Photos by Prof. Karen Chan, Dr. Cynthia Yau, Ms. Esther Wong.

Last updated on Mar 4, 2019

To Chan Lab

Marine Invertebrate Larvae in Hong Kong Waters

Holoplankton

Holoplankton spend their whole life in the pelagic as part of the plankton community. Although most holoplankton are small in size, they can reach centimeters in size, as in the case of the true jellyfishes.

Cnidaria

Polychaeta

Ctenophore

Hydrozoa (Class)
Classification:
Cnidaria (Phylum) > Hydrozoa (Class)

Hydromedusae
Pelagiidae (Family)
Classification:
Cnidaria (Phylum) > Scyphozoa (Class) > Discomedusae (Subclass) > Semaeostomeae (Order) >
Pelagiidae (Family) > Chrysaora (Genus)

Ephyra stage
Diphyes dispar (Species)
Classification:
Cnidaria (Phylum) > Hydrozoa (Class) > Hydroidolina (Subclass) >
Siphonophorae (Order) > Calycophorae (Suborder) > Diphyidae (Family) > Dyphyinae (Subfamily) >
Diphyes (Genus) > Diphyes dispar (Species)
Diphyes dispar (Species)
Classification:
Cnidaria (Phylum) > Hydrozoa (Class) > Hydroidolina (Subclass) >
Siphonophorae (Order) > Calycophorae (Suborder) > Diphyidae (Family) > Dyphyinae (Subfamily) >
Diphyes (Genus) > Diphyes dispar (Species)
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Pleurobrachia (Genus)
Ctenophora (Phylum) > Tentaculata (Class) > Cydippida (Order) >
Pleurobrachiidae (Family) > Pleurobrachia (Genus)
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Tomopteridae (Family)
Classification:
Annelida (Phylum) > Polychaeta (Class) > Errantia (Subclass) >
Phyllodocida (Order) > Phyllodocida incertae sedis (Suborder) >
Tomopteridae (Family) > Tomopteris (Genus)
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Copepoda

Calanoida (Order)
Classification:
Arthropoda (Phylum) > Crustacea (Subphylum) >
Multicrustacea (Superclass) > Hexanauplia (Class) >
Copepoda (Subclass) > Neocopepoda (Infraclass) >
Gymnoplea (Superorder) > Calanoidea (Order)
Euchaetidae (Family)
Classification:
Arthropoda (Phylum) > Crustacea (Subphylum) >
Multicrustacea (Superclass) > Hexanauplia (Class) >
Copepoda (Subclass) > Neocopepoda (Infraclass) >
Gymnoplea (Superorder) > Calanoidea (Order) >
Euchaetidae (Family) > Echeata (Genus)
Sapphirinidae (Family)
Classification:
Arthropoda (Phylum) > Crustacea (Subphylum) >
Multicrustacea (Superclass) > Hexanauplia (Class) >
Copepoda (Subclass) > Neocopepoda (Infraclass) > Podoplea (Superorder) > Cyclopoida (Order) > Poecilostomatoida (Suborder) >
Sapphirinidae (Family)
Pontella (Genus)
Classification:
Arthropoda (Phylum) > Crustacea (Subphylum) >
Multicrustacea (Superclass) > Hexanauplia (Class) >
Copepoda (Subclass) > Neocopepoda (Infraclass) >
Gymnoplea (Superorder) > Calanoidea (Order) >
Pontellidae (Family) > Pontella (Genus)
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Chaetognatha

Sagittidae (Family)
Classification:
Chaetognatha (Phylum) > Sagittoidea (Class) >
Aphragmophora (Order) > Sagittidae (Family) > Flaccisagitta enflata (Species)
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Branchiopoda

Penilia (Genus)
Classification:
Arthropoda (Phylum) > Crustacea (Subphylum) >
Branchiopoda (Class) > Phyllopoda (Subclass) >
Diplostraca (Order) > Onychocaudata (Suborder) > Cladoceromorpha (Infraorder) > Cladocera (Infraorder) > Ctenopoda (Parvorder) >
Sididae (Family) > Penilia (Genus)
Podonidae (Family)
Classification:
Arthropoda (Phylum) > Crustacea (Subphylum) >
Branchiopoda (Class) > Phyllopoda (Subclass) >
Diplostraca (Order) > Onychocaudata (Suborder) > Cladoceromorpha (Infraorder) > Cladocera (Infraorder) > Gymnomera (Parvorder) > Onychopoda (Section) >
Podonidae (Family) > Pseudevadne (Genus)
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Amphipod

Hyperiidea (Suborder)
Athropoda (Phylum) > Crustacea (Subphylum) >
Multicrustacea (Superclass) > Malacostraca (Class) > Eumalacostraca (Subclass) >
Peracarida (Superorder) > Amphipoda (Order) > Hyperiidea (Suborder)
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Ostracoda

Ostracoda (Class)
Classification:
Arthropoda (Phylum) > Crustacea (Subphylum) >
Oligostraca (Superclass)> Ostracoda (Class)
Ostracoda (Class)
Classification:
Arthropoda (Phylum) > Crustacea (Subphylum) >
Oligostraca (Superclass)> Ostracoda (Class)
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Tunicata

Oikopleura (Genus)
Classification:
Chordata (Phylum) > Tunicata (Subphylum) >
Appendicularia (Class) > Copelata (Order) >
Oikopleuridae (Family) > Oikopleurinae (Subfamily) >
Labiata (Tribe) > Oikipleura (Genus)
Oikopleura (Genus)
Classification:
Chordata (Phylum) > Tunicata (Subphylum) >
Appendicularia (Class) > Copelata (Order) >
Oikopleuridae (Family) > Oikopleurinae (Subfamily) >
Labiata (Tribe) > Oikipleura (Genus)
Doliolida (Order)
Classification:
Chordata (Phylum) > Tunicata (Subphylum) >
Thaliacea (Class) > Doliolida (Order)
Dolioletta (Genus)
Classification:
Chordata (Phylum) > Tunicata (Subphylum) >
Thaliacea (Class) > Doliolida (Order) > Dolioletta gegenbauri (Species)
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