  • Bluefish

  • Pomatomus saltatrix

 

  • Cunner

  • Tautogolabrus adspersus

 

  • Feather Blenny

  • Hypsoblennius hentz

 

  • Fourspine Stickleback

  • Apeltes quadracus

 

  • Goosefish

  • Lophius americanus

 

  • Grubby Sculpin

  • Myoxocephalus aenaeus

 

  • Hogchoker

  • Trinectes maculates

 

  • Lined Seahorse

  • Hippocampus erectus

 

  • Little Skate

  • Raja erinacea

 

  • Mummichog

  • Fundulus heteroclitus

 

  • Naked Goby

  • Gobiosoma bosc

 

  • Northern Pipefish

  • Syngnathus fuscus

 

  • Northern Pufferfish

  • Sphoeroides maculates

 

  • Oyster Toadfish

  • Opsanus tau

 

  • Rainbow Smelt

  • Osmerus mordax

 

  • Rock Gunnel

  • Pholis gunnellus

 

  • Scup

  • Stenotomus chrysops

 

  • Sheepshead minnow

  • Cyprinodon variegatus

 

  • SIlver Perch

  • Bairdiella chrysoura

 

  • Spotfin Butterflyfish

  • Chaetodon ocellatus

 

  • Striped Bass

  • Morone saxatilis

 

  • Striped Killifish

  • Fundulus diaphanous

Characteristic bands are not always expressed in juveniles 

  • Striped Sea Robin

  • Prionotus evolinis

 

  • Summer Founder

  • Paralichthys denatus

 

  • Tautog

  • Tautoga onitis

 

  • Threespine Stickleback

  • Gasterosteus aculeatus

 

  • White Perch

  • Morone Americana

 

  • Windowpane

  • Scopthalmus aquosus

 

  • Winter Flounder

  • Pseudopleuronectes americanus

 

Flora  HideShow


Algae  HideShow

  • Green Hair Weed

  • Chaetomorpha linum

 

  • Greenfleece

  • Codium fragile

also called Dead Man's Fingers 

  • Hollow Green Algae

  • Enteromorpha intestinalis

 

  • Irish Moss

  • Chondrus crispus

 

  • Knotted Wrack

  • Ascophyllum nodosum

 

  • Rockweed

  • Fucus vesiculosus

 

  • Sea Lettuce

  • Ulva lactuca

 

  • Southern Kelp

  • Laminaria agardhii

 

  • Tubed Weeds

  • Polysiphonia lanosa

 


Plant  HideShow

  • Arrow Grass

  • Triglochin maritima

 

  • Beaked Spikerush

  • Eleocharis rostellata

 

  • Black rush, Blackgrass

  • Juncus gerardii

First marsh species to turn green in late spring. 

  • Common Reed

  • Phragmites australis

 

  • Creeping Bentgrass

  • Agrostis stolonifera

 

  • Glasswort

  • Salicornia depressa

 

  • Goundsel tree

  • Baccharis halimifolia

 

  • Herbaceous Seepweed

  • Suaeda maritima

 

  • Marsh Elder

  • Iva frutescens

 

  • Narrowleaf Cattail

  • Typha angustifolia

 

  • Orach

  • Atriplex patula

 

  • Pink Gerardia

  • Agalinis maritima

 

  • Rosemallow

  • Hibiscus moscheutos

 

  • Salt Marsh Fleabane

  • Pluchea odorata

 

  • Saltmarsh Bulrush

  • Schoenoplectus robustus

 

  • Saltmeadow Cordgrass

  • Spartina patens

 

  • Sea Lavender

  • Limonium carolinianum

 

  • Seaside Goldenrod

  • Solidago sempervirens

 

  • Seaside Plantain

  • Plantago maritima

 

  • Smooth Cordgrass

  • Spartina alterniflora

 

  • Spikegrass

  • Distichlis spicata

 

  • Switchgrass

  • Panicum virgatum

 

  • Waterhemp

  • Amaranthus cannabinus