Blenniella cyanostigma (Bleeker, 1849)
Striped rockskipper
Blenniella cyanostigma
photo by Wirtz, P.

Family:  Blenniidae (Combtooth blennies), subfamily: Salariinae
Max. size:  8.1 cm SL (male/unsexed); 6 cm SL (female)
Environment:  reef-associated; marine
Distribution:  Indian Ocean: essentially restricted from African east coast to the west coast of Sumatra, and extending to Java and Bali.
Diagnosis:  Dorsal spines (total): 12-14; Dorsal soft rays (total): 19-22; Anal spines: 2-2; Anal soft rays: 19-22; Vertebrae: 38-40. Diagnosis: Dorsal fin XII to XIV, 19 to 22, notched between spinous and segmented-ray portions; anal fin II, 19-22; pectoral rays 13-15 (usually 14); pelvic fin I, 3; caudal fin procurrent rays 10-14, segmented rays 13. Vertebrae 11-12 + 27-29. Last pleural rib on 12-13th vertebrae. Orbital cirrus simple filamentous; nasal cirri short and simple to palmate with 2-6 branches; nape without cirri. Lateral line, continuous anterodorsally below dorsal spine 6-7th to 9-10th, disconnected posteroventrally up to below dorsal spine 12-13th. Mandibular pores 4-6. Lips margin entire. Occipital crest present, higher in males (Ref. 9962). Body depth at anal-fin origin 5.6-6.1 in SL (Ref. 90102). Males with dusky bands on body, each band with a vertical pair of oblong spots; dark spot behind eye and opercle (Ref. 4404). Females with faintly dusky bands on body overlain by dark lines that break up into dashes at posterior portion; dark spots on median fins (Ref. 4404).
Biology:  Oviparous. Eggs are demersal and adhesive (Ref. 205), and are attached to the substrate via a filamentous, adhesive pad or pedestal (Ref. 94114). Larvae are planktonic, often found in shallow, coastal waters (Ref. 94114). Common length: females usually less than 5.5 cm, males usually more than 6.0 cm in SL (Ref. 9962).
IUCN Red List Status: Least Concern (LC); Date assessed: 24 March 2009 Ref. (130435)
Threat to humans:  harmless
Country info:  With an Indonesian distribution from Bali to Sumatra (Ref. 47567). Museum: Benkoelen, Sumatra, USNM 88017, 143783. Padang, ANSP 27807 (holotype of Entomacrodus calurus); CAS-SU 8061. Java, BMNH 1845.6.22.196 (lectotype of Salarias fronto). Pagotang, RMNH 4794 (lectotype of Salarias cyanostigma). Triperwageram, USNM 72728. Also collected from Tanah Lot in Bali and is part of the collection of H. Bath. Also Ref. 1602, 90102.


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