UPC Organisms

1
UPC Organisms
2
Invertebrates
3
Solitary tunicate Cnemidocarpa finmarkiensis Smoot
h tunic, usually orange or red
4
Solitary tunicate Styela montereyensis Smooth
tunic, can be covered with epibionts
5
Colonial tunicates Clavelina huntsmani Lightbulb
tunicate (flatworm on right)
6
Colonial tunicates Clavelina huntsmani Lightbulb
tunicate
7
Colonial tunicate Cystodytes lobatus Lobed, white
to tan, thick, usually large, slippery
8
Colonial tunicate Aplidium sp. Usually white, can
see incurrent and excurrent openings, firm to
touch, slippery, no sand in tunic
9
Colonial tunicate Archidistoma psammion Thick
tunic impregnated with sand, usually brown with
slightly raised excurrent siphons
10
Colonial tunicate Didemnum carnulentum White to
orange, lots of small incurrent holes around one
larger excurrent, flat, overgrows other organisms
11
Colonial tunicate Likely a Didemnum
12
Bryozoans Brittle, rough texture, coral-like,
often with branches, but can also form crusts,
variable colors
13
Lacy bryozoan Phidolopora pacifica
(labiata) Orange in color, very brittle
14
Erect bryozoan Costazia costazi Orange with a few
branches, usually lt2 cm
15

Erect bryozoan Hippodiplosia insculpta Looks like
large bunch of cornflakes
16
Bryozoan Incorrectly called Diaperoecia in Sea
Challengers book, lots of branches, erect, golden
brown
17
Lonhart/MBNMS
Diopatra ornata Tube worm covered with shells
(with A. sola)
18
King
Diopatra ornata Tube worm covered with shells.
19
Phragmatopoma californica Honeycomb Tubeworm Tube
worm covered with shells, usually with purple
tentacles.
20
Salmacina tribranchiata Calcareous tubeworm,
white tubes with orange tentacles, very brittle,
small tubes in relatively large clumps
21
Tubeworms Probably Spiochaetopterus, which forms
large tube mats
22
Efird
Dodecaceria fewkesi Colonial tubeworm, white with
black tentacles, large morph
23
Efird
California hydrocoral Stylaster
californicus Variable colors, usually in high
flow areas
24
California hydrocoral Stylaster
californicus Variable colors, usually in high
flow areas
25
Strawberry or club-tipped anemone Corynactis
californica Often red, orange or pink, white
tentacles with bulbous tips, dense clusters
26
Strawberry or club-tipped anemone Corynactis
californica Often red, orange or pink, white
tentacles with bulbous tips, dense clusters
27
Giant acorn barnacle Balanus nubilus Orange
lipped, large white test
28
Orange cup coral Balanophyllia elegans Orange
calyx with clear tentacles, not clonal, similar
to Paracyathus stearnsi (brown) and Astrangia
lajollaensis (clonal)
29
Colonial brown cup coral Astrangia
lajollaensis Small diameter, numerous, golden
brown
30
Cup corals Three species
31
Petaloconchus montereyensis Vermetid gastropod,
smaller than Serpulorbis
32
Petaloconchus montereyensis Vermetid gastropod,
smaller than Serpulorbis
33
Serpulorbis squamigerus Vermetid gastropod,
larger than Petaloconchus montereyensis, orange
lips
34
Efird
Serpulorbis squamigerus Vermetid gastropod,
larger than Petaloconchus montereyensis, orange
lips
35
Red volcano sponge Acarnus erithacus Red with
raised osculae, very firm, not usually larger
than 30 cm diameter, not low-lying
36
Sponge Could be a species of Cliona, yellow with
large osculae
37
Sponge Craniella (Tetilla) arb Solitary grey
ball often with a ring of spicules
38
Orange puffball sponge Tethya aurantia Solitary
or in clumps, can be partially overgrown
39
Sponge Polymastia pacifica (pachymastia) Aggregat
ed fingers with osculae on top, can cover areas
up to 3 m diameter, white to yellow
40
Sponge Polymastia pacifica (pachymastia) Aggregat
ed fingers with osculae on top, can cover areas
up to 3 m diameter, white to yellow
41
Sponge
42
Efird
Sponge
43
Lonhart/MBNMS
Hydroids
44
Hydroid Aglaophenia spp.
45
Efird
Anemone Halcampa decemtentaculata
46
Anemone