1. Invertebrate & Algae Identification for Settlement Plates from Coconut Island

2. Kingdom: “Monera”
Phylum: Cyanophyta
Common Name:
blue-green algae
- No clear structure or form

3. Red Algae
Kingdom: “Protista”
Phylum: Rhodophyta
Order: Gigartinales
Family: Peysonnelliaceae
Genus: Peyssonnellia
Dark red encrusting sheets
edges rounded; when big, edges often not attached to substratum

4. Crustose Coralline Algae
Red Algae
Kingdom: “Protista”
Phylum: Rhodophyta
Crustose Coralline Algae
Light-pink to white
Encrusting
Calcareous (hard)

5. Crustose Coralline Algae
Red Algae
Crustose Coralline Algae
Peyssonnellia

6. Red Algae
Kingdom: “Protista”
Phylum: Rhodophyta
Order: Ceramiales
Genus: Hypoglossum
Reddish-orange
Fluffy looking

7. Green Algae
Kingdom: “Protista”
Phylum: Chlorophyta
Class: Chlorophyceae
Order: Ulvales
Family: Ulvaceae
Genus: Ulva sp.
- Fine bright-green filaments

8. Green Algae
Kingdom: “Protista”
Phylum: Chlorophyta
Genus: Cladophora
-Bright to dark green silky tufts to coarse filaments
Fine round segmented “tubes”, branching

9. Kingdom: Animalia
Phylum: Porifera
Common Name: Sponges
-no clear structure
-soft with irregularly distributed holes
-sometimes with visible spikes (spicules)
-many different colors: white, tan, brown, orange, red

10. Common Name: anemone/hydroid
Kingdom: Animalia
Phylum: Cnidaria
Common Name: anemone/hydroid
-small and transparent
-individual polyp or colony
-visible tentacles, unless retracted
-without any skeleton or thin, tan or transparent exoskeleton
Anemone
Hydroid polyps
Hydroid colony (branching, w/skeleton)

11. Species: Hydroides elegans -white, irregular calcified tube
Kingdom: Animalia
Phylum: Annelida
Class: Polychaeta
Family: Serpulidae
Species: Hydroides elegans
-white, irregular calcified tube
-brown tentacles (fan)
tentacles

12. Kingdom: Animalia
Phylum: Annelida
Class: Polychaeta
Family: Spirorbidae
Genus: Spirorbis sp.
-small, white, calcified coiled tubes
-”snail-like”

13. Encrusting bryozoan Kingdom: Animalia Phylum: Ectoprocta/Bryozoa
Class: Stenolaemata
Encrusting bryozoan
-encrusting, hard with regular holes and chambers (colony!)
-tan, white, brown or pinkish

14. Branching bryozoan Kingdom: Animalia Phylum: Ectoprocta/Bryozoa
Class: Gymnoblaemata
Branching bryozoan
soft
-branching, tan “trees”
-soft or hard (coral-like)
hard

15. Kingdom: Animalia
Phylum: Mollusca
Class: Bivalvia
Family: Ostreidae
Genus: Dendostrea sandvicensis
-lower valve/shell attached to substratum
-edges scalloped (“zig-zag) on adults

16. Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Crustacea
Class: Cirripedia
Common Name: Barnacles
-several calcareous plates attached to substratum with opening on top
-edges often sharp
-white, tan, ev. with stripes

17. Subphylum: Urochordata Class: Ascidiacea Common Name: Tunicate
Kingdom: Animalia
Phylum: Chordata
Subphylum: Urochordata
Class: Ascidiacea
Common Name: Tunicate
-soft, jelly-like or leathery
-encrusting with “chambers” (colony!) or single animals
- with 2 “holes“(syphons)
-tan, white, brown or orange
Colony (in orange)
solitary