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Phylum Chordata > Subphylum Vertebrate > fishes
Photo index of fishes on Singapore shores
Globular and boxy fishes, and fishes that look like stones


Milk-spotted pufferfish
Chelonodon patoca

Spotted green pufferfish
Tetraodon nigroviridis

Yellow eye pufferfish
Arothron immaculatus

Longnosed stargazer
Ichthyscopus lebeck

Three-spined toadfish
Batrochomeous trispinosus
8-12cm, grows to 30cm. Smooth body. When uninflated, oval shaped. Coral rubble near reefs. Sometimes seen on some of our shores. 3-6cm, grows to 14cm. A green back with black spots. The tail fin has dark bars. Sometimes seen in our mangroves. 8-10cm. Body plain without markings, tail fin yellowish with a dark brown rim. Sometimes, the eyes are yellow. Living reefs and seagrasses. Sometimes seen on our Southern shores. 15-30cm. Smooth body. Eyes and mouth at the top of the head facing upwards. Entire fish usually buried in sandy areas near seagrasses. Sometimes seen on our Northern shores. 10-20cm, grows to 30cm. Round head, small body, well camouflaged. Under stones and among coral rubble. Common on many of our shores.

Spotted-tail frogfish
Lophiocharon trisignatus

Black frogfish
awaiting identification

Yellow boxfish
Ostracion cubicus

Shortnose boxfish
Ostracion nasus

Longhorn cowfish
Lactoria cornuta
6-10cm to 18cm. Globular body, well camouflaged. Pelvin fins with 'elbows' and ends in graping 'hands'. Slow moving. Coral rubble and reefs. Sometimes seen on some of our Southern shores. 6-10cm. Globular body, all black with pale lure and pale edges on fins and tail. Coral rubble and reefs. Sometimes seen on some of our Southern shores. 4cm, to 45cm. Cubical body, yellow without horns. Among seagrasses. Seen once on Pulau Sekudu. To 30 cm. Cubical body, without horns. Hexagonal body pattern with brown spots. Seen once on Cyrene Reefs. 10cm, grows to 40cm. Boxy body, a pair of 'horns' above the eyes. Among seagrassess. Sometimes seen on some of our shores.

Longspined scorpionfish
Paracentropogon longispinis

Painted scorpionfish
Parascorpaena picta

False scorpionfish
Centrogenys vaigiensis

False stonefish
Scorpaenopsis diabolus

Hollow-cheeked stonefish
Synanceia horrida
5-7cm. Dorsal fin begins above eyes and dorsal fin membranes are incised. A pair of large backward pointing spines above mouth. Coral rubble and seagrasses. Commonly seen on many of our shores. 10cm, grows to 17cm. Has a pair of small spines on the upper jaw in front of the eyes that curves forward. Coral rubble. Sometimes seen on some of our shores. 4-10cm, grows to 15cm. Head has no spines, fringed flaps over nostrils. It is NOT a scorpionfish and belongs to the Family Serranidae which includes groupers. Coral rubble. Commonly seen on some of our shores. 15-30cm. Small eyes, tiny depression near the eyes, horizontal mouth. Coral rubble. Sometimes seen on some of our shores. 15-20cm, grows to 30-40cm. A bony ridge between the small eyes, hollow 'cheeks', downturned mouth, stout dorsal spines. Coral rubble. Sometimes seen on our Southern shores. HIGHLY DANGEROUS.

how to tell apart fishes that look like stones
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photo index of
fishes on this site
all fishes

typical fish-shape

  small < 5cm
medium 5-10cm
large > 10cm

globular
round, ball-like

flattened fishes
flattened downwards
  sting rays
others

disk-shaped
flattened sideways

long
  eel-, worm-like
stick-like

others

  mudskippers
odd shaped
living w others
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