Select a study: Massachusetts Rapid Assessment Survey 2000 Northeast Rapid Assessment Survey 2003 Rhode Island Rapid Assessment Survey 2000 Volunteer Tide Pool Monitoring Program All Select a species: Alcyonidium sp. Amathia vidovici Ascidiella aspersa (European sea squirt, dirty ascidean, European fouling sea squirt) Bonnemaisonia hamifera (Red Algae) Botrylloides violaceus Botryllus schlosseri (Star tunicate) Bowerbankia gracilis Bowerbankia imbricata Bugula neritina (Bryozoan) Bugula simplex Bugula stolonifera Caprella mutica (Skeleton shrimp) Caprella penantis Carcinus maenas (green crab) Ciona intestinalis Cladophora sericea Clytia hemisphaerica Codium fragile (Dead man's fingers) Cordylophora caspia (freshwater hydroid) Cryptosula pallasiana Cthamalus fragilis Cuthona gymnota Diadumene lineata (Orangestriped green anemone) Didemnum lahillei Didemnum sp. Diplosoma listerianum Dynamena pumila Ectopleura larynx Electra pilosa Foraminifora Garveia franciscana Gonothyraea loveni Grateloupia turuturu Halichondria bowerbanki Haliplanella lineata Harmothoe imbricata Hemigrapsus sanguineus (Asian shore crab) Ianiropsis sp. Jaera marina Janua pagenstecheri Laomedea calceolifera Lepidonotus squamatus Leucosolenia sp. Littorina littorea (common periwinkle) Lomentaria clavellosa Lomentaria orcadensis Membranipora membranacea (Lace bryozoan) Microdeutopus gryllotalpa Molgula citrina Molgula manhattensis Molgula provisionalis Neosiphonia harveyi Obelia bidentata Obelia dichotoma Obelia geniculata Obelia longissima Opercularella lacerata Ostrea edulis (Edible Oyster) Pennaria disticha Polysiphonia harveyi (Red Algae) Praunus flexuosus (Opossum shrimp) Sagartia elegans (Purple anemone) Scypha sp. Stenothoe valida Styela canopus magalhaensis (Rough Sea Squirt) Styela clava (Club tunicate) Styela magalhaensis (Rough Sea Squirt) Tanais dulongii=cavolinii Tenellia adspersa Walkeria uva Zoothamnium sp. All Select a year: 2000 2001 2002 2003 All