Cladacanthella scabra

(with Tozeuma sp.)

Bali, Indonesia 2016
Dive site: Seraya

Corymorpha rubicincta

sand hydroid

Bali, Indonesia 2016
Dive site: Amed, Ghost bay

Corymorpha rubicincta

sand hydroid

Negros, Philippines 2019
Dive site: (next to) Ducomi pier

Cytaeis sp.

(on Cancellaria sp.?)

Bali, Indonesia 2009
Dive site: Tulamben, USAT Liberty (night dive)

Cytaeis sp.

(on Cancellaria sp.?)

Halmahera, Indonesia 2010
Dive site: New jetty (night dive)

Cytaeis sp.

(on Cancellaria sp.?)

Romblon, the Philippines 2017
Dive site: Agnay desert (night dive)

Distichopora irregularis

?

Bangka, Indonesia 2017
Dive site: Batu lihunu

maybe Dentitheca sp.

?

Marsa alam, Egypt 2012
Dive site: house reef Oasis (night dive)

Eudendrium sp.

?

Raja ampat, Indonesia 2014
Dive site: The passage

Gymnangium hians

?

Manado Bay, Indonesia 2022
Dive site: City extra

Halecium sibogae

?

Marsa alam, Egypt 2012
Dive site: house reef Oasis (night dive)

Halopteris polymorpha

(with Atriolum robustum)

Raja ampat, Indonesia 2014
Dive site: New reef

Halopteris sp.

(with Tozeuma lanceolatum)

Lembeh, Indonesia 2014
Dive site: Teluk kembahu I

Macrorhynchia philippina

Philippine stinging hydroid

Negros, Philippines 2019
Dive site: San miguel

Macrorhynchia phoenicea

?

Lembeh, Indonesia 2022
Dive site: Angel window

Macrorhynchia spectabilis

?

Bangka, Indonesia 2017
Dive site: Batu lihunu

Millepora alcicornis

Fire coral or Sea ginger

Caribbean, Bonaire 2021
Dive site: Aquarius

Millepora alcicornis

Fire coral or Sea ginger

Caribbean, Bonaire 2021
Dive site: Nukove

Millepora complanatas

Blade fire coral

Caribbean, Bonaire 2021
Dive site: Nukove

Millepora complanatas

Blade fire coral

Caribbean, Bonaire 2021
Dive site: Nukove

Millepora complanatas

Blade fire coral

Caribbean, Bonaire 2021
Dive site: Aquarius

Millepora dichotoma

fire coral

Cebu, the Philippines 2007
Dive site: Pescador east

Millepora dichotoma

Net fire coral

Marsa alam, Egypt 2012
Dive site: house reef Oasis

Millepora sp.

fire coral

Cebu, the Philippines 2012
Dive site: Pescador, south side

Myrionema amboinense

Golden pom-pom hydroid

Manado Bay, Indonesia 2022
Dive site: Circus critter 1 (night dive)

Myrionema amboinense

Golden pom-pom hydroid

Lembeh, Indonesia 2022
Dive site: Air prang (night dive)

Nemalecium lighti

?

Caribbean, Bonaire 2013
Dive site: Karpata

Nemalecium lighti

?

Bangka, Indonesia 2017
Dive site: Batu Gosoh 1

Nemalecium lighti

?

Negros, Philippines 2019
Dive site: Masaplod norte

Nemalecium lighti

?

Caribbean, Bonaire 2021
Dive site: Sweet dreams

Olindias muelleri?

maybe Cigar jellyfish

Raja ampat, Indonesia 2014
Dive site: Manta sandy

Pachyrhynchia cupressina

Stinging hydroid

Bali, Indonesia 2011
Dive site: USAT Liberty

Pachyrhynchia cupressina

Stinging hydroid

Bali, Indonesia 2011
Dive site: USAT Liberty

Pachyrhynchia cupressina

Stinging hydroid

Bangka, Indonesia 2017
Dive site: Batu Beka

Pachyrhynchia cupressina

(on Hyastenus bispinosus)

Gili Islands, Lombok, Indonesia 2009
Gili Trawangan, Stingray (night dive)

Pachyrhynchia cupressina

(on Hyastenus bispinosus)

Bali, Indonesia 2011
Dive site: house reef Kubu Indah (night dive)

Pennaria disticha

Christmas tree hydroid

Caribbean, Bonaire 2021
Dive site: Red slave

Salacia flavidula

(simple fern hydroid)

Lembeh, Indonesia 2014
Dive site: Nudi falls (night dive)

Salacia flavidula

(simple fern hydroid)

Lembeh, Indonesia 2022
Dive site: Nudi retreat

Sciurella cylindrica

(with egg ribbon Doto sp.)

Bali, Indonesia 2016
Dive site: Seraya slope

Sciurella cylindrica

(with Doto sp.)

Bali, Indonesia 2016
Dive site: Seraya

Sciurella indivisa

(with Eubranchus virginalis)

Anilao, the Philippines 2015
Dive site: Mural

Sertularella diaphana

feather hydroid

Bali, Indonesia 2011
Dive site: Kubu, Batuh indah

Sertularella diaphana

feather hydroid

Raja ampat, Indonesia 2014
Dive site: The passage

maybe Sertularella diaphana

feather hydroid

Marsa alam, Egypt 2012
Dive site: house reef Oasis (night dive)

Solanderia sp.

?

Western Australia 2020
Dive site: Canal rocks, the honeycomb

Stylaster gracilis

Delicate hydrocoral

Bangka, Indonesia 2017
Dive site: Batu lihunu

Thyroscyphus fruticosus

(with Hippocampus pontohi)

Raja ampat, Indonesia 2014
Dive site: house reef Kri eco (night dive)

Thyroscyphus fruticosus

?

Manado Bay, Indonesia 2022
Dive site: Catamaran

Tridentata trigonostoma

(with Eubranchus sp.)

Bali, Indonesia 2016
Dive site: Seraya slope

Tubularia sp.

?

Bali, Indonesia 2009
Dive site: Kalanganyar

Zanclea divergens (black)

?

Bali, Indonesia 2011
Dive site: Seraya

Zanclea divergens (black)

?

Raja ampat, Indonesia 2014
Dive site: Mike's Point

Zanclea tipis

(on Triphyllozoon inornatum)

Negros, Philippines 2019
Dive site: Orica pier