Home
Vertebrates
All
Amphibians
Birds
Fish
Mammals
Reptiles
Reptiles and Amphibians
Sharks and Rays
Insects
All
Ants
Beetles
Bees
Butterflies
Cicadas
Damselflies
Dragonflies
Dragonflies and Damselflies
Fleas
Flies (Diptera)
Grasshoppers and Crickets
Hornets and Wasps
Katydids
Mosquitoes
Moths
Planthoppers
Robber Flies
Sawflies, Horntails, Wood Wasps
Scale Insects
Stoneflies
Tiger Beetles
Treehoppers
True Bugs (Hemiptera)
Other Invertebrates
Amphipods
Bivalves - Freshwater
Bivalves - Saltwater
Crabs, Lobsters, and Shrimp
Crayfish
Earthworms
Gastropods
Harvestmen
Isopods
Jellyfish
Nematodes
Proturans
Sea Urchins
Spiders
Springtails
Ticks
Plants
Browse by family
Aster Family
Bryophytes
Carnivorous Plants
Clubmosses, Quillworts, Spikemosses
Ferns
Grasses
Iris Family
Milkweed Family
Mosses
Orchids
Pea Family
Rose Family
Sedges and Rushes
Fungi/Other
Algae - Freshwater
Algae - Marine Macroalgae
Algae - Marine Microalgae
Fungi - All
Fungi - Browse by family
Fungi - Ascomycota
Fungi - Basidiomycota
Lichens
Slime Molds
Explore
Bibliography
Maryland Quad Map
Maryland Quad Heat Map
Top 100 Contributors by Species
Top 100 Contributors by Species (2024)
Top 100 Contributors by Records
Recent Discoveries (this month)
iNaturalist Integration Summary
MBP Brochure
Partnerships
Editors
Photographers
Get Involved
FAQs
About Records
Dedication
Links
MBP on Facebook
MBP on Twitter
MBP on Instagram
MBP project at iNaturalist
Share photos on Flickr
MBP Google Group
Maryland Plant Atlas
MD/DCRC Resources
Stewart and Robbins (1958)
eBird
Sites
Andelot Farm
Chino Farms
Dans Rock Bird Count
Fort Smallwood Park
Horn Point Laboratory
Howard County Conservancy
Jemicy School
Rocky Gap State Park
Turkey Point Bird Count
Weinberg Park
Maryland Checklist - Category: Shrimp, Crabs - all-time (Total: 116)
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
Flat-backed Mud Crab
Eurypanopeus
depressus
4
Crabs
Panopeidae
Decapoda
Malacostraca
Animalia
2
Squatter Pea Crab
Tumidotheres
maculatus
0
Crabs
Pinnotheridae
Decapoda
Malacostraca
Animalia
3
Acadian Hermit Crab
Pagurus
acadianus
0
Crabs
Paguridae
Decapoda
Malacostraca
Animalia
4
Square-backed Marsh Crab
Armases
cinereum
19
Crabs
Sesarmidae
Decapoda
Malacostraca
Animalia
5
Daddy-longlegs Crab
Latreillia
manningi
0
Crabs
Latreillidae
Decapoda
Malacostraca
Animalia
6
Coursehand Lady Crab
Ovalipes
stephensoni
0
Crabs
Portunidae
Decapoda
Malacostraca
Animalia
7
Say's Mud Crab
Dyspanopeus
sayi
1
Crabs
Panopeidae
Decapoda
Malacostraca
Animalia
8
Flat-clawed Hermit Crab
Pagurus
pollicaris
3
Crabs
Paguridae
Decapoda
Malacostraca
Animalia
9
Eastern Tube Crab
Polyonyx
gibbesi
0
Crabs
Porcellanidae
Decapoda
Malacostraca
Animalia
10
Smooth Elbow Crab
Heterocrypta
granulata
0
Crabs
Parthenopidae
Decapoda
Malacostraca
Animalia
11
Cryptic Teardrop Crab
Pelia
mutica
0
Crabs
Pisidae
Decapoda
Malacostraca
Animalia
12
Atlantic Mud Crab
Panopeus
herbstii
5
Crabs
Panopeidae
Decapoda
Malacostraca
Animalia
13
Calico Box Crab
Hepatus
epheliticus
0
Crabs
Hepatidae
Decapoda
Malacostraca
Animalia
14
Thin-striped Hermit
Clibanarius
vittatus
5
Crabs
Diogenidae
Decapoda
Malacostraca
Animalia
15
Delicate Stilt Crab
Palicus
gracilis
0
Crabs
Palicidae
Decapoda
Malacostraca
Animalia
16
Thorned Spiny Crab
Rochinia
tanneri
0
Crabs
Pisidae
Decapoda
Malacostraca
Animalia
17
Oyster Pea Crab
Zaops
ostreum
0
Crabs
Pinnotheridae
Decapoda
Malacostraca
Animalia
18
Portly Spider Crab
Libinia
emarginata
3
Crabs
Epialtidae
Decapoda
Malacostraca
Animalia
19
No Common Name
Catapagurus
gracilis
0
Crabs
Paguridae
Decapoda
Malacostraca
Animalia
20
No Common Name
Libinia
sp.
3
Crabs
Epialtidae
Decapoda
Malacostraca
Animalia
21
Red Deepsea Crab
Chaceon
quinquedens
0
Crabs
Geryonidae
Decapoda
Malacostraca
Animalia
22
No Common Name
Pinnixa
cylindrica
0
Crabs
Pinnotheridae
Decapoda
Malacostraca
Animalia
23
Atlantic Blue Crab
Callinectes
sapidus
328
Crabs
Portunidae
Decapoda
Malacostraca
Animalia
24
No Common Name
Pagurus
arcuatus
0
Crabs
Paguridae
Decapoda
Malacostraca
Animalia
25
No Common Name
Collodes
robustus
0
Crabs
Inachidae
Decapoda
Malacostraca
Animalia
26
No Common Name
Pinnixa
sayana
0
Crabs
Pinnotheridae
Decapoda
Malacostraca
Animalia
27
Green Crab
Carcinus
maenas
16
Crabs
Portunidae
Decapoda
Malacostraca
Animalia
28
No Common Name
Pagurus
pubescens
0
Crabs
Paguridae
Decapoda
Malacostraca
Animalia
29
Red Arrow Crab
Stenorhynchus
yangi
0
Crabs
Inachidae
Decapoda
Malacostraca
Animalia
30
Red-jointed Fiddler Crab
Minuca
minax
22
Crabs
Ocypodidae
Decapoda
Malacostraca
Animalia
31
Iridescent Swimming Crab
Portunus
gibbesii
0
Crabs
Portunidae
Decapoda
Malacostraca
Animalia
32
No Common Name
Sympagurus
pictus
0
Crabs
Parapaguridae
Decapoda
Malacostraca
Animalia
33
Mottled Purse Crab
Persephona
mediterranea
0
Crabs
Leucosiidae
Decapoda
Malacostraca
Animalia
34
Long-armed Hermit Crab
Pagurus
longicarpus
6
Crabs
Paguridae
Decapoda
Malacostraca
Animalia
35
Atlantic Marsh Fiddler Crab
Minuca
pugnax
14
Crabs
Ocypodidae
Decapoda
Malacostraca
Animalia
36
Atlantic Rock Crab
Cancer
irroratus
13
Crabs
Cancridae
Decapoda
Malacostraca
Animalia
37
Gladiator Box Crab
Acanthocarpus
alexandri
0
Crabs
Calappidae
Decapoda
Malacostraca
Animalia
38
Banded Hermit Crab
Pagurus
annulipes
0
Crabs
Paguridae
Decapoda
Malacostraca
Animalia
39
Purple Marsh Crab
Sesarma
reticulatum
1
Crabs
Sesarmidae
Decapoda
Malacostraca
Animalia
40
Arctic Lyre Crab
Hyas
coarctatus
0
Crabs
Oregoniidae
Decapoda
Malacostraca
Animalia
41
Asian Shore Crab
Hemigrapsus
sanguineus
9
Crabs
Varunidae
Decapoda
Malacostraca
Animalia
42
Sand-dollar Pea Crab
Dissodactylus
mellitae
0
Crabs
Pinnotheridae
Decapoda
Malacostraca
Animalia
43
Atlantic Sand Crab
Emerita
talpoida
77
Crabs
Hippidae
Decapoda
Malacostraca
Animalia
44
Striped Porcelain Crab
Porcellana
sigsbeiana
0
Crabs
Porcellanidae
Decapoda
Malacostraca
Animalia
45
Spinous Elbow Crab
Platylambrus
pourtalesii
0
Crabs
Parthenopidae
Decapoda
Malacostraca
Animalia
46
Bathyal Swimming Crab
Bathynectes
longispina
0
Crabs
Portunidae
Decapoda
Malacostraca
Animalia
47
Smooth mud Crab
Hexapanopeus
angustifrons
1
Crabs
Panopeidae
Decapoda
Malacostraca
Animalia
48
Long-nosed Spider Crab
Libinia
dubia
3
Crabs
Epialtidae
Decapoda
Malacostraca
Animalia
49
Norway King Crab
Lithodes
maja
0
Crabs
Lithodidae
Decapoda
Malacostraca
Animalia
50
Chinese Mitten Crab
Eriocheir
sinensis
2
Crabs
Varunidae
Decapoda
Malacostraca
Animalia
51
Sargassum Swimming Crab
Portunus
sayi
1
Crabs
Portunidae
Decapoda
Malacostraca
Animalia
52
Gulf Grassflat Crab
Dyspanopeus
texanus
0
Crabs
Panopeidae
Decapoda
Malacostraca
Animalia
53
Speckled Swimming Crab
Arenaeus
cribrarius
2
Crabs
Portunidae
Decapoda
Malacostraca
Animalia
54
Coralthicket Hermit
Goreopagurus
piercei
0
Crabs
Paguridae
Decapoda
Malacostraca
Animalia
55
Speckled Purse Crab
Persephona
aquilonaris
9
Crabs
Leucosiidae
Decapoda
Malacostraca
Animalia
56
Inflated Spiny Crab
Rochinia
crassa
0
Crabs
Pisidae
Decapoda
Malacostraca
Animalia
57
Harris's Mud Crab
Rhithropanopeus
harrisii
57
Crabs
Panopeidae
Decapoda
Malacostraca
Animalia
58
Lesser Blue Crab
Callinectes
similis
3
Crabs
Portunidae
Decapoda
Malacostraca
Animalia
59
No Common Name
Pagurus
politus
0
Crabs
Paguridae
Decapoda
Malacostraca
Animalia
60
Broad-backed Sumo Crab
Ethusa
microphthalma
0
Crabs
Dorippidae
Decapoda
Malacostraca
Animalia
61
Tube Pea Crab
Pinnixa
chaetopterana
0
Crabs
Pinnotheridae
Decapoda
Malacostraca
Animalia
62
Ocellate Lady Crab
Ovalipes
ocellatus
60
Crabs
Portunidae
Decapoda
Malacostraca
Animalia
63
No Common Name
Parapagurus
pilosimanus
0
Crabs
Parapaguridae
Decapoda
Malacostraca
Animalia
64
Gulfweed Crab
Planes
minutus
0
Crabs
Grapsidae
Decapoda
Malacostraca
Animalia
65
No Common Name
Pinnixa
retinens
0
Crabs
Pinnotheridae
Decapoda
Malacostraca
Animalia
66
Blotched Swimming Crab
Portunus
spinimanus
1
Crabs
Portunidae
Decapoda
Malacostraca
Animalia
67
No Common Name
Homola
barbata
0
Crabs
Homolidae
Decapoda
Malacostraca
Animalia
68
No Common Name
Euprognatha
rastellifera
0
Crabs
Inachidae
Decapoda
Malacostraca
Animalia
69
Atlantic Ghost Crab
Ocypode
quadrata
92
Crabs
Ocypodidae
Decapoda
Malacostraca
Animalia
70
Jonah Crab
Cancer
borealis
0
Crabs
Cancridae
Decapoda
Malacostraca
Animalia
71
Flame Box Crab
Calappa
flammea
0
Crabs
Calappidae
Decapoda
Malacostraca
Animalia
72
Five-spined Purse Crab
Myropsis
quinquespinosa
0
Crabs
Leucosiidae
Decapoda
Malacostraca
Animalia
73
Olive-pit Porcelain Crab
Euceramus
praelongus
1
Crabs
Porcellanidae
Decapoda
Malacostraca
Animalia
74
Atlantic Sand Fiddler Crab
Leptuca
pugilator
6
Crabs
Ocypodidae
Decapoda
Malacostraca
Animalia
1
Riverine Grass Shrimp
Palaemon
paludosus
5
Shrimp
Palaemonidae
Decapoda
Malacostraca
Animalia
2
Zostera Shrimp
Hippolyte
zostericola
0
Shrimp
Hippolytidae
Decapoda
Malacostraca
Animalia
3
Doll Eualid
Eualus
pusiolus
0
Shrimp
Hippolytidae
Decapoda
Malacostraca
Animalia
4
Sars Shrimp
Sabinea
sarsii
0
Shrimp
Crangonidae
Decapoda
Malacostraca
Animalia
5
Slender Sargassum Shrimp
Latreutes
fucorum
0
Shrimp
Hippolytidae
Decapoda
Malacostraca
Animalia
6
Big-clawed Snapping Shrimp
Alpheus
heterochaelis
0
Shrimp
Alpheoidea
Decapoda
Malacostraca
Animalia
7
Peppermint Shrimp
Lysmata
wurdemanni
1
Shrimp
Hippolytidae
Decapoda
Malacostraca
Animalia
8
Coastal Mud Shrimp
Upogebia
affinis
1
Shrimp
Upogebiidae
Decapoda
Malacostraca
Animalia
9
Bristled Longbeak
Dichelopandalus
leptocerus
0
Shrimp
Pandalidae
Decapoda
Malacostraca
Animalia
10
Deep Water Rose Shrimp
Parapenaeus
politus
0
Shrimp
Penaeidae
Decapoda
Malacostraca
Animalia
11
No Common Name
Plesionika
tenuipes
0
Shrimp
Pandalidae
Decapoda
Malacostraca
Animalia
12
Northern Brown Shrimp
Farfantepenaeus
aztecus
12
Shrimp
Penaeidae
Decapoda
Malacostraca
Animalia
13
Rough-necked Shrimp
Rimapenaeus
constrictus
2
Shrimp
Penaeidae
Decapoda
Malacostraca
Animalia
14
Royal Red Shrimp
Pleoticus
robustus
0
Shrimp
Solenoceridae
Decapoda
Malacostraca
Animalia
15
Northern White Shrimp
Litopenaeus
setiferus
22
Shrimp
Penaeidae
Decapoda
Malacostraca
Animalia
16
Brown Grass Shrimp
Leander
tenuicornis
0
Shrimp
Palaemonidae
Decapoda
Malacostraca
Animalia
17
No Common Name
Lucifer
typus
0
Shrimp
Luciferidae
Decapoda
Malacostraca
Animalia
18
Brackish Grass Shrimp
Palaemon
mundusnovus
0
Shrimp
Palaemonidae
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
Marsh Grass Shrimp
Palaemon
vulgaris
2
Shrimp
Palaemonidae
Decapoda
Malacostraca
Animalia
22
Cerulean Sargassum Shrimp
Hippolyte
coerulescens
0
Shrimp
Hippolytidae
Decapoda
Malacostraca
Animalia
23
Oriental Shrimp
Palaemon
macrodactylus
10
Shrimp
Palaemonidae
Decapoda
Malacostraca
Animalia
24
False Zostera Shrimp
Hippolyte
pleuracanthus
0
Shrimp
Hippolytidae
Decapoda
Malacostraca
Animalia
25
Polar Lebbeid
Lebbeus
polaris
0
Shrimp
Hippolytidae
Decapoda
Malacostraca
Animalia
26
Sand Shrimp
Crangon
septemspinosa
5
Shrimp
Crangonidae
Decapoda
Malacostraca
Animalia
27
Arrow Shrimp
Tozeuma
carolinense
2
Shrimp
Hippolytidae
Decapoda
Malacostraca
Animalia
28
Seven-lined Shrimp
Sabinea
septemcarinata
0
Shrimp
Crangonidae
Decapoda
Malacostraca
Animalia
29
Golden Shrimp
Plesionika
martia
0
Shrimp
Pandalidae
Decapoda
Malacostraca
Animalia
30
Ghost Shrimp
Gilvossius
setimanus
0
Shrimp
Callianassidae
Decapoda
Malacostraca
Animalia
31
No Common Name
Pontophilus
brevirostris
0
Shrimp
Crangonidae
Decapoda
Malacostraca
Animalia
32
Pink Shrimp
Farfantepenaeus
duorarum
0
Shrimp
Penaeidae
Decapoda
Malacostraca
Animalia
33
Giant Red Shrimp
Aristaeomorpha
foliacea
0
Shrimp
Aristeidae
Decapoda
Malacostraca
Animalia
34
No Common Name
Lucifer
faxoni
0
Shrimp
Luciferidae
Decapoda
Malacostraca
Animalia
35
Estuarine Longeye Shrimp
Ogyrides
alphaerostris
0
Shrimp
Ogyrididae
Decapoda
Malacostraca
Animalia
36
Pink-speckled Shrimp
Penaeopsis
serrata
0
Shrimp
Penaeidae
Decapoda
Malacostraca
Animalia
37
No Common Name
Naushonia
crangonoides
0
Shrimp
Laomediidae
Decapoda
Malacostraca
Animalia
38
Daggerblade Grass Shrimp
Palaemon
pugio
11
Shrimp
Palaemonidae
Decapoda
Malacostraca
Animalia
39
No Common Name
Hadropenaeus
modestus
0
Shrimp
Penaeidae
Decapoda
Malacostraca
Animalia
40
No Common Name
Axius
serratus
0
Shrimp
Axiidae
Decapoda
Malacostraca
Animalia
41
Circumpolar Eualid
Eualus
gaimardii
0
Shrimp
Hippolytidae
Decapoda
Malacostraca
Animalia
42
No Common Name
Bythocaris
nana
0
Shrimp
Hippolytidae
Decapoda
Malacostraca
Animalia
View Hidden Taxa