Actinopterygii (ray-finned fishes) > Perciformes
(Perch-likes) > Blenniidae
(Combtooth blennies) > Blenniinae
Etymology: Petroscirtes: Latin, petra, -ae = stone + Greek, skirteo = to jump. More on author: Jordan, Seale.
Environment / Climate / Range
Marine; reef-associated; depth range 1 - 5 m (Ref. 90102). Tropical; 16°N - 24°S
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.5 cm TL male/unsexed; (Ref. 90102)
(total): 10 - 11;
(total): 14-16. Has a tall dorsal fin and small tufts below the chin (Ref. 48636). Resembles P. thepassii and P. variabilis but usually has fewer total dorsal fin elements (Ref. 37816).
Indo-Pacific: East Africa to the Line and Society Islands, north to Mariana Islands, south to the southern Great Barrier Reef; throughout Micronesia. Likely at Seychelles (Ref. 1623).
Occurs solitary (Ref. 90102) usually sandy areas of reef flats and shallow lagoons. Nests in empty mollusk shells. Small juveniles were found below the upside-down jelly Cassiopea that moves over sandy substrates and provided safe travel (Ref. 48636). Oviparous (Ref. 205). Nests in empty mollusk shells (Ref. 1602). Eggs are demersal and adhesive (Ref. 205).
Myers, R.F., 1991. Micronesian reef fishes. Second Ed. Coral Graphics, Barrigada, Guam. 298 p.
IUCN Red List Status (Ref. 90363)
Threat to humans
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
CollaboratorsPicturesStamps, CoinsSoundsCiguateraSpeedSwim. typeGill areaOtolithsBrainsVision
Estimates of some properties based on empirical models
Phylogenetic diversity index (Ref. 82805
= 0.5005 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00150 - 0.00963), b=3.15 (2.93 - 3.37), based on LWR estimates for this Subfamily-BS (Ref. 93245
Trophic Level (Ref. 69278
): 2.4 ±0.1 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (15 of 100) .