Bioregion Description
NEA-III None
NEA-V None
NEA-IV None
NEA-II None
MED-I None
MED-II None
MED-III None
MED-VII None
MED-IV None
MED-VI None
MED-V None
MED-VIII None
MED-IX None
MED-X None
NA-ET3 Cape Cod to Cape Hatteras
NA-ET2 Bay of Fundy to Cape Cod
NA-ET1 Gulf of St. Lawrence to Bay of Fundy
NA-S2 None
NA-S3 None
NA-P4 None
NA-P3 None
NA-P2 None
NA-P1 None
CAR-VII Cape Hatteras to Mid-East Florida
CAR-I Northern Yucatan, Gulf of Mexico, Florida Straits, to Middle Eastern Florida
CAR-V None
CAR-IV None
CAR-III None
CAR-VI None
CAR-II None
B-I None
B-II None
B-IV None
B-VI None
B-III None
B-V None
B-VII None
B-VIII None
B-IX None
B-XII None
B-XIII None
B-X None
B-XI None
WA-I None
WA-II None
WA-III None
WA-IV None
WA-V None
SA-III None
SA-II None
SA-I None
SA-IV None
CIO-I None
CIO-II None
CIO-III None
CIO-IV None
CIO-V None
CIO-VI None
RS-3 None
RS-2 None
RS-1 None
GAden Gulf of Aden
OM None
IP-1 None
AG-1 None
AG-2 None
AG-3 None
AG-4 None
AG-5 None
EA-II None
EA-IV None
EA-III None
EA-V None
EAS-I None
EAS-II None
EAS-III None
EAS-IV None
EAS-V None
EAS-VI None
EAS-VII None
EAS-VIII None
NEP-I Alaska north of the Aleutians
NA-S1 None
NEP-II Alaska south of the Aleutians to the Alaskan panhandle
NEP-III Alaskan panhandle to N. of Puget Sound
NEP-IV Puget Sound to Northern California
NEP-V Northern California to Mid Channel Islands
NEP-VI Pt. Conception to Southern Baja California
NEP-VII None
NEP-VIII None
NEP-IX None
NWP-6 None
NWP-5 None
NWP-4b None
NWP-3b None
NWP-4a None
NWP-2 None
NWP-1 None
AUS-I None
AUS-II None
AUS-III None
AUS-IV None
AUS-V None
AUS-VI None
AUS-VII None
AUS-VIII None
AUS-IX None
AUS-X None
AUS-XI None
AUS-XII None
AUS-XIII None
AUS-XIV None
AUS-XV None
AUS-XVI None
AUS-XVII None
AUS-XVIII None
AUS-XIX None
NZ-I None
NZ-II None
NZ-VI None
NZ-VII None
NZ-VIII None
NZ-V None
SEP-H None
SEP-I None
SEP-C None
SEP-B None
SEP-A' None
SEP-A None
SP-XII None
SP-XIII None
SP-I None
SP-II None
SP-IV None
SP-V None
SP-III None
SP-VII None
SP-XI None
SP-XIV None
SP-IX None
SP-VIII None
SP-XVI None
SP-XIX None
SP-XVIII None
SP-XX None
NWP-3a None
AR-I None
AR-II None
AR-III None
AR-IV None
AR-V None
NZ-IV None
SP-XXI None
SEP-Z None
NEA-VI None
NA-ET4 Bermuda
WA-VI None
ANT-NZ None
ANT-NOR None
ANT-AR2 None
ANT-ARG2 None
ANT-CH2 None
ANT-BAT1 None
ANT-CH1 None
ANT-AU2 None
ANT-FR None
ANT-BAT2 None
ANT-AU1 None
GL-I Lakes Huron, Superior and Michigan
GL-II Lake Erie
GL-III Lake Ontario
GRSALTLK Great Salt Lake
CASP Caspian Sea
VANERN Vanern
FOXEBASIN Foxe Basin
ARAL Aral Sea
LONEGA Lake Onega
GBEARL Great Bear Lake
ISSYK Issyk Kul
LCOCIB Lake Cocibolca
LCHAD Lake Chad
LTANA Lake Tana
LNIPIGON Lake Nipigon
LMANIT Lake Manitoba
LWINNIPOG Lake Winnipogosis
LRUDOLF Lake Rudolf
CEDARL Cedar Lake
LVICT Lake Victoria
QINGHAI Qinghai
REINDEER Reindeer Lake
LWINNI Lake Winnipeg
LATHAB Lake Athabasca
LLODOGA Lake Ladoga
LBALKH Lake Balkhash
GSLAVEL Great Slave Lake
LTANGA Lake Tanganyika
LALBERT Lake Albert
LBAIKAL Lake Baikal
LURMIA Lake Urmia
LTITIC Lake Titicaca
LMALAWI Lake Nysasa (Lake Malawi)
G010 Florida Bay
G020 South Ten Thousand Islands
G030 North Ten Thousand Islands
G033 _CDA_G033 (Big Cypress Swamp)
G036 _CDA_G036 (Big Cypress Swamp)
G040 Rookery Bay
G045 _CDA_G045 (Big Cypress Swamp)
G050 Charlotte Harbor
G053 _CDA_G053 (Charlotte Harbor)
G056 _CDA_G056 (Sarasota Bay)
G060 Sarasota Bay
G065 _CDA_G065 (Sarasota Bay)
G070 Tampa Bay
G072 _CDA_G072 (Tampa Bay)
G074 _CDA_G074 (Crystal-Pithlachascotee)
G076 _CDA_G076 (Withlachoochee)
G078 _CDA_G078 (Waccasassa)
G080 Suwannee River
G083 _CDA_G083 (Waccasassa)
G086 _CDA_G086 (Econfina-Steinhatchee)
G090 Apalachee Bay
G095 _CDA_G095 (New)
G100 Apalachicola Bay
G102 _CDA_G102 (Apalachicola Bay)
G105 _CDA_G105 (New)
G108 _CDA_G108 (St. Andrew-St. Joseph Bays)
G110 St. Andrew Bay
G112 _CDA_G112 (St. Andrew-St. Joseph Bays)
G115 _CDA_G115 (St. Andrew-St. Joseph Bays)
G118 _CDA_G118 (Choctawatchee Bay)
G120 Choctawhatchee Bay
G125 _CDA_G125 (Pensacola Bay)
G130 Pensacola Bay
G135 _CDA_G135 (Perdido Bay)
G140 Perdido Bay
G145 _CDA_G145 (Perdido Bay)
G150 Mobile Bay
G155 _CDA_G155 (Mississippi Coastal)
G160 East Mississippi Sound
G165 _CDA_G165 (Mississippi Coastal)
G170 West Mississippi Sound
G175 _CDA_G175 (Mississippi Coastal)
G180 Breton/Chandeleur Sound
G185 _CDA_G185 (Eastern Louisiana Coastal)
G190 Mississippi River
G195 _CDA_G195 (East Central Louisiana Coastal)
G200 Barataria Bay
G205 _CDA_G205 (East Central Louisiana Coastal)
G210 Terrebonne/Timbalier Bays
G215 _CDA_G215 (West Central Louisiana Coastal)
G220 Atchafalaya/Vermilion Bays
G222 _CDA_G222 (West Central Louisiana Coastal)
G223 _CDA_G223 (Vermilion)
G226 _CDA_G226 (Mermentau)
G230 Mermentau River
G240 Calcasieu Lake
G245 _CDA_G245 (Lower Calcasieu)
G250 Sabine Lake
G255 _CDA_G255 (Sabine Lake)
G260 Galveston Bay
G262 _CDA_G262 (East Galveston Bay)
G265 _CDA_G265 (West Galveston Bay)
G268 _CDA_G268 (Austin-Oyster)
G270 Brazos River
G273 _CDA_G273 (San Bernard)
G276 _CDA_G276 (East Matagorda)
G280 Matagorda Bay
G283 _CDA_G283 (East Matagorda Bay)
G286 _CDA_G286 (Central Matagorda Bay)
G290 San Antonio Bay
G295 _CDA_G295 (East San Antonio Bay)
G300 Aransas Bay
G305 _CDA_G305 (Aransas)
G310 Corpus Christi Bay
G313 _CDA_G313 (South Corpus Christi Bay)
G316 _CDA_G316 (North Corpus Christi Bay)
G320 Upper Laguna Madre
G325 _CDA_G325 (Central Laguna Madre)
G330 Lower Laguna Madre
G332 _CDA_G332 (Central Laguna Madre)
G335 _CDA_G335 (South Laguna Madre)
G338 _CDA_G338 (South Laguna Madre)
G339 _CDA_G339 (South Laguna Madre)
G340 Rio Grande
L011 _CDA_L011 (Baptism-Brule)
L012 _CDA_L012 (Beaver-Lester)
L013 _CDA_L013 (St. Louis River)
L014 _CDA_L014 (Beartrap-Nemadji)
L015 _CDA_L015 (Bad-Montreal)
L016 _CDA_L016 (Black-Presque Isle)
L017 _CDA_L017 (Ontonagon)
L018 _CDA_L018 (Portage River)
L019 _CDA_L019 (Dead-Kelsey)
L020 _CDA_L020 (Betsy-Chocolay)
L021 _CDA_L021 (Tahquamenon)
L022 _CDA_L022 (Waiska)
L031 _CDA_L031 (Brevoort-Millecoquins)
L032 _CDA_L032 (Manistique)
L033 _CDA_L033 (Fishdam-Sturgeon)
L034 _CDA_L034 (Tacoosh-Whitefish)
L035 _CDA_L035 (Escanaba)
L036 _CDA_L036 (Tacoosh-Whitefish)
L037 _CDA_L037 (Cedar-Ford)
L038 _CDA_L038 (Menominee River)
L039 _CDA_L039 (Peshtigo)
L040 _CDA_L040 (Oconto)
L041 _CDA_L041 (Duck-Pensaukee)
L042 _CDA_L042 (Fox River)
L043 _CDA_L043 (Door-Kewaunee)
L044 _CDA_L044 (Manitowoc-Sheboygan)
L045 _CDA_L045 (Milwaukee)
L046 _CDA_L046 (Pike-Root)
L047 _CDA_L047 (Little Calumet-Galien)
L048 _CDA_L048 (St. Joseph)
L049 _CDA_L049 (Black-Macatawa)
L050 _CDA_L050 (Kalamazoo)
L051 _CDA_L051 (Black-Macatawa)
L052 _CDA_L052 (Grand River)
L053 _CDA_L053 (Pere Marquette-White)
L054 _CDA_L054 (Muskegon)
L055 _CDA_L055 (Pere Marquette-White)
L056 _CDA_L056 (Manistee)
L057 _CDA_L057 (Betsie Platte)
L058 _CDA_L058 (Boardman-Charlevoix)
L061 _CDA_L061 (St. Marys)
L062 _CDA_L062 (Carp-Pine)
L063 _CDA_L063 (Lone Lake-Ocqueoc)
L064 _CDA_L064 (Cheboygan River)
L065 _CDA_L065 (Lone Lake-Ocqueoc)
L066 _CDA_L066 (Thunder Bay)
L067 _CDA_L067 (Lone Lake-Ocqueoc)
L068 _CDA_L068 (Au Sable)
L069 _CDA_L069 (Au Gres-Rifle)
L070 _CDA_L070 (Kawkawlin-Pine)
L071 _CDA_L071 (Saginaw River)
L072 _CDA_L072 (Pigeon-Wiscoggin)
L073 _CDA_L073 (Birch-Willow)
L081 _CDA_L081 (St. Clair)
L082 _CDA_L082 (Lake St. Clair)
L083 _CDA_L083 (Clinton)
L084 _CDA_L084 (Lake St. Clair)
L085 _CDA_L085 (Detroit)
L086 _CDA_L086 (Huron)
L091 _CDA_L091 (Ottawa-Stony)
L092 _CDA_L092 (Raisin)
L093 _CDA_L093 (Ottawa-Stony)
L094 _CDA_L094 (Maumee River)
L095 _CDA_L095 (Cedar-Portage)
L096 _CDA_L096 (Sandusky)
L097 _CDA_L097 (Huron-Vermilion)
L098 _CDA_L098 (Black-Rocky)
L099 _CDA_L099 (Cuyahoga)
L101 _CDA_L101 (Grand)
L102 _CDA_L102 (Ashtabula-Chagrin)
L103 _CDA_L103 (Chautauqua-Connaut)
L104 _CDA_L104 (Cattaraugus)
L105 _CDA_L105 (Buffalo-Eighteenmile)
L106 _CDA_L106 (Niagara)
L111 _CDA_L111 (Oak Orchard-Twelvemile)
L112 _CDA_L112 (Genesee River)
L113 _CDA_L113 (Irondequoit-Ninemile)
L114 _CDA_L114 (Oswego River)
L115 _CDA_L115 (Salmon-Sandy)
L116 _CDA_L116 (Chaumont-Perch)
L117 _CDA_L117 (Black)
L118 _CDA_L118 (Chaumont-Perch)
L121 _CDA_L121 (St. Lawrence River)
L122 _CDA_L122 (Oswegatchie River)
L123 _CDA_L123 (St. Lawrence River)
L124 _CDA_L124 (Grass)
L125 _CDA_L125 (Raquette)
L126 _CDA_L126 (St. Regis)
L127 _CDA_L127 (English-Salmon)
M010 Buzzards Bay
M013 _CDA_M013 (Cape Cod)
M016 _CDA_M016 (Narragansett)
M020 Narragansett Bay
M023 _CDA_M023 (Narragansett)
M026 _CDA_M026 (Pawcatuck-Wood)
M030 Gardiners Bay
M033 _CDA_M033 (Southern Long Island)
M036 _CDA_M036 (Southern Long Island)
M040 Long Island Sound
M045 _CDA_M045 (Southern Long Island)
M050 Great South Bay
M055 _CDA_M055 (Southern Long Island)
M060 Hudson River/Raritan Bay
M065 _CDA_M065 (Middle Delaware-Mongaup-Broadhead)
M070 Barnegat Bay
M073 _CDA_M073 (Mullica-Toms)
M076 _CDA_M076 (Great Egg Harbor)
M080 New Jersey Inland Bays
M085 _CDA_M085 (Great Egg Harbor)
M090 Delaware Bay
M095 _CDA_M095 (Chincoteague)
M100 Delaware Inland Bays
M105 _CDA_M105 (Chincoteague)
M110 Maryland Inland Bays
M120 Chincoteague Bay
M122 _CDA_M122 (Chincoteague)
M125 _CDA_M125 (Chincoteague)
M128 _CDA_M128 (Eastern Lower Delmarva)
M130 Chesapeake Bay
M132 _CDA_M132 (Eastern Lower Delmarva)
M135 _CDA_M135 (Lynhaven-Poquoson)
N010 Passamaquoddy Bay
N016 _CDA_N016 (Maine Coastal)
N020 Englishman/Machias Bay
N025 _CDA_N025 (Maine Coastal)
N030 Narraguagus Bay
N033 _CDA_N033 (Maine Coastal)
N036 _CDA_N036 (Maine Coastal)
N040 Blue Hill Bay
N043 _CDA_N043 (Maine Coastal)
N045 _CDA_N045 (Maine Coastal)
N050 Penobscot Bay
N052 _CDA_N052 (Maine Coastal)
N055 _CDA_N055 (Maine Coastal)
N058 _CDA_N058 (Maine Coastal)
N060 Muscongus Bay
N063 _CDA_N063 (St. George-Sheepscot)
N065 _CDA_N065 (St. George-Sheepscot)
N070 Damariscotta River
N073 _CDA_N073 (St. George-Sheepscot)
N075 _CDA_N075 (St. George-Sheepscot)
N080 Sheepscot Bay
N083 _CDA_N083 (St. George-Sheepscot)
N085 _CDA_N085 (St. George-Sheepscot)
N090 Kennebec/Androscoggin River
N093 _CDA_N093 (St. George-Sheepscot)
N095 _CDA_N095 (St. George-Sheepscot)
N100 Casco Bay
N103 _CDA_N103 (Presumpscot)
N106 _CDA_N106 (Presumpscot)
N110 Saco Bay
N113 _CDA_N113 (Presumpscot)
N116 _CDA_N116 (Piscataqua-Salmon Falls)
N120 Wells Bay
N125 _CDA_N125 (Piscataqua-Salmon Falls)
N130 Great Bay
N133 _CDA_N133 (Piscataqua-Salmon Falls)
N135 _CDA_N135 (Piscataqua-Salmon Falls)
N140 Hampton Harbor
N145 _CDA_N145 (Piscataqua-Salmon Falls)
N150 Merrimack River
N155 _CDA_N155 (Charles)
N160 Plum Island Sound
N165 _CDA_N165 (Charles)
N170 Massachusetts Bay
N175 _CDA_N175 (Cape Cod)
N180 Cape Cod Bay
N185 _CDA_N185 (Cape Cod)
N190 Waquoit Bay
N193 _CDA_N193 (Cape Cod)
N195 _CDA_N195 (Cape Cod)
P010 Tijuana Estuary
P011 _CDA_P011 (Cottonwood-Tiajuana)
P013 _CDA_P013 (Cottonwood-Tiajuana)
P016 _CDA_P016 (San Diego)
P020 San Diego Bay
P022 _CDA_P022 (San Diego)
P023 _CDA_P023 (San Louis Rey-Escondido)
P025 _CDA_P025 (Santa Margarita)
P027 _CDA_P027 (Aliso-San Onofre)
P029 _CDA_P029 (Newport Bay)
P030 Mission Bay
P040 Newport Bay
P042 _CDA_P042 (Newport Bay)
P045 _CDA_P045 (Santa Ana)
P048 _CDA_P048 (Seal Beach)
P050 San Pedro Bay
P053 _CDA_P053 (Santa Monica Bay)
P056 _CDA_P056 (Los Angeles)
P058 _CDA_P058 (San Pedro Channel Islands)
P060 Santa Monica Bay
P061 _CDA_P061 (Los Angeles)
P062 _CDA_P062 (Calleguas)
P063 _CDA_P063 (Santa Clara)
P064 _CDA_P064 (Ventura)
P065 _CDA_P065 (Santa Barbara Channel)
P066 _CDA_P066 (Santa Ynez)
P067 _CDA_P067 (San Antonio)
P068 _CDA_P068 (Santa Maria River)
P069 _CDA_P069 (Central Coastal)
P070 Morro Bay
P073 _CDA_P073 (Central Coastal)
P076 _CDA_P076 (Carmel)
P080 Monterey Bay
P083 _CDA_P083 (San Lorenzo-Soquel)
P086 _CDA_P086 (San Francisco Coastal South)
P090 San Francisco Bay
P093 _CDA_P093 (San Pablo Bay)
P095 _CDA_P095 (Tomales-Drakes Bay)
P100 Drakes Estero
P105 _CDA_P105 (Tomales-Drakes Bay)
P110 Tomales Bay
P111 _CDA_P111 (Tomales-Drakes Bay)
P112 _CDA_P112 (Bodega Bay)
P113 _CDA_P113 (Russian)
P114 _CDA_P114 (Gualala-Salmon)
P116 _CDA_P116 (Big Navaro-Garcia)
P117 _CDA_P117 (Mattole)
P118 _CDA_P118 (Lower Eel)
P120 Eel River
P123 _CDA_P123 (Lower Eel)
P126 _CDA_P126 (Mad-Redwood)
P130 Humboldt Bay
P135 _CDA_P135 (Mad-Redwood)
P140 Klamath River
P143 _CDA_P143 (Smith)
P146 _CDA_P146 (Chetco)
P150 Rogue River
P155 _CDA_P155 (Sixes)
P160 Coquille River
P165 _CDA_P165 (Coos)
P170 Coos Bay
P175 _CDA_P175 (Coos)
P180 Umpqua River
P185 _CDA_P185 (Siltcoos)
P190 Siuslaw River
P195 _CDA_P195 (Alsea)
P200 Alsea River
P205 _CDA_P205 (Alsea)
P210 Yaquina Bay
P215 _CDA_P215 (Siltez-Yaquina)
P220 Siletz Bay
P223 _CDA_P223 (Siltez-Yaquina)
P226 _CDA_P226 (Wilson-Trusk-Nestuccu)
P230 Netarts Bay
P235 _CDA_P235 (Wilson-Trusk-Nestuccu)
P240 Tillamook Bay
P245 _CDA_P245 (Wilson-Trusk-Nestuccu)
P250 Nehalem River
P255 _CDA_P255 (Necanicum)
P260 Columbia River
P265 _CDA_P265 (Willapa)
P270 Willapa Bay
P275 _CDA_P275 (Willapa)
P280 Grays Harbor
P282 _CDA_P282 (Queets-Quinault)
P284 _CDA_P284 (Hoh-Quillayute)
P286 _CDA_P286 (Crescent-Hoko)
P288 _CDA_P288 (Dungeness-Elwha)
P290 Puget Sound
P291 _CDA_P291 (Puget Sound)
P292 _CDA_P292 (San Juan Islands)
P293 _CDA_P293 (Strait of Georgia)
P294 _CDA_P294 (Nooksack)
P296 _CDA_P296 (Strait of Georgia)
P297 _CDA_P297 (Strait of Georgia)
P298 _CDA_P298 (Fraser)
S005 _CDA_S005 (Albemarle)
S010 Albemarle Sound
S013 _CDA_S013 (Pamlico Sound)
S016 _CDA_S016 (Bogue-Core Sounds)
S020 Pamlico Sound
S030 Bogue Sound
S035 _CDA_S035 (Bogue-Core Sounds)
S040 New River
S042 _CDA_S042 (New)
S045 _CDA_S045 (New)
S048 _CDA_S048 (Lower Cape Fear)
S050 Cape Fear River
S053 _CDA_S053 (Lower Cape Fear)
S056 _CDA_S056 (Northeast Cape Fear)
S060 Winyah Bay
S063 _CDA_S063 (Carolina Coastal-Sampit)
S065 _CDA_S065 (Carolina Coastal-Sampit)
S070 North/South Santee Rivers
S073 _CDA_S073 (Santee)
S076 _CDA_S076 (South Carolina Coastal)
S080 Charleston Harbor
S085 _CDA_S085 (South Carolina Coastal)
S090 Stono/North Edisto Rivers
S093 _CDA_S093 (South Carolina Coastal)
S095 _CDA_S095 (Edisto)
S100 St. Helena Sound
S105 _CDA_S105 (Broad-St. Helena)
S110 Broad River
S115 _CDA_S115 (Broad-St. Helena)
S120 Savannah River
S125 _CDA_S125 (Ogeechee Coastal)
S130 Ossabaw Sound
S135 _CDA_S135 (Ogeechee Coastal)
S140 St. Catherines/Sapelo Sounds
S143 _CDA_S143 (Ogeechee Coastal)
S146 _CDA_S146 (Ogeechee Coastal)
S150 Altamaha River
S155 _CDA_S155 (Altamaha)
S160 St. Andrew/St. Simons Sounds
S163 _CDA_S163 (Cumberland-St. Simmons)
S166 _CDA_S166 (Cumberland-St. Simmons)
S170 St. Marys River/Cumberland Sound
S175 _CDA_S175 (Nassau)
S180 St. Johns River
S183 _CDA_S183 (Daytona-St. Augustine)
S186 _CDA_S186 (Cape Canaveral)
S190 Indian River
S193 _CDA_S193 (Vero Beach)
S196 _CDA_S196 (Cape Canaveral)
S200 Biscayne Bay
S203 _CDA_S203 (Cape Canaveral)
S206 _CDA_S206 (Vero Beach)
P081 Elkhorn Slough
PAN_PAC Panama Pacific Coast
PAN_CAR Panama Caribbean Coast
CMAR1 Isla del Coco / Cocos Island
CMAR2 Isla de Coiba / Coiba Island
CMAR3 Isla de Malpelo / Malpelo Island
CMAR4 Isla Gorgona / Gorgona Island