Praealticus oortii (Bleeker, 1851)
Java rockskipper

Family:  Blenniidae (Combtooth blennies), subfamily: Salariinae
Max. size:  6 cm TL (male/unsexed)
Environment:  demersal; marine
Distribution:  Western Central Pacific.
Diagnosis:  Dorsal spines (total): 13-13; Dorsal soft rays (total): 17-19; Anal spines: 2-2; Anal soft rays: 19-21. Color in life unknown. Preserved specimen with vertically elongate blotch behind eye; ca. 10 bifurcate bars on body and dark spots on anterior body. Dorsal fin deeply notched; segmented caudal rays typically 13-14, middle 2-8 (typically 5-8)branched; supraorbital tentacle pinnately branched; nape cirri absent; posterior rim of anterior nostril with small cirrus (typically unbranched); upper lip margin laterally crenulate; males with occipital crest; last dorsal ray and caudal peduncle connected by membrane; body elongate, depth at anal-fin origin ca. 7.0 in SL. Maximum length, 6 cm TL (Ref. 90102).
Biology:  Adults inhabit rocky shores (Ref. 90102). 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).
IUCN Red List Status: Least Concern (LC); Date assessed: 27 March 2009 Ref. (130435)
Threat to humans:  harmless


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