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Maryland Checklist - Order: Decapoda - all-time (Total: 135)
Filter by tag...
Show All
Adventive
\n
Coastal Plain only
\n
Endangered (Federal)
\n
Endangered (MD)
\n
Excluded
\n
Exotic
\n
Extinct
\n
Extirpated
\n
Extralimital
\n
G1 (Highly globally rare)
\n
G1G2 (Highly globally rare)
\n
G2 (Globally rare)
\n
G2G3 (Globally rare)
\n
G3 (Globally rare/local)
\n
G3G4 (Globally vulnerable)
\n
G4
\n
G4G5
\n
G5
\n
Garrett only
\n
GH (No known extant occurrences)
\n
GU (Global status uncertain)
\n
Hybrid
\n
In need of conservation
\n
Invasive
\n
Nativity Uncertain
\n
Non-native
\n
Reviewable (MD/DCRC)
\n
S1 (Highly state rare)
\n
S1B (Highly state rare breeder)
\n
S1M (State rare migrant)
\n
S1N (State rare non-breeder)
\n
S1S2 (Highly state rare)
\n
S1S2B (State rare breeder)
\n
S2 (State rare)
\n
S2B (State rare breeder)
\n
S2B (State rare breeder)
\n
S2S3 (State rare)
\n
S2S3B (State rare breeder)
\n
S3 (Watch list)
\n
S3B (State watchlist breeder)
\n
S3S4
\n
S3S4B (State watchlist breeder)
\n
S4SE
\n
SH (Historical)
\n
SHB (State historical breeder)
\n
SR (State rare)
\n
Status Uncertain
\n
SUB (Status uncertain breeder)
\n
SXB (State extirpated breeder)
\n
SXM (State extirpated migrant)
\n
Threatened (Federal)
\n
Threatened (MD)
\n
Undescribed
\n
Vulnerable
\n
Waif
\n
Western MD only
\n
Worcester only
\n
Photos
Common Name
Genus
Species
Records  
Category
Family
Order
Class
Kingdom
1
Atlantic Rock Crab
Cancer
irroratus
13
Crabs
Cancridae
Decapoda
Malacostraca
Animalia
2
Bathyal Swimming Crab
Bathynectes
longispina
0
Crabs
Portunidae
Decapoda
Malacostraca
Animalia
3
Arctic Lyre Crab
Hyas
coarctatus
0
Crabs
Oregoniidae
Decapoda
Malacostraca
Animalia
4
Red-jointed Fiddler Crab
Minuca
minax
22
Crabs
Ocypodidae
Decapoda
Malacostraca
Animalia
5
Sargassum Swimming Crab
Portunus
sayi
1
Crabs
Portunidae
Decapoda
Malacostraca
Animalia
6
Asian Shore Crab
Hemigrapsus
sanguineus
9
Crabs
Varunidae
Decapoda
Malacostraca
Animalia
7
Spinous Elbow Crab
Platylambrus
pourtalesii
0
Crabs
Parthenopidae
Decapoda
Malacostraca
Animalia
8
Long-armed Hermit Crab
Pagurus
longicarpus
6
Crabs
Paguridae
Decapoda
Malacostraca
Animalia
9
Atlantic Marsh Fiddler Crab
Minuca
pugnax
14
Crabs
Ocypodidae
Decapoda
Malacostraca
Animalia
10
Striped Porcelain Crab
Porcellana
sigsbeiana
0
Crabs
Porcellanidae
Decapoda
Malacostraca
Animalia
11
Inflated Spiny Crab
Rochinia
crassa
0
Crabs
Pisidae
Decapoda
Malacostraca
Animalia
12
Smooth mud Crab
Hexapanopeus
angustifrons
1
Crabs
Panopeidae
Decapoda
Malacostraca
Animalia
13
Banded Hermit Crab
Pagurus
annulipes
0
Crabs
Paguridae
Decapoda
Malacostraca
Animalia
14
Purple Marsh Crab
Sesarma
reticulatum
1
Crabs
Sesarmidae
Decapoda
Malacostraca
Animalia
15
Norway King Crab
Lithodes
maja
0
Crabs
Lithodidae
Decapoda
Malacostraca
Animalia
16
Broad-backed Sumo Crab
Ethusa
microphthalma
0
Crabs
Dorippidae
Decapoda
Malacostraca
Animalia
17
Gulf Grassflat Crab
Dyspanopeus
texanus
0
Crabs
Panopeidae
Decapoda
Malacostraca
Animalia
18
Atlantic Sand Crab
Emerita
talpoida
77
Crabs
Hippidae
Decapoda
Malacostraca
Animalia
19
Coralthicket Hermit
Goreopagurus
piercei
0
Crabs
Paguridae
Decapoda
Malacostraca
Animalia
20
Gulfweed Crab
Planes
minutus
0
Crabs
Grapsidae
Decapoda
Malacostraca
Animalia
21
Harris's Mud Crab
Rhithropanopeus
harrisii
57
Crabs
Panopeidae
Decapoda
Malacostraca
Animalia
22
Speckled Purse Crab
Persephona
aquilonaris
9
Crabs
Leucosiidae
Decapoda
Malacostraca
Animalia
23
Long-nosed Spider Crab
Libinia
dubia
3
Crabs
Epialtidae
Decapoda
Malacostraca
Animalia
24
No Common Name
Pagurus
politus
0
Crabs
Paguridae
Decapoda
Malacostraca
Animalia
25
No Common Name
Euprognatha
rastellifera
0
Crabs
Inachidae
Decapoda
Malacostraca
Animalia
26
Tube Pea Crab
Pinnixa
chaetopterana
0
Crabs
Pinnotheridae
Decapoda
Malacostraca
Animalia
27
Speckled Swimming Crab
Arenaeus
cribrarius
2
Crabs
Portunidae
Decapoda
Malacostraca
Animalia
28
No Common Name
Parapagurus
pilosimanus
0
Crabs
Parapaguridae
Decapoda
Malacostraca
Animalia
29
Five-spined Purse Crab
Myropsis
quinquespinosa
0
Crabs
Leucosiidae
Decapoda
Malacostraca
Animalia
30
No Common Name
Pinnixa
retinens
0
Crabs
Pinnotheridae
Decapoda
Malacostraca
Animalia
31
Lesser Blue Crab
Callinectes
similis
3
Crabs
Portunidae
Decapoda
Malacostraca
Animalia
32
No Common Name
Homola
barbata
0
Crabs
Homolidae
Decapoda
Malacostraca
Animalia
33
Daddy-longlegs Crab
Latreillia
manningi
0
Crabs
Latreillidae
Decapoda
Malacostraca
Animalia
34
Atlantic Ghost Crab
Ocypode
quadrata
92
Crabs
Ocypodidae
Decapoda
Malacostraca
Animalia
35
Ocellate Lady Crab
Ovalipes
ocellatus
60
Crabs
Portunidae
Decapoda
Malacostraca
Animalia
36
Flame Box Crab
Calappa
flammea
0
Crabs
Calappidae
Decapoda
Malacostraca
Animalia
37
Smooth Elbow Crab
Heterocrypta
granulata
0
Crabs
Parthenopidae
Decapoda
Malacostraca
Animalia
38
Olive-pit Porcelain Crab
Euceramus
praelongus
1
Crabs
Porcellanidae
Decapoda
Malacostraca
Animalia
39
Atlantic Sand Fiddler Crab
Leptuca
pugilator
6
Crabs
Ocypodidae
Decapoda
Malacostraca
Animalia
40
Eastern Tube Crab
Polyonyx
gibbesi
0
Crabs
Porcellanidae
Decapoda
Malacostraca
Animalia
41
Blotched Swimming Crab
Portunus
spinimanus
1
Crabs
Portunidae
Decapoda
Malacostraca
Animalia
42
Squatter Pea Crab
Tumidotheres
maculatus
0
Crabs
Pinnotheridae
Decapoda
Malacostraca
Animalia
43
Delicate Stilt Crab
Palicus
gracilis
0
Crabs
Palicidae
Decapoda
Malacostraca
Animalia
44
Acadian Hermit Crab
Pagurus
acadianus
0
Crabs
Paguridae
Decapoda
Malacostraca
Animalia
45
Square-backed Marsh Crab
Armases
cinereum
19
Crabs
Sesarmidae
Decapoda
Malacostraca
Animalia
46
Thin-striped Hermit
Clibanarius
vittatus
5
Crabs
Diogenidae
Decapoda
Malacostraca
Animalia
47
Coursehand Lady Crab
Ovalipes
stephensoni
0
Crabs
Portunidae
Decapoda
Malacostraca
Animalia
48
Jonah Crab
Cancer
borealis
0
Crabs
Cancridae
Decapoda
Malacostraca
Animalia
49
Chinese Mitten Crab
Eriocheir
sinensis
2
Crabs
Varunidae
Decapoda
Malacostraca
Animalia
50
Flat-clawed Hermit Crab
Pagurus
pollicaris
3
Crabs
Paguridae
Decapoda
Malacostraca
Animalia
51
No Common Name
Catapagurus
gracilis
0
Crabs
Paguridae
Decapoda
Malacostraca
Animalia
52
Cryptic Teardrop Crab
Pelia
mutica
0
Crabs
Pisidae
Decapoda
Malacostraca
Animalia
53
Flat-backed Mud Crab
Eurypanopeus
depressus
4
Crabs
Panopeidae
Decapoda
Malacostraca
Animalia
54
No Common Name
Libinia
sp.
3
Crabs
Epialtidae
Decapoda
Malacostraca
Animalia
55
Calico Box Crab
Hepatus
epheliticus
0
Crabs
Hepatidae
Decapoda
Malacostraca
Animalia
56
No Common Name
Pagurus
arcuatus
0
Crabs
Paguridae
Decapoda
Malacostraca
Animalia
57
Thorned Spiny Crab
Rochinia
tanneri
0
Crabs
Pisidae
Decapoda
Malacostraca
Animalia
58
Say's Mud Crab
Dyspanopeus
sayi
1
Crabs
Panopeidae
Decapoda
Malacostraca
Animalia
59
Portly Spider Crab
Libinia
emarginata
3
Crabs
Epialtidae
Decapoda
Malacostraca
Animalia
60
No Common Name
Pagurus
pubescens
0
Crabs
Paguridae
Decapoda
Malacostraca
Animalia
61
Red Deepsea Crab
Chaceon
quinquedens
0
Crabs
Geryonidae
Decapoda
Malacostraca
Animalia
62
Atlantic Mud Crab
Panopeus
herbstii
5
Crabs
Panopeidae
Decapoda
Malacostraca
Animalia
63
Atlantic Blue Crab
Callinectes
sapidus
328
Crabs
Portunidae
Decapoda
Malacostraca
Animalia
64
No Common Name
Sympagurus
pictus
0
Crabs
Parapaguridae
Decapoda
Malacostraca
Animalia
65
No Common Name
Collodes
robustus
0
Crabs
Inachidae
Decapoda
Malacostraca
Animalia
66
Oyster Pea Crab
Zaops
ostreum
0
Crabs
Pinnotheridae
Decapoda
Malacostraca
Animalia
67
Green Crab
Carcinus
maenas
16
Crabs
Portunidae
Decapoda
Malacostraca
Animalia
68
Gladiator Box Crab
Acanthocarpus
alexandri
0
Crabs
Calappidae
Decapoda
Malacostraca
Animalia
69
Red Arrow Crab
Stenorhynchus
yangi
0
Crabs
Inachidae
Decapoda
Malacostraca
Animalia
70
No Common Name
Pinnixa
cylindrica
0
Crabs
Pinnotheridae
Decapoda
Malacostraca
Animalia
71
Iridescent Swimming Crab
Portunus
gibbesii
0
Crabs
Portunidae
Decapoda
Malacostraca
Animalia
72
Sand-dollar Pea Crab
Dissodactylus
mellitae
0
Crabs
Pinnotheridae
Decapoda
Malacostraca
Animalia
73
Mottled Purse Crab
Persephona
mediterranea
0
Crabs
Leucosiidae
Decapoda
Malacostraca
Animalia
74
No Common Name
Pinnixa
sayana
0
Crabs
Pinnotheridae
Decapoda
Malacostraca
Animalia
1
Acuminate Crayfish
Cambarus
acuminatus
13
Crayfish
Cambaridae
Decapoda
Malacostraca
Animalia
2
Appalachian Brook Crayfish
Cambarus
carinirostris
11
Crayfish
Cambaridae
Decapoda
Malacostraca
Animalia
3
Upland Burrowing Crayfish
Cambarus
dubius
11
Crayfish
Cambaridae
Decapoda
Malacostraca
Animalia
4
Digger Crayfish
Creaserinus
fodiens
13
Crayfish
Cambaridae
Decapoda
Malacostraca
Animalia
5
Allegheny Crayfish
Faxonius
obscurus
31
Crayfish
Cambaridae
Decapoda
Malacostraca
Animalia
6
Virile Crayfish
Faxonius
virilis
40
Crayfish
Cambaridae
Decapoda
Malacostraca
Animalia
7
Red Swamp Crayfish
Procambarus
clarkii
50
Crayfish
Cambaridae
Decapoda
Malacostraca
Animalia
8
Common Crayfish
Cambarus
bartonii
62
Crayfish
Cambaridae
Decapoda
Malacostraca
Animalia
9
Devil Crayfish
Lacunicambarus
diogenes
39
Crayfish
Cambaridae
Decapoda
Malacostraca
Animalia
10
Little Brown Mudbug
Lacunicambarus
thomai
1
Crayfish
Cambaridae
Decapoda
Malacostraca
Animalia
11
Spiny-cheeked Crayfish
Faxonius
limosus
37
Crayfish
Cambaridae
Decapoda
Malacostraca
Animalia
12
Rusty Crayfish
Faxonius
rusticus
17
Crayfish
Cambaridae
Decapoda
Malacostraca
Animalia
13
White River Crayfish
Procambarus
acutus
23
Crayfish
Cambaridae
Decapoda
Malacostraca
Animalia
14
Southern White River Crayfish
Procambarus
zonangulus
4
Crayfish
Cambaridae
Decapoda
Malacostraca
Animalia
1
American Lobster
Homarus
americanus
1
Lobsters
Nephropidae
Decapoda
Malacostraca
Animalia
2
No Common Name
Agononida
longipes
0
Lobsters
Galatheidae
Decapoda
Malacostraca
Animalia
3
No Common Name
Munida
valida
0
Lobsters
Galatheidae
Decapoda
Malacostraca
Animalia
4
Florida Lobsterette
Nephropsis
aculeata
0
Lobsters
Nephropidae
Decapoda
Malacostraca
Animalia
5
No Common Name
Munida
iris
0
Lobsters
Galatheidae
Decapoda
Malacostraca
Animalia
1
Peppermint Shrimp
Lysmata
wurdemanni
1
Shrimp
Hippolytidae
Decapoda
Malacostraca
Animalia
2
Pink Shrimp
Farfantepenaeus
duorarum
0
Shrimp
Penaeidae
Decapoda
Malacostraca
Animalia
3
No Common Name
Axius
serratus
0
Shrimp
Axiidae
Decapoda
Malacostraca
Animalia
4
Bristled Longbeak
Dichelopandalus
leptocerus
0
Shrimp
Pandalidae
Decapoda
Malacostraca
Animalia
5
Estuarine Longeye Shrimp
Ogyrides
alphaerostris
0
Shrimp
Ogyrididae
Decapoda
Malacostraca
Animalia
6
No Common Name
Plesionika
tenuipes
0
Shrimp
Pandalidae
Decapoda
Malacostraca
Animalia
7
Daggerblade Grass Shrimp
Palaemon
pugio
11
Shrimp
Palaemonidae
Decapoda
Malacostraca
Animalia
8
Oriental Shrimp
Palaemon
macrodactylus
10
Shrimp
Palaemonidae
Decapoda
Malacostraca
Animalia
9
Royal Red Shrimp
Pleoticus
robustus
0
Shrimp
Solenoceridae
Decapoda
Malacostraca
Animalia
10
Circumpolar Eualid
Eualus
gaimardii
0
Shrimp
Hippolytidae
Decapoda
Malacostraca
Animalia
11
Riverine Grass Shrimp
Palaemon
paludosus
5
Shrimp
Palaemonidae
Decapoda
Malacostraca
Animalia
12
Deep Water Rose Shrimp
Parapenaeus
politus
0
Shrimp
Penaeidae
Decapoda
Malacostraca
Animalia
13
No Common Name
Lucifer
typus
0
Shrimp
Luciferidae
Decapoda
Malacostraca
Animalia
14
Zostera Shrimp
Hippolyte
zostericola
0
Shrimp
Hippolytidae
Decapoda
Malacostraca
Animalia
15
Rough-necked Shrimp
Rimapenaeus
constrictus
2
Shrimp
Penaeidae
Decapoda
Malacostraca
Animalia
16
Sars Shrimp
Sabinea
sarsii
0
Shrimp
Crangonidae
Decapoda
Malacostraca
Animalia
17
Brown Grass Shrimp
Leander
tenuicornis
0
Shrimp
Palaemonidae
Decapoda
Malacostraca
Animalia
18
Big-clawed Snapping Shrimp
Alpheus
heterochaelis
0
Shrimp
Alpheoidea
Decapoda
Malacostraca
Animalia
19
Bigclaw Hippolyte
Caridion
gordoni
0
Shrimp
Hippolytidae
Decapoda
Malacostraca
Animalia
20
No Common Name
Axius
armatus
0
Shrimp
Axiidae
Decapoda
Malacostraca
Animalia
21
Coastal Mud Shrimp
Upogebia
affinis
1
Shrimp
Upogebiidae
Decapoda
Malacostraca
Animalia
22
Cerulean Sargassum Shrimp
Hippolyte
coerulescens
0
Shrimp
Hippolytidae
Decapoda
Malacostraca
Animalia
23
Polar Lebbeid
Lebbeus
polaris
0
Shrimp
Hippolytidae
Decapoda
Malacostraca
Animalia
24
Northern Brown Shrimp
Farfantepenaeus
aztecus
12
Shrimp
Penaeidae
Decapoda
Malacostraca
Animalia
25
Arrow Shrimp
Tozeuma
carolinense
2
Shrimp
Hippolytidae
Decapoda
Malacostraca
Animalia
26
Northern White Shrimp
Litopenaeus
setiferus
22
Shrimp
Penaeidae
Decapoda
Malacostraca
Animalia
27
Giant Red Shrimp
Aristaeomorpha
foliacea
0
Shrimp
Aristeidae
Decapoda
Malacostraca
Animalia
28
Golden Shrimp
Plesionika
martia
0
Shrimp
Pandalidae
Decapoda
Malacostraca
Animalia
29
Brackish Grass Shrimp
Palaemon
mundusnovus
0
Shrimp
Palaemonidae
Decapoda
Malacostraca
Animalia
30
Pink-speckled Shrimp
Penaeopsis
serrata
0
Shrimp
Penaeidae
Decapoda
Malacostraca
Animalia
31
No Common Name
Pontophilus
brevirostris
0
Shrimp
Crangonidae
Decapoda
Malacostraca
Animalia
32
Marsh Grass Shrimp
Palaemon
vulgaris
2
Shrimp
Palaemonidae
Decapoda
Malacostraca
Animalia
33
No Common Name
Hadropenaeus
modestus
0
Shrimp
Penaeidae
Decapoda
Malacostraca
Animalia
34
No Common Name
Lucifer
faxoni
0
Shrimp
Luciferidae
Decapoda
Malacostraca
Animalia
35
False Zostera Shrimp
Hippolyte
pleuracanthus
0
Shrimp
Hippolytidae
Decapoda
Malacostraca
Animalia
36
No Common Name
Bythocaris
nana
0
Shrimp
Hippolytidae
Decapoda
Malacostraca
Animalia
37
Sand Shrimp
Crangon
septemspinosa
5
Shrimp
Crangonidae
Decapoda
Malacostraca
Animalia
38
Doll Eualid
Eualus
pusiolus
0
Shrimp
Hippolytidae
Decapoda
Malacostraca
Animalia
39
Seven-lined Shrimp
Sabinea
septemcarinata
0
Shrimp
Crangonidae
Decapoda
Malacostraca
Animalia
40
Slender Sargassum Shrimp
Latreutes
fucorum
0
Shrimp
Hippolytidae
Decapoda
Malacostraca
Animalia
41
No Common Name
Naushonia
crangonoides
0
Shrimp
Laomediidae
Decapoda
Malacostraca
Animalia
42
Ghost Shrimp
Gilvossius
setimanus
0
Shrimp
Callianassidae
Decapoda
Malacostraca
Animalia
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