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Fingered
dragonet
Dactylopus dactylopus
Family Callionymidae
updated
May 11
Where
seen? This
little curious fish with a flag on its back was seen on Cyrene Reef.
Elsewhere, they are considered common on shallow mud-sand flats, especially
among seagrasses. They are usually buried during the day. Juveniles
usually seen alone, adults may be seen in small groups.
Features: To 18cm. A portion of the dorsal fin is large
and flag-like, which can be raised like a finger. It is identified
by the pelvic fins which are fan-like with the first ray detached
from the rest of the fin. Body cylindrical and not very flat, pale
with brown saddles which have bright bluish spots. Head broad and
flat with a narrow pointed mouth so that the head appears triangular
when seen from above. Fins dark, anal fins with bright blue spots.
Juveniles have proportionally taller dorsal fins with a prominent
yellow edged eye-spot on the first dorsal fin.
Sometimes mistaken for flatheads
(Family Platycephalidae). Here's more on how
to tell apart fish with flat heads.
What does it eat? It feeds on
molluscs, worms and crustaceans.
Human uses: May be eaten locally. |

Cyrene Reef, May 11

Photo shared by Loh Kok Sheng on his
blog.
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Cyrene Reef, May 11
Photo shared by Rene Ong on facebook.
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Cyrene Reef, May 11
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Photo shared by Loh Kok Sheng on his
blog.
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First ray detached from fan-like pelvic fins.
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Photo shared by Loh Kok Sheng on his
blog.
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