swap_horiz Diadema clarki Alternatives

1

Long-Spined Sea Urchin (Diadema antillarum)

The long-spined sea urchin (Diadema antillarum) is a species of echinoderm found in the shallow waters of the Caribbean...

Reef Caribbean Venomous Long Spined

9.4 Excellent

2

Diadema setosum

Diadema setosum is a regular sea-urchin belonging to the Diadematidae family. This extant Indo-Pacific species is notabl...

Extant Indo Pacific Regular Diadematidae

9.0 Excellent

3

Fire Urchin

The fire urchin is the Indo-Pacific sea urchin Asthenosoma varium. It has a flexible body and vividly colored spines, of...

Venomous Indo Pacific Deep Asthenosoma Varium

8.8 Great

4

Diadema savignyi

Diadema savignyi is a regular sea urchin belonging to the Diadematidae family and found throughout the Indo-Pacific regi...

Extant Indo Pacific Regular Diadematidae

8.7 Great

5

Astropyga radiata

Astropyga radiata is a regular sea-urchin belonging to the Diadematidae family. This extant Indo-Pacific species is nota...

Extant Indo Pacific Regular Diadematidae

8.6 Great

6

Banded Urchin (Echinothrix calamaris)

The banded urchin (Echinothrix calamaris) is a species of tropical sea urchin found in coral reef environments across th...

Reef Venomous Indo Pacific Banded Spines

8.5 Great

7

Long-Spined Sea Urchin (Centrostephanus rodgersii)

The long-spined sea urchin (Centrostephanus rodgersii) is a large diadematid echinoid found on rocky reefs along southea...

Australia Invasive Barrens Long Spined

8.4 Great

8

Blue-Black Urchin (Echinothrix diadema)

The blue-black urchin (Echinothrix diadema) is a species of sea urchin found throughout the Indo-Pacific region's coral...

Reef Venomous Indo Pacific Long Spined

8.3 Great

9

Diadema africanum

Diadema africanum is a species of long-spined sea urchin in the family Diadematidae, first described in 2006 following t...

Reef East Atlantic Canaries Long Spined

8.0 Great

10

Conolampas sigsbei

Conolampas sigsbei is a species of irregular sea urchin classified in the order Cassiduloida and the family Echinolampad...

Rare Caribbean Irregular Deep

7.0 Good

11

Hesperocidaris panamensis

Hesperocidaris panamensis is a pencil urchin native to the eastern Pacific Ocean, distinguished by its thick primary spi...

Rare Eastern Pacific Deep Cidaroida

6.9 Fair

12

Paleopneustes cristatus

Paleopneustes cristatus is a species of sea urchin in the family Paleopneustidae and the order Spatangoida. It is a deep...

Rare Atlantic Deep Heart Urchin

6.8 Fair

13

Centrostephanus nitidus

Centrostephanus nitidus is a sea urchin in the family Diadematidae, named for its smooth, glossy appearance and primaril...

Extant Deep Regular Diadematidae

6.7 Fair

14

Pericosmus cordiformis

Pericosmus cordiformis is a heart urchin in the family Pericosmidae, named for its characteristically heart-shaped test...

Sandy Indo Pacific Deep Heart Urchin

6.5 Fair

15

Plesiodiadema indicum

Plesiodiadema indicum is a species of deep-sea diadematid sea urchin recorded from the Indian Ocean. It belongs to a gro...

Rare Indian Ocean Deep Diadematoida

6.4 Fair

16

Rhynobrissus cuneus

Rhynobrissus cuneus is a rare irregular sea urchin in the family Brissidae and order Spatangoida, a group commonly calle...

Indo Pacific Deep Heart Urchin Spatangoida

6.4 Fair

17

Psychocidaris ohshimai

Psychocidaris ohshimai is a cidaroid sea urchin described from the western Pacific Ocean. It is associated with Japan an...

Japan Rare Northwest Pacific Deep

6.3 Fair

18

Caenopedina africana

Caenopedina africana is a deep-water sea urchin of the family Pedinidae, notable for its occurrence in the marine waters...

Rare Primitive East Atlantic Deep

6.0 Fair

19

Chaetodiadema granulatum

Chaetodiadema granulatum is a species of echinoid belonging to the family Diadematidae, distinguished by the granular te...

Extant Deep Regular Diadematidae

5.9 Mediocre

20

Chaetodiadema tuberculatum

Chaetodiadema tuberculatum is a deep-sea echinoid of the Diadematidae family, characterized by the distinct tubercles pr...

Extant Deep Regular Diadematidae

5.8 Mediocre