Echinothrix calamaris information

Echinothrix calamaris, known commonly as the banded sea urchin or double spined urchin among other vernacular names, is a species of sea urchin in the...

E. diadema and E. calamaris. These can be distinguished by the fact that E. diadema has fully black spines whereas E. calamaris has striped spines....

closed at the tip; the anal sac is small and dark. It differs from Echinothrix calamaris in that the spines are not banded, except in juveniles, and that...

coronata (Verrill, 1867), extant Echinothrix Peters, 1853 Echinothrix calamaris (Pallas, 1774), extant Echinothrix diadema (Linnaeus, 1758), extant Eodiadema...

lives in the rectum of a sea urchin. In Hawaii, it chooses only Echinothrix calamaris, leaving few of these urchins unpopulated. Its curved and pointed...

to Hawaii and French Polynesia, on Diadema savignyi, D. setosum, Echinothrix calamaris and E. diadema (Diadematidae), Heterocentrotus mammillatus (Echinometridae)...

appears to be somewhat active in comparison to other urchins like Echinothrix calamaris, Echinometra mathaei, and Echinometra oblonga. H. mammillatus was...

Diadema setosum Facultative Eastern Indian Echinodermata Diadematidae Echinothrix calamaris Facultative Eastern Indian Echinodermata Echinasteridae Echinaster...

tenuispinus Diadema savignyi Diadema setosum (long-spined sea urchin) Echinothrix calamaris (double spined urchin) Amblypneustes pallidus Holopneustes porosissimus...

long-spined sea urchins like Diadema setosum, Diadema savignyi, and Echinothrix calamaris. Brittle stars of the genus Ophiomastix as well as shelled gastropods...

imperialis Astropyga radiata Diadema savignyi Diadema setosum Echinothrix calamaris Echinothrix diadema Stomopneustes variolaris Echinometra ex Echinostrephus...

1829) Needle urchin Diadema setosum (Leske, 1778) Needle urchin Echinothrix calamaris (Pallas, 1774) Banded urchin Tetrapygus niger (Molina, 1782) Black...