510 The Blennies: Blenniidze 
rock-pools and others, often deep blue in color, abound in the 
coral reefs of Polynesia. 
The rock-skippers (Sularias, Alticus, etc.) are herbiv- 
orous, with serrated teeth set loosely in the jaws. These live 
in the rock-pools of the tropics and leap from rock to rock when 
disturbed with the agility of lizards. They are dusky or gray 
in color with handsome markings. One of them, Erpichthys or 
Alticus saliens in Samoa, lives about lava rocks between tide- 
Lain 
Fie. 452.—Emblemaria atlantica Jordan. Pensacola, Fla. 
marks, and at low tide remains on the rocks, over which it runs 
with the greatest ease and with much speed, its movements 
being precisely like those of Periophthalmus. As in the species 
of the latter genus, otherwise wholly different, this Alticus 
has short ventral fins padded with muscle. 
Fia. 453.—Scartichthys enosime Jordan & Snyder, a fish of the rock-pools of the 
sacred island of Enoshima, Japan. Family Blennitde. 
Erpichthys atlanticus is found in abundance on both coasts 
of tropical America. Many species abound in Polynesia and 
in both Indies. Salarias enosime lives in the clefts of lava 
