1. The islands of the Far Northern and the Northern islands include a large
component of species from the Indo-Pacific and Panamá, with no endemic
species. Species associated with warmer waters and coral environments are
Fig. 6.3 Common echinoderms off the mainland and at the Galápagos Islands, Ecuador.
a Isostichopus fuscus (Ludwig, 1875), b Eucidaris galapagensis Döderlein, 1887, c Lytechinus
semituberculatus (Agassiz and Desor, 1846), d Tripneustes depressus A. Agassiz, 1863,
e Diadema mexicanum A. Agassiz, 1863, f Toxopneustes roseus (A. Agassiz, 1863), g Astropyga
pulvinata (Lamarck, 1816), h Pharia pyramidata (Gray, 1840), i–j Phataria unifascialis (Gray,
1840), k Nidorellia armata (Gray, 1840), l Pentaceraster cumingi (Gray, 1840). Photos by: J.
Sonnenholzner (a–b); Charles Darwin Foundation (c); and J.C. Navarro Gómez (d–l). Note that
photos are not to scale
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component of species from the Indo-Pacific and Panamá, with no endemic
species. Species associated with warmer waters and coral environments are
Fig. 6.3 Common echinoderms off the mainland and at the Galápagos Islands, Ecuador.
a Isostichopus fuscus (Ludwig, 1875), b Eucidaris galapagensis Döderlein, 1887, c Lytechinus
semituberculatus (Agassiz and Desor, 1846), d Tripneustes depressus A. Agassiz, 1863,
e Diadema mexicanum A. Agassiz, 1863, f Toxopneustes roseus (A. Agassiz, 1863), g Astropyga
pulvinata (Lamarck, 1816), h Pharia pyramidata (Gray, 1840), i–j Phataria unifascialis (Gray,
1840), k Nidorellia armata (Gray, 1840), l Pentaceraster cumingi (Gray, 1840). Photos by: J.
Sonnenholzner (a–b); Charles Darwin Foundation (c); and J.C. Navarro Gómez (d–l). Note that
photos are not to scale
6 Echinoderms of Ecuador
193