Title: PISCO
1PISCO Swath Invert Identification
2 Patiria (Asterina) miniata Bat star, very
abundant at many sites, highly variable in color
and pattern. Typically has 5 rays, but can be
found with more or less.
3 Patiria (Asterina) miniata Bat star Abundant at
many sites, highly variable in color and pattern.
Typically has 5 rays, but can be found with more
or less.
4Lonhart/MBNMS
Dermasterias imbricata Leather star Very smooth,
five rays, mottled aboral surface
5Dermasterias imbricata Leather star Very smooth,
five rays, mottled aboral surface
6Lonhart/MBNMS
Dermasterias imbricata Leather star Very smooth,
five rays, mottled aboral surface
7Mediaster aequalis Orange star with five rays,
large marginal plates, very flattened. Can be
mistaken for Patiria miniata
8Lonhart/MBNMS
Mediaster aequalis Orange star with five rays,
large marginal plates, very flattened. Can be
mistaken for Patiria miniata
9Henricia leviuscula Blood star Long, tapered
rays, orange or red, patterned aboral surface
similar to ringlets. Usually has 5 rays.
10King/MBNMS
Henricia leviuscula Blood star Long, tapered
rays, orange or red, patterned aboral surface
similar to ringlets. Usually has 5 rays.
11Lonhart/MBNMS
Henricia leviuscula Blood star Long, tapered
rays, orange or red, patterned aboral surface
similar to ringlets. Usually has 5 rays.
12King/MBNMS
Orthasterias koehleri Northern rainbow
star Mottled red, orange and yellow, large, long
thick rays
13King/MBNMS
Orthasterias koehleri Northern rainbow
star Mottled red, orange and yellow, large, long
thick rays
14Lonhart
Pisaster brevispinus Short-spined star Large,
pale pink in color, often on sand, thick rays
15Pisaster giganteus Giant-spined star Large,
purple pedicellaria with purple spines, thick rays
16Lonhart/MBNMS
Pisaster giganteus Giant-spined star Large,
purple pedicellaria with purple spines, thick rays
17Efird
Pisaster giganteus Giant-spined star Large,
purple pedicellaria with purple spines, thick rays
18Pycnopodia helianthoides Sunflower star Very
large, gt20 rays, very soft and flexible, purple
or orange
19Lonhart/MBNMS
Pycnopodia helianthoides Sunflower star Very
large, gt20 rays, very soft and flexible, purple
or orange
20Efird
Pycnopodia helianthoides Sunflower star Very
large, gt20 rays, very soft and flexible, purple
or orange
21Pisaster ochraceus Ochre star Orange or purple
color, five rays, white stubby spines
22Pisaster ochraceus Ochre star Orange or purple
color, five rays, white stubby spines
23Pisaster ochraceus Ochre star Orange or purple
color, five rays, white stubby spines
24Lonhart/MBNMS
Parastichopus californicus Spiky
cucumber Papillae are fleshy and flexible, light
brown
25Lonhart/MBNMS
Parastichopus californicus Spiky
cucumber Papillae are fleshy and flexible, light
brown
26Lonhart/MBNMS
Parastichopus californicus Spiky
cucumber Papillae are fleshy and flexible, light
brown
27King/MBNMS
Parastichopus parvimensis Warty cucumber Papillae
are small, small black marking
28Parastichopus parvimensis Warty cucumber Papillae
are small, small black marking
29Cucumaria miniata Embedded cucumber Orange body
and tentacles
30Lonhart/MBNMS
Cucumaria miniata Embedded cucumber Orange body
and tentacles
31Lonhart/MBNMS
Cucumaria miniata Embedded cucumber Orange body
and tentacles
32Strongylocentrotus purpuratus Purple urchin Green
when young, not as large as adult red urchins
33Lonhart/MBNMS
Strongylocentrotus purpuratus Purple urchin Green
when young, not as large as adult red urchins
34Strongylocentrotus franciscanus Red urchin Solid
red to black underwater, largest in the region
35Lonhart/MBNMS
On the left, a red urchin (Strongylocentrotus
franciscanus) shares a crevice with two purple
urchins (Strongylocentrotus purpuratus).
36Corynactis californica Strawberry or club-tipped
anemone Red, orange or pink, white tentacles with
bulbous tips, in dense clusters
37Efird
Corynactis californica Strawberry or club-tipped
anemone Red, orange or pink, white tentacles with
bulbous tips, in dense clusters
38Aplysia californica California sea hare Burgundy
red with black mottling, up to size of football,
called a hare due to large ears
39Dendronotus iris Burgundy red, no mottling, many
branched cerata, up to 15 cm long
40Cypraea (Zonaria) spadicea Chestnut
cowry Golden-brown top, very smooth, uncommon in
central CA
41Cypraea (Zonaria) spadicea Chestnut
cowry Golden-brown top, very smooth, uncommon in
central CA and Lithopoma gibberosum on right
42Lonhart/MBNMS
Ceratostoma foliatum Leafy hornmouth Three
varices (wings), tooth at aperture, white shell
with brown banding if not encrusted with epibionts
43Pteropurpura macroptera Similar to Ceratostoma,
but much smaller and no tooth. When you see this
many in an aggregation, it is typically NOT
Ceratostoma.
44Lonhart/MBNMS
Crassedoma giganteum Giant Pacific rock
scallop One valve attached, highly ribbed, many
marginal eyes, up to 12 cm in diameter
45King/MBNMS
Crassedoma giganteum Giant Pacific rock
scallop One valve attached, highly ribbed, many
marginal eyes, up to 12 cm in diameter
46Cryptochiton stelleri Gumboot chiton Deep red
color, to 40 cm
47Cryptochiton stelleri Gumboot chiton Deep red
color, to 40 cm
48Lonhart/MBNMS
Cryptochiton stelleri Gumboot chiton Deep red
color, to 40 cm
49Haliotis rufescens Red abalone Most common,
bright red lip of shell, margin of foot and
mantle are solid black
50Kelletia kelletii Kellets whelk Natural shell
color white with brown lines, usually covered
with green and pink algae, yellow foot with black
lines and white spots, large
51Kelletia kelletii Kellets whelk Natural shell
color white with brown lines, usually covered
with green and pink algae, yellow foot with black
lines and white spots, large
52Female laying egg cases
Kelletia kelletii Kellets whelk Natural shell
color white with brown lines, usually covered
with green and pink algae, yellow foot with black
lines and white spots, large
53Lithopoma gibberosum Red turban snail Reddish
shell but often overgrown, operculum is smooth
and calcareous
54Lithopoma gibberosum Red turban snail Reddish
shell but often overgrown, operculum is smooth
and calcareous
55Megathura crenulata Giant keyhole limpet Solid
black or cream with dark lines
56Megathura crenulata Giant keyhole limpet Solid
black or cream with dark lines
57King/MBNMS
Megathura crenulata Giant keyhole limpet Solid
black or cream with dark lines
58Lonhart/MBNMS
Balanus nubilus Giant Acorn Barnacle Filter
feeder. It is a common inhabitant of vertical
rock walls on offshore pinnacles that receive
high water flow.
59Lonhart/MBNMS
Balanus nubilus Giant Acorn Barnacle Filter
feeder. It is a common inhabitant of vertical
rock walls on offshore pinnacles that receive
high water flow.
60Loxorhynchus crispatus Decorator crab Very
camouflaged when young, large when older, can
look like other spider crabs
61Loxorhynchus crispatus Decorator crab Very
camouflaged when young, large when older, can
look like other spider crabs
62Loxorhynchus grandis Sheephead crab Very large,
downward-hooked rostral spines, bumpy carapace
63Loxorhynchus grandis Sheephead crab Very large,
downward-hooked rostral spines, bumpy carapace
64Mimulus foliatum Spider crab Large chelipeds,
broad wings on carapace
65King/MBNMS
Mimulus foliatum Spider crab Large chelipeds,
broad wings on carapace
66Pugettia producta Northern kelp crab Golden brown
or red, smooth clean carapace, often on kelp
67Pugettia producta Northern kelp crab Golden brown
or red, smooth clean carapace, often on kelp
68Pugettia richii Spider crab Red, bumpy carapace,
often decorated with algae, anterior spines
69Pugettia richii Spider crab Red, bumpy carapace,
often decorated with algae, anterior spines
70Pugettia richii Spider crab Red, bumpy carapace,
often decorated with algae, anterior spines
71Scyra acutifrons Sharp-nose crab Heavily
decorated, large, spade-like rostrum, can be
confused with juvenile Loxorhynchus crispatus
72Styela montereyensis Stalked tunicate Can be
smooth or covered with epibionts
73Styela montereyensis Stalked tunicate Can be
smooth or covered with epibionts
74Tethya aurantia Orange puffball sponge Solitary
or in clumps, can be partially overgrown
75Tethya aurantia Orange puffball sponge Solitary
or in clumps, can be partially overgrown
76Tethya aurantia Orange puffball sponge Solitary
or in clumps, can be partially overgrown
77Metridium farcimen (giganteum) Giant
metridium White or light yellow column, white
tentacles, very large
78Metridium farcimen (giganteum) Giant
metridium White or light yellow column, white
tentacles, very large
79King/MBNMS
Tealia (Urticina) lofotensis Strawberry
anemone Red column with white dots, large
80Tealia (Urticina) lofotensis Strawberry
anemone Red column with white dots, large
81King/MBNMS
Urticina piscivora (Star?)Fish-eating
anemone Solid red column, white or red tentacles
82Urticina piscivora Fish-eating anemone Solid red
column, white or red tentacles
83Urticina piscivora Fish-eating anemone Solid red
column, white or red tentacles
84King/MBNMS
Urticina piscivora Fish-eating anemone Solid red
column, white or red tentacles
85Lonhart/MBNMS
Anthopleura sola Solitary anemone Has radiating
lines on the oral disk, often has debris on the
column
86Lonhart/MBNMS
Anthopleura sola Solitary anemone Has radiating
lines on the oral disk, often has debris on the
column
87Lonhart/MBNMS
Anthopleura xanthogrammica Large green
anemone Green oral disk, no lines
88Lonhart/MBNMS
Stylaster californicus California hydrocoral
89Lonhart/MBNMS
Stylaster californicus California hydrocoral