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The mimic blenny (Aspidontus taeniatus) mimics the color and even the movements of the blue-streak cleaner wrasse Labroides dimidiatus. However, instead of cleaning parasites from the larger fish the mimic blenny bites off a tender chunk of scales and flesh, and then beats a hasty retreat.

Dartfishes. One group the diver will notice, because of their striking colors and their habit of hovering in small groups above the coral sand, are. the firefishes (Nemateleotris: spp particularly N. magnifica, a beautiful fish with a greatly, elongated dorsal fin which it flicks in nervous little movements.

Gobies. These fish (family Gobiidar) are small usually dull-colored, and often remain hidden In crevices and the branches of coral. There are many hundreds of species and perhaps 100 genera in the Indo-Pacific: making them the single most successful family on the coral reefs. Identifying these fishes is very difficult, and there are probably hundreds still undescribed.

Although not reef-dwellers, the curious mudskippers (Periophthalmus), which can be found In Indonesia on the brackish mudflats around mangrove swamps are also gobies As long as their gills and skin remain wet, these small brown fish can hop about on land.