Actinopteri (ray-finned fishes) > Blenniiformes
(Blennies) > Tripterygiidae
(Triplefin blennies) > Tripterygiinae
Etymology: Enneapterygius: Greek, ennea = nine times + Greek, pterygion = little fin (Ref. 45335); niue: Named for the friendly people and magnificent culture of the stunning island of Niue; noun in apposition.
Environment: milieu / climate zone / depth range / distribution range
Marine; reef-associated. Tropical
Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri
Southwestern Pacific Ocean: Niue and Samoa.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 2.0 cm SL male/unsexed; (Ref. 114928); 2.4 cm SL (female)
Morphology | Morphometrics
(total): 16 - 18;
soft rays: 19 - 21. This medium-sized species of barred Enneapterygius is distinguished by the following characters: D2 XIII-XV; A 18-20; lateral-line scales 14-19 + 16-20; total lateral scale rows 33-36; proportional measurements in thousandths of SL - eye diameter 94-128, preorbital 50-75, body depth 176-206, preanal fin length 483-538; sides of body with two short and five complete bars; pectoral-fin base has a vertical dark bar; preorbital with an oblique dark band; dorsal fins are pale except for a dusky base; anal fin is dark grey in male and with four oblique brown bands in female; pelvic fins are white, caudal fin pale (Ref. 114928).
Inhabits the intertidal and shallow coral-reef habitats (Ref. 114928).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Fricke, R. and M.V. Erdmann, 2017. Enneapterygius niue, a new species of triplefin from Niue and Samoa, southwestern Pacific Ocean (Teleostei: Tripterygiidae). J. Ocean Sci. Found. 25:14-32. (Ref. 114928)
IUCN Red List Status (Ref. 123251)
CITES (Ref. 123416)
Threat to humans
CountriesFAO areasEcosystemsOccurrencesIntroductionsStocksEcologyDietFood itemsFood consumptionRation
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningSpawning aggregationFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Phylogenetic diversity index (Ref. 82805
= 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00550 (0.00246 - 0.01227), b=3.08 (2.89 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.1 ±0.3 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 (10 of 100) .