Nearly identical in appearance, the common longnose butterfly has a much shorter mouth than the big longnose butterflyfish. Their beaklike mouths are used to probe corals and reef crevices in ...

Read about different competitive relationships on the reef. The bottlenose dolphin ... For instance, neither parrotfish (Scarus spp.) nor their butterflyfish competitors have evolved effective ...

Saddled butterflyfish (Chaetodon ephippium ... the smallscale scorpionfish (Scorpaenopsis oxycephala), closely resembles the reef's rocky, algae- and coral-encrusted bottom, where it lies in ...