Actinopteri (ray-finned fishes) > Gobiiformes
(Gobies) > Gobiidae
(Gobies) > Gobionellinae
Etymology: Gnatholepis: Greek, gnathos = jaw + Greek,lepis = scale (Ref. 45335); pascuensis: Named for its type locality, Easter Island. More on authors: Randall & Greenfield.
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 17 - 40 m (Ref. 82648), usually - m (Ref. ). Tropical; 0°C -
Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri
Southeast Pacific: Easter Island.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 4.4 cm SL male/unsexed; (Ref. 41653); 3.4 cm SL (female)
Morphology | Morphometrics
This species is rather small (up to 4.5 cm SL) with a distinctive colour pattern of two rows of five
elongate dense black blotches on side of body, the anteriormost three blotches are the largest, joined by faint broken yellowish brown lines in life; presence of a very broad black cheek-bar and broad black eye-stripe (both as wide as pupil) crossing interorbital space; body with ctenoid scales reaching rear corner of opercle, or to above pectoral fin base; nape midline scales always cycloid; presence of a few ctenoid scales on opercle; a distinct flap present at end of lower lip; pectoral fin rays 18-19 (Ref. 92171).
Collected near reef or rocky bottom in depths of 17-21 m (Ref. 41653).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Randall, J.E. and D.W. Greenfield, 2001. A preliminary review of the Indo-Pacific gobiid fishes of the genus Gnatholepis. Ichthyological Bulletin of the J.L.B. Smith Institute of Ichthyology, 69:1-17. (Ref. 41653)
IUCN Red List Status (Ref. 124695)
Threat to humans
CountriesFAO areasEcosystemsOccurrencesIntroductionsStocksEcologyDietFood itemsFood consumptionRation
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00444 - 0.02358), b=3.05 (2.86 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.3 ±0.5 se; based on size and trophs of closest relatives
Resilience (Ref. 120179
): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153
): Low vulnerability (11 of 100) .