Family : Blenniidae (Combtooth blennies)
Order : Perciformes  (perch-likes)
Class : Actinopterygii (ray-finned fishes)
Fishbase Name : Rippled rockskipper
Fish Name : Istiblennius edentulus
Max size : 16.0 cm TL (male/unsexed; Ref. 48636); 13.2 cm SL (female)
Environment : reef-associated ; depth range 0 - 5 m
Climate : tropical; 32°N - 32°S
Global Importance : fisheries: of no interest; aquarium: commercial
Resilience: High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)Distribution : Indo-Pacific: Red Sea and East Africa to the Line, Marquesan, and Tuamoto islands, north to southern Japan, south to Lord Howe and Rapa.
Diagnosis : Dorsal spines (total): 12-13; Dorsal soft rays (total): 19-21; Anal spines: 2-2; Anal soft rays: 21-23. Males darkly dusky with 5-6 pairs of bands on body and pale stripes on dorsal fin; develop a crest. Females paler in color, bands broken into spots posteriorly, dorsal fin spotted (Ref. 4404).
Biology : Intertidal (Ref. 31184, 48636). Common in areas with large rubble pieces which are often used to built breakwaters or to support jetty-pylons (Ref. 48636). Hides in cracks or holes when not feeding. Adults jump out of the water in energetic skippings to another pool when pursued (Ref. 2158, 48636). May remain out of water under rocks or seaweeds (Ref. 31184). They breathe air when out of water (Ref. 31184). Oviparous (Ref. 205). Eggs are demersal and adhesive (Ref. 205)
Threatened : Dangerous:  
Dangerous : harmless
Coordinator : Williams, Jeffrey T.
Main Ref : Springer, V.G. and J.T. Williams. 1994. (Ref. 9962)

India country information
Common Names : കക്കാടന്, കാക്കടന് , Digu-funna, Kakkadan, Kattu
Status : native
Salinity : marine
Uses : no uses