By species www.diverosa.com Rokus Groeneveld & Sanne Reijs   
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  Cidaridae
EMA-052 Hidden sea urchin, Eucidaris metularia

Eucidaris metularia

Hidden sea urchin

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

EMA-126 Hidden sea urchin, Eucidaris metularia

Eucidaris metularia

Hidden sea urchin

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

FM2-339 Imperial pencil urchin, Phyllacanthus imperialis

Phyllacanthus imperialis

Imperial pencil urchin

Cebu, the Philippines 2012
Dive site: Goby point (night dive)

FM2-178 Imperial pencil urchin, Phyllacanthus imperialis

Phyllacanthus imperialis

Imperial pencil urchin

Cebu, the Philippines 2012
Dive site: Banlot (night dive)

IRA-046 Imperial sea urchin, Phyllacanthus imperialis

Phyllacanthus imperialis

Imperial sea urchin

Indonesia, Raja ampat 2014
Dive site: Kuburan (night dive)

FAN-074 Phyllacanthus imperialis, Pencil urchin

Phyllacanthus imperialis

Pencil urchin

Anilao, the Philippines 2015
Dive site: house reef Portulano (night dive)

FMI-200_Prionocidaris_verticillata_Gear-wheel_sea_urchin

Plococidaris verticillata

Gear-wheel sea urchin

Cebu, the Philippines 2007
house reef Magic Island (night dive)

FM2-019 Gear-wheel sea urchin, Prionocidaris verticillata

Plococidaris verticillata

Gear-wheel sea urchin

Cebu, the Philippines 2007
house reef Magic island (night dive)

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  Diadematidae
IL1-15 Sea Urchin Crab, Dorippe frascone carrying a Fire urchin, Astropyga sp.

Astropyga radiata

Radiating hatpin urchin

Lembeh, Indonesia 2002
Dive site: Hairball

IL2-008 Fire urchin, Astropyga sp.

Astropyga radiata

Radiating hatpin urchin

Lembeh, Indonesia 2006
Dive site: Kuda laut

IL2-022 Sea Urchin Crab, Dorippe frascone carrying a Fire urchin, Astropyga sp.

Astropyga radiata

Radiating hatpin urchin

Lembeh, Indonesia 2006
Dive site: Teluk kembahu III

IBA-185 Fire urchin, Astropyga sp.

Astropyga radiata

Radiating hatpin urchin

Bali, Indonesia 2009
Dive site: Kalanganyar

IL4-118 Urchin crab, Dorippe frascone with Radiating hatpin urchin, Astropyga radiata 2

Astropyga radiata

Radiating hatpin urchin on Urchin crab

Lembeh, Indonesia 2010
Dive site: Kuda laut

IL5-120 Urchin crab, Dorippe frascone, with Radiating hatpin urchin, Astropyga radiata

Astropyga radiata

Radiating hatpin urchin on Urchin crab

Lembeh, Indonesia 2014
Dive site: Air bajo III

IB3-206_Astropyga_radiata,_Blue-spotted_urchin

Astropyga radiata

Blue-spotted urchin

Bali, Indonesia 2016
Dive site: Secret bay

IB3-228_Astropyga_radiata,_Blue-spotted_urchin

Astropyga radiata

Blue-spotted urchin

Bali, Indonesia 2016
Dive site: Secret bay

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IB2-292 Rodger's sea urchin, Centrostephanus rodgersii

Centrostephanus rodgersii

Rodger's sea urchin

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

IB2-129 Rodger's sea urchin, Centrostephanus rodgersii

Centrostephanus rodgersii

Rodger's sea urchin

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

FMI-237 Long-spined sea urchin, Diadema setosum

Diadema setosum

Long-spined sea urchin

Cebu, the Philippines 2007
house reef Magic island (night dive)

IBA-316 Blue eye urchin, Diadema savignyi

Diadema savignyi

Blue eye urchin

Bali, Indonesia 2009
Dive site: Turtleneck (night dive)

FAN-189 Diadema savignyi, Banded diadem urchin

Diadema savignyi

Banded diadem urchin

Anilao, the Philippines 2015
dive site: Secret garden

MKA-05 Double spined urchin, Echinothrix calamaris

Echinothrix calamaris

Double spined urchin

Kapalai, Malaysia 2003
Dive site: house reef, Mandarin valley

IGI-065 Double spined urchin, Echinothrix calamaris

Echinothrix calamaris

Double spined urchin

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

IBA-336 Black diadema sea urchin, Echinothrix diadema

Echinothrix diadema

Black diadema sea urchin

Bali, Indonesia 2009
Dive site: Turtle neck (night dive)

IAM-146 Stinging sea urchin, Echinothrix calamaris

Echinothrix calamaris

Double spined urchin

Ambon, Indonesia 2010
house reef Maluku divers (night dive)

IB2-233 unidentified sea urchin, Echinothrix sp.

Echinothrix sp.

unidentified sea urchin

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

FAN-102 Echinothrix calamaris, Banded sea urchin

Echinothrix calamaris

Banded sea urchin

Anilao, the Philippines 2015
Dive site: house reef Portulano (night dive)

  Echinometridae
FCA-72 Sea urchin, Echinometra mathaei

Echinometra mathaei

Matha's sea urchin

Cabilao, Philippines 2005
Dive site: Lighthouse

FMI-213 Matha's sea urchin, Echinometra mathae

Echinometra mathaei

Matha's sea urchin

Cebu, the Philippines 2007
house reef Magic island (night dive)

IBA-093 Matha's sea urchin or Burrowing urchin, Echinometra mathaei

Echinometra mathaei

Matha's sea urchin/Burrowing urchin

Bali, Indonesia 2009
Dive site: Seraya

IB2-149 Matha's sea urchin or Burrowing urchin, Echinometra mathaei

Echinometra mathaei

Matha's sea urchin/Burrowing urchin

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

FM2-107 Matha's sea urchin, Echinometra mathae

Echinometra mathaei

Matha's sea urchin

Cebu, the Philippines 2012
house reef Magic Island (night dive)

EMA-130 Matha's sea urchin or Burrowing urchin, Echinometra mathaei

Echinometra mathaei

Matha's sea urchin

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

BON-151 Reef urchin, Echinometra viridis

Echinometra viridis

Reef urchin

Caribbean, Bonaire 2013
Windsock (night dive)

FAN-458 Echinometra mathaei, Rock-boring urchin

Echinometra mathaei

Rock-boring urchin

Anilao, the Philippines 2015
dive site: Seapipe (night dive)

FAN-296 Echinometra mathaei, Rock-boring urchin

Echinometra mathaei

Rock-boring urchin

Anilao, the Philippines 2015
dive site: Koala (night dive)

Slate pencil sea urchin, Heterocentrotus mammillatus

Heterocentrotus mamillatus

Slate pencil sea urchin

Wadi Lahami, Egypt 2002
Dive site: Torfa

  Toxopneustidae
BON-160 probably Variegated urchin, Lytechinus variegatus

Lytechinus variegatus (?)

probably Variegated urchin

Caribbean, Bonaire 2013
house reef Buddy (night dive)

BON-153 Jewel urchin, Lytechunus williamsi

Lytechinus williamsi

Jewel urchin

Caribbean, Bonaire 2013
Windsock (night dive)

IL3-280 Stained collector urchin, Pseudoboletia maculata

Pseudoboletia maculata

Stained collector urchin

Lembeh, Indonesia 2008
Dive site: Air prang (night dive)

IL4-202 Stained collector urchin, Pseudoboletia maculata

Pseudoboletia maculata

Stained collector urchin

Lembeh, Indonesia 2010
Dive site: Jarijari (night dive)

IL3-133 Poison claw sea urchin, Toxopneustes pileolus

Toxopneustes pileolus

Poison claw sea urchin

Lembeh, Indonesia 2008
Dive site: Air prang (night dive)

IL4-187 Poison claw sea urchin, Toxopneustes pileolus 1

Toxopneustes pileolus

Poison claw sea urchin

Lembeh, Indonesia 2010
Dive site: Tanduk rusa

IL4-034 Poison claw sea urchin, Toxopneustes pileolus 2

Toxopneustes pileolus

Poison claw sea urchin

Lembeh, Indonesia 2010
Dive site: Tanduk rusa

FM2-041 Flower urchin, Toxopneustes pileolus

Toxopneustes pileolus

Flower urchin

Cebu, the Philippines 2007
house reef Magic Island (night dive)

FAN-278 Toxopneustes pileolus, Flower urchin

Toxopneustes pileolus

Flower urchin

Anilao, the Philippines 2015
dive site: Secret bay

FAN-282 skeleton of Toxopneustes pileolus, Flower Urchin

Toxopneustes pileolus

Flower urchin

Anilao, the Philippines 2015
dive site: Secret bay

FAN-175 Toxopneustes pileolus, Flower Urchin 1

Toxopneustes pileolus

Flower urchin

Anilao, the Philippines 2015
dive site: Matu (night dive)

FAN-177 Toxopneustes pileolus, Flower Urchin 3

Toxopneustes pileolus

Flower urchin

Anilao, the Philippines 2015
dive site: Matu (night dive)

FAN-176 Toxopneustes pileolus, Flower Urchin 2

Toxopneustes pileolus

Flower urchin

Anilao, the Philippines 2015
dive site: Matu (night dive)

EDS-25 sea urchin, Tripneustes gratilla 2

Tripneustes gratilla

Collector or Sector sea urchin

Deep South, Egypt 2004
Dive site: Fury Shoal, Abu Galawa

EHA-15 sea urchin, Tripneustes gratilla 1

Tripneustes gratilla

Collector or Sector sea urchin

Hamata, Egypt 2007
Dive site: house reef Zabargad north

EHA-42 sea urchin, Tripneustes gratilla 2

Tripneustes gratilla

Collector or Sector sea urchin

Hamata, Egypt 2007
Dive site: house reef Zabargad north

FMI-236 Cake urchin, Tripneustes gratilla

Tripneustes gratilla

Cake urchin

Cebu, the Philippines 2007
house reef Magic island (night dive)

IAM-298 Cake sea urchin, Tripneustes gratilla

Tripneustes gratilla

Cake urchin

Ambon, Indonesia 2010
house reef Maluku divers (night dive)

IL4-244 Cake sea urchin, Tripneustes gratilla

Tripneustes gratilla

Cake urchin

Lembeh, Indonesia 2010
Dive site: Jahir (night dive)

FM2-101 Cake sea urchin, Tripneustes gratilla

Tripneustes gratilla

Cake urchin

Cebu, the Philippines 2012
house reef Magic island (night dive)

EMA-007 detail of a Collector sea urchin, Tripneustes gratilla

Tripneustes gratilla

Collector or Sector sea urchin

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

EMA-099 Collector sea urchin, Tripneustes gratilla 2

Tripneustes gratilla

Collector or Sector sea urchin

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

EMA-096 Collector sea urchin, Tripneustes gratilla 1

Tripneustes gratilla

Collector or Sector sea urchin

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

IRA-100 Cake sea urchin, Tripneustes gratilla

Tripneustes gratilla

Cake urchin

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

FAN-178 Tripneustes gratilla, Collector Urchin

Tripneustes gratilla

Collector urchin

Anilao, the Philippines 2015
dive site: Matu (night dive)

  Other urchins
EMA-013 Red Sea fire urchin, Asthenosoma marisrubi

Asthenosoma marisrubi

Red sea fire urchin

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

IL1-45, Zebracrab, Zebrida adamsii on Fire urchin, Astropyga sp.

Asthenosoma varium

Variable fire urchin

Puerto Galera, Philippines 2005
Dive site: Sabang wrecks

IBA-292 Fire urchin, Asthenosoma varium

Asthenosoma varium

Variable fire urchin

Bali, Indonesia 2009
Dive site: Seraya

FAN-136 Asthenosoma varium, Variable fire urchin

Asthenosoma varium

Variable fire urchin

Anilao, the Philippines 2015
dive site: Bethlehem

FMI-013 Jewel-case or Globular sea urchin, Mespilia globulus

Mespilia globulus

Jewel-case or Globular sea urchin

Cebu, the Philippines 2007
house reef Magic island (night dive)

IL1-54 Jewel-case sea urchin, Tripneustes gratilla

Mespilia globulus

Jewel-case or Globular sea urchin

Lembeh, Indonesia 2002
Dive site: Benteng

FM2-269 Jewel-case or Globular sea urchin, Mespilia globulus

Mespilia globulus

Jewel-case or Globular sea urchin

Cebu, the Philippines 2012
Dive site: Goby point (night dive)

EMA-050 Bald-patch urchin, Microcyphus rousseaui 1

Microcyphus rousseaui

Bald-patch urchin

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

EMA-194 Bald-patch urchin, Microcyphus rousseaui 2

Microcyphus rousseaui

Bald-patch urchin

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

FM2-226 Pohli's sea urchin, Parasalenia pohlii

Parasalenia pohlii

Pohli's sea urchin

Cebu, the Philippines 2012
house reef Magic island (night dive)

  Heart urchins & sand dollars
IH2-114 biscuit urchin, Clypeaster sp.

Clypeaster sp.

biscuit urchin

Halmahera, Indonesia 2014
Dive site: Airstrip (night dive)

FM2-211 Oval heart urchin, Eurypatagus ovalis

Eurypatagus ovalis

Oval heart urchin

Cebu, the Philippines 2012
house reef Magic Island (night dive)

FAN-289 Eurypatagus ovalis, heart urchin

Eurypatagus ovalis

Oval heart urchin

Anilao, the Philippines 2015
dive site: Koala (night dive)

IL2-021 Heart urchin, Lovenia elongata

Lovenia elongata

Elongate heart urchin

Lembeh, Indonesia 2006
Dive site: Teluk kembahu III

IL3-281 Elongate heart urchin, Lovenia elongata

Lovenia elongata

Elongate heart urchin

Lembeh, Indonesia 2008
Dive site: Tanduk rusa (night dive)

IAM-230 Elongate heart urchin, Lovenia elongata

Lovenia elongata

Elongate heart urchin

Ambon, Indonesia 2010
house reef Maluku divers (night dive)

IL5-126 undetermined heart urchin, family Spatangidae

family Spatangidae

undetermined heart urchin

Lembeh, Indonesia 2014
house reef Divers Lodge Lembeh (night dive)

FMI-050 Sand dollar, Maretia planulata

Maretia planulata

Fine-spined heart urchin

Cebu, the Philippines 2007
house reef Magic island (night dive)

IL4-270 Heart urchin, Maretia planulata

Maretia planulata

Fine-spined heart urchin

Lembeh, Indonesia 2010
Dive site: Madidir (night dive)

FM2-279 Heart urchin, Maretia planulata

Maretia planulata

Fine-spined heart urchins

Cebu, the Philippines 2012
Dive site: Goby point (night dive)

IB3-258_Maretia_planulata,_fine-spined_heart_urchin

Maretia planulata

Fine-spined heart urchin

Cebu, the Philippines 2012
Dive site: Goby point (night dive)

BON-129 Red heart urchin, Meoma ventricosa

Meoma ventricosa

Red heart urchin

Caribbean, Bonaire 2013
Dive site: Reef scientifico (night dive)

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IL5-072 Sea urchin crab, Dorippe frascone, carrying a sand dollar, Peronella sp.

Peronella sp.

sand dollar

Lembeh, Indonesia 2014
Dive site: Air prang (night dive)

IB3-029_Peronella_sp,_sand_dollars_1

Peronella sp.

sand dollars

Bali, Indonesia 2016
Dive site: Puri jati

IB3-247_Peronella_sp.,_sand_dollars_2

Peronella sp.

sand dollars

Bali, Indonesia 2016
Dive site: Puri jati

IB3-257_Peronella_sp,_sand_dollar_1

Peronella sp.

sand dollar

Bali, Indonesia 2016
Dive site: Puri jati

IB3-256_Peronella_sp,_sand_dollar_2

Peronella sp.

sand dollar

Bali, Indonesia 2016
Dive site: Puri jati

  FAN-451 unidetermined heart urchin

?

undetermined heart urchin

Anilao, the Philippines 2015
dive site: Seapipe (night dive)

FRO-042_skeleton_dead_sea_urchin

?

skeleton dead urchin

Romblon, the Philippines 2017
Dive site: Logbon inside

  Sea urchin hitch hikers

IAM-055 Brock's urchin shrimp, Allopontonia brockii on Fire urchin, Asthenosoma varium

Allopontonia iaini

?

on Asthenosoma varium

Ambon, Indonesia 2010
Dive site: Laha I / II

IAM-122 Zebracrab, Zebrida adamsii

Zebrida adamsii

Zebracrab

on Asthenosoma varium

Ambon, Indonesia 2010
Dive site: Laha I

IAM-244 Zebracrab, Zebrida adamsii

Zebrida adamsii

Zebracrab

on Asthenosoma varium

Ambon, Indonesia 2010
Dive site: Laha II

IL3-057 Coleman shrimp, Periclimenes colemani

Periclimenes colemani

Coleman shrimp

on Asthenosoma varium

Lembeh, Indonesia 2008
Dive site: Police pier II

IAM-121 Coleman shrimp, Periclimenes colemani

Periclimenes colemani

Coleman shrimp

on Asthenosoma varium

Ambon, Indonesia 2010
Dive site: Laha I

IL1-45, Zebracrab, Zebrida adamsii on Fire urchin, Astropyga sp.

Zebrida adamsii

juvenile Zebracrab

on Astropyga radiata

Lembeh, Indonesia 2002
Dive site: Jahir

IL2-034 Zebracrab, Zebrida adamsii on Fire urchin, Astropyga sp.

Zebrida adamsii

Zebracrab

on Astropyga radiata

Lembeh, Indonesia 2006
Dive site: Teluk kembahu III

  IBA-110 Sea urchin shrimp, Stegopontonia commensalis

Stegopontonia commensalis

Urchin shrimp

on Diadema setosum

Bali, Indonesia 2009
Dive site: Turtle neck

IAM-061 Urchin shrimp, Stegopontonia commensalis 1

Stegopontonia commensalis

Urchin shrimp

on Diadema setosum

Ambon, Indonesia 2010
Dive site: Laha I / II

FMI-162 Sea urchin crab, Echinoecus pentagonus

Echinoecus pentagonus

Sea urchin crab

on Echinothrix calamaris

Cebu, Philippines 2007
house reef Magic island (night dive)

IAM-305 juvenile Sea urchin crab, Echinoecus pentagonus

Echinoecus pentagonus

juvenile Sea urchin crab

on Echinothrix calamaris

Ambon, Indonesia 2010
Dive site: DJ point

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IL4-125 Zebracrab, Zebrida adamsii in Cake urchin, Tripneustes gratilla

Zebrida adamsii

Zebracrab

on Tripneustes gratilla

Lembeh, Indonesia 2010
Dive site: Hairball II

IL4-173 Zebracrab, Zebrida adamsii

Zebrida adamsii

Zebracrab

on Tripneustes gratilla

Lembeh, Indonesia 2010
Dive site: Teluk kembahu II

IL2-009 Zebracrab, Zebrida adamsii on Flower urchin, Toxopneustes pileolus

Zebrida adamsii

Zebracrab

on Toxopneustes pileolus

Lembeh, Indonesia 2006
Dive site: Kuda laut

  IL4-024 Emperor snapper, Lutjanus sebae, hiding in a Radiating hatpin urchin, Astropyga radiata

Lutjanus sebae

seeking protection with a

Astropyga radiata

Lembeh, Indonesia 2010
Dive site: Teluk kembahu II

IL4-055 Urchin clingfish, Diademichthys lineatus

Diademichthys lineatus

seeking protection with a

Diadema savignyi

Lembeh, Indonesia 2010
Dive site: Nudi falls (night dive)