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The Ambon Scorpionfish (Pteroidichthys<br />
amboinensis) is very similar to the Weedy<br />
Scorpionfish (Rhinopias frondosa) shown in<br />
the photos above and on page 116, bottom<br />
left. Both species protrude their mouths in the<br />
same way in order to enlarge the mouth cavity<br />
and suck in prey with a jerk. The two species<br />
are most easily distinguished by the difference<br />
in head shape.<br />
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cal head shape and have a huge mouth<br />
opening that permits them to suck in and<br />
swallow surprisingly large prey items. The<br />
body is usually irregularly spotted, and<br />
the numerous fringe-like appendages of<br />
skin break up its contours and allow the<br />
fish to merge into its surroundings, hiding<br />
it from its prey and its predators alike.<br />
HABITAT<br />
These predators are regularly found lurking,<br />
fully exposed, on the sandy bottom,<br />
on the hard substrate of the reef, or on<br />
corals. The large eyes keep the surrounding<br />
area under constant surveillance<br />
while the fish remains completely immobile,<br />
waiting for incautious prey—small<br />
fishes, crustaceans, or cephalopods—to<br />
come close enough for the scorpionfish<br />
to snap up and swallow them.<br />
REFERENCES<br />
Debelius, H. and R. Kuiter. 2006. World Atlas<br />
of Marine Fishes. Hollywood Import & Export/<br />
www.amazon.com<br />
Lieske, E. and R.F. Myers. 2000. Coral Reef<br />
Fishes. Princeton University Press, Princeton,<br />
New Jersey..<br />
Michael, S.W. 1998. Reef Fishes, Volume One.<br />
Microcosm/TFH, Neptune City, New Jersey.<br />
118 CORAL
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