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Phylum Mollusca > Class Cephalopoda
Photo index of cephalopods on Singapore shores
octopuses, squids and cuttlefishes

Two-spot octopus
awaiting identification

Smooth headed octopus
awaiting identification

Octopus
awaiting identification
   
Head about 5-8cm long, arms may be 15-30cm long. Arms tapering. Webbing extends to about half their arm's length. Coral rubble and reefs. Commonly seen on our Southern shores. Head about 12cm long, arms may be 15-20cm long. The head is smooth and oval, and relatively large compared to the arms. Arms tapering, webbing not very extensive. Seagrasses. Frequently seen, but only on Changi so far. Head about 2cm long, arms about 10cm long. Maroon background with tiny white spots all over. Seen once on Beting Bronok.    

Pencil squids
Family Loliginidae

Bobtail squids
Family Sepiolidae

Pygmy squids
Idiosepius
sp.
   
8-12cm long. Body more slender. Seagrasses, coral rubble and reefs. Sometimes seen on our Southern shores.
3-6cm. Small body spherical with a pair of rounded fins. Seagrasses. Sometimes seen on our Northern shores. 1-2cm. Tiny adults. Seagrasses, also near rubble. Commonly seen on many of our shores.    

Glittering cuttlefishes
Sepiella inermis

Banded three-spot cuttlefish
awaiting identification

Frog cuttlefish
awaiting identification
   
8-13cm long. 8-9 iridescent gold spots along each side of the body. Sometimes, a white band between the eyes across the head, and a large pale band across the middle of the body. Seagrasses. Sometimes seen on our Northern shores. 4-6cm long. Three bands and a triangle of white dotted circles. Seagrasses. Sometimes seen on our Northern shores. 10-12cm long. An iridescent line along the edge where the fins join the body. Croaks like a frog when disturbed. Coral rubble. Seen once at Chek Jawa.    
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Phylum Mollusca
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Class Cephalopoda
all octopuses, squids and cuttlefishes
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